Table of contents for issues of Scientific American

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Volume 242, Number 1, January, 1980
Volume 242, Number 2, February, 1980
Volume 242, Number 3, March, 1980
Volume 242, Number 4, April, 1980
Volume 242, Number 5, May, 1980
Volume 242, Number 6, June, 1980
Volume 243, Number 1, July, 1980
Volume 243, Number 2, August, 1980
Volume 243, Number 3, September, 1980
Volume 243, Number 4, October, 1980
Volume 243, Number 5, November, 1980
Volume 243, Number 6, December, 1980
Volume 244, Number 1, January, 1981
Volume 244, Number 2, February, 1981
Volume 244, Number 3, March, 1981
Volume 244, Number 4, April, 1981
Volume 244, Number 5, May, 1981
Volume 244, Number 6, June, 1981
Volume 245, Number 1, July, 1981
Volume 245, Number 2, August, 1981
Volume 245, Number 3, September, 1981
Volume 245, Number 4, October, 1981
Volume 245, Number 5, November, 1981
Volume 245, Number 6, December, 1981
Volume 246, Number 1, January, 1982
Volume 246, Number 2, February, 1982
Volume 246, Number 3, March, 1982
Volume 246, Number 4, April, 1982
Volume 246, Number 5, May, 1982
Volume 246, Number 6, June, 1982
Volume 247, Number 1, July, 1982
Volume 247, Number 2, August, 1982
Volume 247, Number 3, September, 1982
Volume 247, Number 4, October, 1982
Volume 247, Number 5, November, 1982
Volume 247, Number 6, December, 1982
Volume 248, Number 1, January, 1983
Volume 248, Number 2, February, 1983
Volume 248, Number 3, March, 1983
Volume 248, Number 4, April, 1983
Volume 248, Number 5, May, 1983
Volume 248, Number 6, June, 1983
Volume 249, Number 1, July, 1983
Volume 249, Number 2, August, 1983
Volume 249, Number 3, September, 1983
Volume 249, Number 4, October, 1983
Volume 249, Number 5, November, 1983
Volume 249, Number 6, December, 1983
Volume 250, Number 1, January, 1984
Volume 250, Number 2, February, 1984
Volume 250, Number 3, March, 1984
Volume 250, Number 4, April, 1984
Volume 250, Number 5, May, 1984
Volume 250, Number 6, June, 1984
Volume 251, Number 1, July, 1984
Volume 251, Number 2, August, 1984
Volume 251, Number 3, September, 1984
Volume 251, Number 4, October, 1984
Volume 251, Number 5, November, 1984
Volume 251, Number 6, December, 1984
Volume 252, Number 1, January, 1985
Volume 252, Number 2, February, 1985
Volume 252, Number 3, March, 1985
Volume 252, Number 4, April, 1985
Volume 252, Number 5, May, 1985
Volume 252, Number 6, June, 1985
Volume 253, Number 1, July, 1985
Volume 253, Number 2, August, 1985
Volume 253, Number 3, September, 1985
Volume 253, Number 4, October, 1985
Volume 253, Number 5, November, 1985
Volume 253, Number 6, December, 1985
Volume 254, Number 1, January, 1986
Volume 254, Number 2, February, 1986
Volume 254, Number 3, March, 1986
Volume 254, Number 4, April, 1986
Volume 254, Number 5, May, 1986
Volume 254, Number 6, June, 1986
Volume 255, Number 1, July, 1986
Volume 255, Number 2, August, 1986
Volume 255, Number 3, September, 1986
Volume 255, Number 4, October, 1986
Volume 255, Number 5, November, 1986
Volume 255, Number 6, December, 1986
Volume 256, Number 1, January, 1987
Volume 256, Number 2, February, 1987
Volume 256, Number 3, March, 1987
Volume 256, Number 4, April, 1987
Volume 256, Number 5, May, 1987
Volume 256, Number 6, June, 1987
Volume 257, Number 1, July, 1987
Volume 257, Number 2, August, 1987
Volume 257, Number 3, September, 1987
Volume 257, Number 4, October, 1987
Volume 257, Number 5, November, 1987
Volume 257, Number 6, December, 1987
Volume 258, Number 1, January, 1988
Volume 258, Number 2, February, 1988
Volume 258, Number 3, March, 1988
Volume 258, Number 4, April, 1988
Volume 258, Number 5, May, 1988
Volume 258, Number 6, June, 1988
Volume 258, Number 8, August, 1988
Volume 259, Number 1, July, 1988
Volume 259, Number 2, August, 1988
Volume 259, Number 3, September, 1988
Volume 259, Number 4, October, 1988
Volume 259, Number 5, November, 1988
Volume 259, Number 6, December, 1988
Volume 260, Number 1, January, 1989
Volume 260, Number 2, February, 1989
Volume 260, Number 3, March, 1989
Volume 260, Number 4, April, 1989
Volume 260, Number 5, May, 1989
Volume 260, Number 6, June, 1989
Volume 261, Number 1, July, 1989
Volume 261, Number 2, August, 1989
Volume 261, Number 3, September, 1989
Volume 261, Number 4, October, 1989
Volume 261, Number 5, November, 1989
Volume 261, Number 6, December, 1989
Volume 223, Number 4, October, 1970
Volume ????, Number 6, 1984
Volume 1, Number 3, 1987


Scientific American
Volume 242, Number 1, January, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 15--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--20
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 22--32
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 34--40
               Robert R. Wilson   The Next Generation of Particle
                                  Accelerators . . . . . . . . . . . . . . 42--57
               Leonard Hayflick   The Cell Biology of Human Aging  . . . . 58--65
        Kenneth S. Deffeyes and   
               Ian D. MacGregor   World Uranium Resources  . . . . . . . . 66--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--86
          Laurence A. Soderblom   The Galilean moons of Jupiter  . . . . . 88--100
                 Barbara Gillam   Geometrical Illusions  . . . . . . . . . 102--111
               George W. Beadle   The Ancestry of Corn . . . . . . . . . . 112--119
           Martin M. Kaplan and   
               Hilary Koprowski   Rabies . . . . . . . . . . . . . . . . . 120--134
                   Norman Smith   The Origins of the Water Turbine . . . . 138--148
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 150--160
                      Anonymous   Bibliography . . . . . . . . . . . . . . 162--162

Scientific American
Volume 242, Number 2, February, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 14--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 24--32
            Charles Lee Jackson   The Allocation of the Radio Spectrum . . 34--39
           Stanley N. Cohen and   
               James A. Shapiro   Transposable Genetic Elements  . . . . . 40--49
                   Joyce Marcus   Zapotec Writing  . . . . . . . . . . . . 50--64
                      Anonymous   Science and the Citizen  . . . . . . . . 68--78
              Riccardo Giacconi   The Einstein X-Ray Observatory . . . . . 80--102
            Robert B. Smith and   
         Robert L. Christiansen   Yellowstone Park as a window on the
                                  Earth's interior . . . . . . . . . . . . 104--117
               J. J. Reilly and   
               Gary D. Sandrock   Hydrogen Storage in Metal Hydrides . . . 118--129
              James T. Todd and   
            Leonard S. Mark and   
             Robert E. Shaw and   
              John B. Pittenger   The Perception of Human Growth . . . . . 132--144
               Mary K. Wicksten   Decorator Crabs  . . . . . . . . . . . . 146--154
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 158--170
                      Anonymous   Bibliography . . . . . . . . . . . . . . 172--172

Scientific American
Volume 242, Number 3, March, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 21--22
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 24--38
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 41--50
                Harold W. Lewis   The Safety of Fission Reactors . . . . . 53--65
              Maurice Jacob and   
                Peter Landshoff   The Inner Structure of the Proton  . . . 66--75
               Peter V. Addyman   Eburacum, Jorvik, York . . . . . . . . . 76--86
                      Anonymous   Science and the Citizen  . . . . . . . . 88--96
              Edward Rubenstein   Diseases Caused by Impaired
                                  Communication Among Cells  . . . . . . . 102--121
                Fred L. Whipple   The Spin of Comets . . . . . . . . . . . 124--134
           Richard E. Dickerson   Cytochrome c and the Evolution of Energy
                                  Metabolism . . . . . . . . . . . . . . . 136--153
                 Cliff Frohlich   The Physics of Somersaulting and
                                  Twisting . . . . . . . . . . . . . . . . 154--164
            William G. Eberhard   Horned Beetles . . . . . . . . . . . . . 166--182
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 184--192
                      Anonymous   Bibliography . . . . . . . . . . . . . . 194--194

Scientific American
Volume 242, Number 4, April, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 19--27
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 28--37
           Matthew Meselson and   
          Julian Perry Robinson   Chemical Warfare and Chemical
                                  Disarmament  . . . . . . . . . . . . . . 38--47
          Francis Van Noten and   
               Daniel Cahen and   
                Lawrence Keeley   A Paleolithic Campsite in Belgium  . . . 48--55
               Richard L. Naeye   Sudden Infant Death  . . . . . . . . . . 56--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--72
             Walter Gilbert and   
           Lydia Villa-Komaroff   Useful Proteins from Recombinant
                                  Bacteria . . . . . . . . . . . . . . . . 74--96
          Praveen Chaudhari and   
            Bill C. Giessen and   
                 David Turnbull   Metallic Glasses . . . . . . . . . . . . 98--117
             John D. Barrow and   
                    Joseph Silk   The Structure of the Early Universe  . . 118--128
                Marc Bekoff and   
               Michael C. Wells   The Social Ecology of Coyotes  . . . . . 130--148
              James H. Schwartz   The Transport of Substances in Nerve
                                  Cells  . . . . . . . . . . . . . . . . . 152--171
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 172--176
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--178

Scientific American
Volume 242, Number 5, May, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 16--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--40
                   Eli Ginzberg   Youth Unemployment . . . . . . . . . . . 43--49
                   Juri Matisoo   The Superconducting Computer . . . . . . 50--65
      Daniel M. Greenberger and   
           Albert W. Overhauser   The Role of Gravity in Quantum Theory    66--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--87
              Pierre Morell and   
              William T. Norton   Myelin . . . . . . . . . . . . . . . . . 88--114
              R. K. O'Nions and   
             P. J. Hamilton and   
              Norman M. Evensen   The Chemical Evolution of the Earth's
                                  Mantle . . . . . . . . . . . . . . . . . 120--133
                    I. M. Klotz   The N-ray affair . . . . . . . . . . . . 122--124, 126, 129--131
          Ralph O. Erickson and   
                Wendy Kuhn Silk   The Kinematics of Plant Growth . . . . . 134--151
           Borislav Jovanovi\'c   The Origins of Copper Mining in Europe   152--167
                Irving M. Klotz   The N-Ray Affair . . . . . . . . . . . . 168--175
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 176--184
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--186

Scientific American
Volume 242, Number 6, June, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--16
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 20--32
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 34--42
                    Fritz Fuchs   Genetic Amniocentesis  . . . . . . . . . 47--53
      Harry Y. McSween, Jr. and   
              Edward M. Stolper   Basaltic Meteorites  . . . . . . . . . . 54--63
                  Hans Berliner   Computer Backgammon  . . . . . . . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--85
             Marjorie B. Zucker   The Functioning of Blood Platelets . . . 86--103
                Gerard 't Hooft   Gauge Theories of the Forces between
                                  Elementary Particles . . . . . . . . . . 104--138
                    T. Gold and   
                       S. Soter   The deep-Earth-gas hypothesis  . . . . . 130--137
        Lawrence Guy Straus and   
          Geoffrey A. Clark and   
               Jesus Altuna and   
                 Jesus A. Ortea   Ice-Age Subsistence in Northern Spain    142--152
                Thomas Gold and   
                   Steven Soter   The Deep-Earth-Gas Hypothesis  . . . . . 154--161
                Randy Thornhill   Sexual Selection in the Black-tipped
                                  Hangingfly . . . . . . . . . . . . . . . 162--172
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 174--184
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--186


Scientific American
Volume 243, Number 1, July, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--31
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--41
                William Epstein   A Ban on the Production of Fissionable
                                  Material for Weapons . . . . . . . . . . 43--51
               M. Leventhal and   
                C. J. MacCallum   Gamma-ray-line astronomy . . . . . . . . 50--58
                  David Koffler   Systemic \em Lupus Erythematosus . . . . 52--61
           Marvin Leventhal and   
          Crawford J. MacCallum   Gamma-Ray-Line Astronomy . . . . . . . . 62--70
                      Anonymous   Science and the Citizen  . . . . . . . . 72--77
                    Glyn Daniel   Megalithic Monuments . . . . . . . . . . 78--90
          Manuel G. Velarde and   
             Christiane Normand   Convection . . . . . . . . . . . . . . . 92--108
              Robert Degabriele   The Physiology of the Koala  . . . . . . 110--116
           William R. Bauer and   
             F. H. C. Crick and   
                 James H. White   Supercoiled DNA  . . . . . . . . . . . . 118--133
             E. Eugene Larrabee   The Screw Propeller  . . . . . . . . . . 134--148
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 150--161
                      Anonymous   Bibliography . . . . . . . . . . . . . . 162--162

Scientific American
Volume 243, Number 2, August, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 14--18
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 35--45
           George Sternlieb and   
                James W. Hughes   The Changing Demography of the Central
                                  City . . . . . . . . . . . . . . . . . . 48--53
       Gordon H. Pettengill and   
         Donald B. Campbell and   
                Harold Masursky   The Surface of Venus . . . . . . . . . . 54--65 (Intl. ed. 46--57)
                  Pierre Dustin   Microtubules . . . . . . . . . . . . . . 66--76
                      Anonymous   Science and the Citizen  . . . . . . . . 80--90
         Peter Beaconsfield and   
            George Birdwood and   
           Rebecca Beaconsfield   The Placenta . . . . . . . . . . . . . . 94--102
             Philip Ekstrom and   
                 David Wineland   The Isolated Electron  . . . . . . . . . 104--121
                    R. M. White   Disk-storage technology  . . . . . . . . 112--121
Jean-François Jarrige and   
              Richard H. Meadow   The Antecedents of Civilization in the
                                  Indus Valley . . . . . . . . . . . . . . 122--133
                Robert M. White   Disk-Storage Technology  . . . . . . . . 138--148
                 Stillman Drake   Newton's Apple and Galileo's Dialogue    150--156 (Intl. ed. 123)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 158--167
                      Anonymous   Bibliography . . . . . . . . . . . . . . 168--168

Scientific American
Volume 243, Number 3, September, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 11--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--19
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 20--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 45--56
                K. K. S. Dadzie   Economic Development . . . . . . . . . . 58--65
                 Halfdan Mahler   People . . . . . . . . . . . . . . . . . 66--77
         Nevin S. Scrimshaw and   
                   Lance Taylor   Food . . . . . . . . . . . . . . . . . . 78--88
                      Anonymous   Science and the Citizen  . . . . . . . . 90--98
             Robert P. Ambroggi   Water  . . . . . . . . . . . . . . . . . 101--116
                Wolfgang Sassin   Energy . . . . . . . . . . . . . . . . . 118--132
                      Ding Chen   The Economic Development of China  . . . 152--165
                    Raj Krishna   The Economic Development of India  . . . 166--178
           Robert B. Mabele and   
        William M. Lyakurwa and   
              Beno J. Ndulu and   
               Samuel M. Wangwe   The Economic Development of Tanzania . . 182--190
        Pablo Gonzalez Casanova   The Economic Development of Mexico . . . 192--204
            Wassily W. Leontief   The World Economy of the Year 2000 . . . 206--231
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 232--243
                      Anonymous   Bibliography . . . . . . . . . . . . . . 244--246

Scientific American
Volume 243, Number 4, October, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 16--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 35--45
           Ernest W. Saward and   
                  Scott Fleming   Health Maintenance Organizations . . . . 47--53
                   Bruce Margon   The Bizarre Spectrum of SS 433 . . . . . 54--65
                 Cesar Milstein   Monoclonal Antibodies  . . . . . . . . . 66--75
                      Anonymous   Science and the Citizen  . . . . . . . . 77--90
                    Kurt Nassau   The Causes of Color  . . . . . . . . . . 124--154
        M. M. Ter-Pogossian and   
              M. E. Raichle and   
                    B. E. Sobel   Positron-emission tomography . . . . . . 140--142, 44, 46, 49--55
          Frederick A. Cook and   
             Larry D. Brown and   
                 Jack E. Oliver   The Southern Appalachians and the growth
                                  of continents  . . . . . . . . . . . . . 156--168
    Michel M. Ter-Pogossian and   
          Marcus E. Raichle and   
                Burton E. Sobel   Positron-Emission Tomography . . . . . . 170--181
            Richard A. Dick and   
             Sheldon P. Wimpfen   Oil Mining . . . . . . . . . . . . . . . 182--188
                 Peter Ward and   
            Lewis Greenwald and   
             Olive E. Greenwald   The Buoyancy of the Chambered Nautilus   190--203
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 204--209
                      Anonymous   Bibliography . . . . . . . . . . . . . . 210--210

Scientific American
Volume 243, Number 5, November, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--16
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--30
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 35--48
             Reuel A. Stallones   The Rise and Fall of Ischemic Heart
                                  Disease  . . . . . . . . . . . . . . . . 53--59
              Robert T. Schimke   Gene Amplification and Drug Resistance   60--69
       Frederic H. Chaffee, Jr.   The Discovery of a Gravitational Lens    70--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--89
                  Nathan Sharon   Carbohydrates  . . . . . . . . . . . . . 90--116
              T. H. Geballe and   
                     J. K. Hulm   Superconductors in electric-power
                                  technology . . . . . . . . . . . . . . . 112--113, 115--116, 118--20, 122, 124, 126, 128, 130, 132, 135--136
               Donald E. Parker   The Vestibular Apparatus . . . . . . . . 118--135
              T. H. Geballe and   
                     J. K. Hulm   Superconductors in Electric-Power
                                  Technology . . . . . . . . . . . . . . . 138--172
                 P. S. Bellwood   The Peopling of the Pacific  . . . . . . 174--185
          Robert T. McIver, Jr.   Chemical Reactions without Solvation . . 186--196
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 198--208
                      Anonymous   Bibliography . . . . . . . . . . . . . . 210--210

Scientific American
Volume 243, Number 6, December, 1980

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--28
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 47--60
                 Kevin N. Lewis   Intermediate-Range Nuclear Weapons . . . 63--73
             Stillman Drake and   
               Charles T. Kowal   Galileo's Sighting of Neptune  . . . . . 74--81 (Intl. ed. 52)
                  Frank Wilczek   The Cosmic Asymmetry between Matter and
                                  Antimatter . . . . . . . . . . . . . . . 82--90
                      Anonymous   Science and the Citizen  . . . . . . . . 92--100
              Richard P. Novick   Plasmids . . . . . . . . . . . . . . . . 102--127
           Richard S. Davis and   
             Vadim A. Ranov and   
              Andrey E. Dodonov   Early Man in Soviet Central Asia . . . . 130--137
                Vincent P. Dole   Addictive Behavior . . . . . . . . . . . 138--154
               Jeffrey M. Camhi   The Escape System of the Cockroach . . . 158--172
              David Emil Thomas   Mirror Images  . . . . . . . . . . . . . 206--228
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 230--238
                      Anonymous   Annual Index . . . . . . . . . . . . . . 240--245
                      Anonymous   Bibliography . . . . . . . . . . . . . . 246--246


Scientific American
Volume 244, Number 1, January, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--21
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 22--32
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 49--53
              H. William Menard   Toward a Rational Strategy for Oil
                                  Exploration  . . . . . . . . . . . . . . 55--65
                   T. O. Diener   Viroids  . . . . . . . . . . . . . . . . 66--73
               Robert K. Jarvik   The Total Artificial Heart . . . . . . . 74--80
                      Anonymous   Science and the Citizen  . . . . . . . . 82--90
                  Paul W. Hodge   The Andromeda Galaxy . . . . . . . . . . 92--101
              Moshe Feldman and   
                Ernest R. Sears   The Wild Gene Resources of Wheat . . . . 102--112
                 Jerry A. Fodor   The Mind Body Problem  . . . . . . . . . 114--123
                Toyoichi Tanaka   Gels . . . . . . . . . . . . . . . . . . 124--138
             David A. Hounshell   Two Paths to the Telephone . . . . . . . 156--163
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 164--169
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--170

Scientific American
Volume 244, Number 2, February, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 17--20
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 23--28
                    Joel S. Wit   Advances in Antisubmarine Warfare  . . . 31--41
             J. Neil Rutger and   
              D. Marlin Brandon   California Rice Culture  . . . . . . . . 42--51
          Roger D. Kornberg and   
                     Aaron Klug   The Nucleosome . . . . . . . . . . . . . 52--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--78
                   Noel R. Rose   Autoimmune Diseases  . . . . . . . . . . 80--103
              J. G. Learned and   
                     D. Eichler   A deep-sea neutrino telescope  . . . . . 104--106, 107--113
             Olin C. Wilson and   
          Arthur H. Vaughan and   
                Dimitri Mihalas   The Activity Cycles of Stars . . . . . . 104--119
             Wann Langston, Jr.   Pterosaurs . . . . . . . . . . . . . . . 122--136
            John G. Learned and   
                  David Eichler   A Deep-Sea Neutrino Telescope  . . . . . 138--152
                  Thurstan Shaw   The Nok Sculptures of Nigeria  . . . . . 154--166
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 168--175
                      Anonymous   Bibliography . . . . . . . . . . . . . . 176--176

Scientific American
Volume 244, Number 3, March, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 20--35
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 40--46
               Eli Ginzberg and   
                George J. Vojta   The Service Sector of the U.S. Economy   48--55
            Keith R. Porter and   
             Jonathan B. Tucker   The Ground Substance of the Living Cell  56--67
              Robert Decker and   
                 Barbara Decker   The Eruptions of Mount St. Helens  . . . 68--80
                      Anonymous   Science and the Citizen  . . . . . . . . 82--91
                    Bart J. Bok   The Milky Way galaxy . . . . . . . . . . 92--120
               John Pettitt and   
              Sophie Ducker and   
                     Bruce Knox   Submarine Pollination  . . . . . . . . . 134--143
                     Irvin Rock   Anorthoscopic Perception . . . . . . . . 145--153
         Milton J. Friedman and   
                 William Trager   The Biochemistry of Resistance to
                                  Malaria  . . . . . . . . . . . . . . . . 154--164
               I. Bernard Cohen   Newton's Discovery of Gravity  . . . . . 166--179
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 182--192
                      Anonymous   Bibliography . . . . . . . . . . . . . . 194--194

Scientific American
Volume 244, Number 4, April, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--16
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 28--38
           Steven A. Fetter and   
                   Kosta Tsipis   Catastrophic Releases of Radioactivity   41--47
                  Howard Georgi   A Unified Theory of Elementary Particles
                                  and Forces . . . . . . . . . . . . . . . 48--63
        Stephen E. Levinson and   
               Mark Y. Liberman   Speech Recognition by Computer . . . . . 64--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--86
              Manfred Eigen and   
           William Gardiner and   
             Peter Schuster and   
     Ruthild Winkler-Oswatitsch   The Origin of Genetic Information  . . . 88--118
             Robert E. Williams   The Shells of Novas  . . . . . . . . . . 120--131
         Richard W. Merritt and   
               J. Bruce Wallace   Filter-Feeding Insects . . . . . . . . . 132--147
              Vernard Foley and   
                  Werner Soedel   Ancient Oared Warships . . . . . . . . . 148--163
             Daniel C. Tosteson   Lithium and Mania  . . . . . . . . . . . 164--174
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 176--184
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--186

Scientific American
Volume 244, Number 5, May, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 15--36
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 39--47
       Charles L. Gray, Jr. and   
               Frank von Hippel   The Fuel Economy of Light Vehicles . . . 48--59
                 Pierre Chambon   Split Genes  . . . . . . . . . . . . . . 60--71
             Walter H. G. Lewin   The Sources of Celestial X-Ray Bursts    72--82
                      Anonymous   Science and the Citizen  . . . . . . . . 86--99
           Ken C. Macdonald and   
              Bruce P. Luyendyk   The Crest of the East Pacific Rise . . . 100--116
           Knut Schmidt-Nielsen   Countercurrent Systems in Animals  . . . 118--128
            Daniel Kleppner and   
         Michael G. Littman and   
             Myron L. Zimmerman   Highly Excited Atoms . . . . . . . . . . 130--149
              Benjamin H. Beard   The Sunflower Crop . . . . . . . . . . . 150--161
                     Else Glahn   Chinese Building Standards in the 12th
                                  Century  . . . . . . . . . . . . . . . . 162--173
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 174--184
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--186

Scientific American
Volume 244, Number 6, June, 1981

               Freeman J. Dyson   Letter to the Editor: The Origin of
                                  Genetic Information  . . . . . . . . . . 8--8
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--21
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 22--32
                    H. M. Agnew   Gas-cooled nuclear power reactors  . . . 43--51
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 45--52
                Harold M. Agnew   Gas-Cooled Nuclear Power Reactors  . . . 55--63
                Steven Weinberg   The Decay of the Proton  . . . . . . . . 64--75
                  E. P. Abraham   The Beta-Lactam Antibiotics  . . . . . . 76--86
                      Anonymous   Science and the Citizen  . . . . . . . . 88--96
                  Carl R. Woese   Archaebacteria . . . . . . . . . . . . . 98--122
                Robert G. Bland   The Allocation of Resources by Linear
                                  Programming  . . . . . . . . . . . . . . 126--144
                 Bernd Heinrich   The Regulation of Temperature in the
                                  Honeybee Swarm . . . . . . . . . . . . . 146--160
            George W. Wetherill   The Formation of the Earth from
                                  Planetesimals  . . . . . . . . . . . . . 162--174 (Intl. ed. 130--140)
          Noël H. Gale and   
                Zofia Stos-Gale   Lead and Silver in the Ancient Aegean    176--192
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 194--200
                      Anonymous   Bibliography . . . . . . . . . . . . . . 202--202


Scientific American
Volume 245, Number 1, July, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--30
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--40
                   Stefan Nowak   Values and Attitudes of the Polish
                                  People . . . . . . . . . . . . . . . . . 45--53
            Arthur F. Pillsbury   The Salinity of Rivers . . . . . . . . . 54--65
            Gerald Schubert and   
                     Curt Covey   The Atmosphere of Venus  . . . . . . . . 66--74 (Intl. ed. 44--52)
                      Anonymous   Science and the Citizen  . . . . . . . . 76--84
         W. French Anderson and   
           Elaine G. Diacumakos   Genetic Engineering in Mammalian Cells   106--121
       Herbert J. Bernstein and   
            Anthony V. Phillips   Fiber Bundles and Quantum Theory . . . . 122--137
                 James E. Lloyd   Mimicry in the Sexual Signals of
                                  Fireflies  . . . . . . . . . . . . . . . 138--145
           John I. Yellott, Jr.   Binocular Depth Inversion  . . . . . . . 148--159
                Harold Dorn and   
                    Robert Mark   The Architecture of Christopher Wren . . 160--173
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 176--187
                      Anonymous   Bibliography . . . . . . . . . . . . . . 188--188

Scientific American
Volume 245, Number 2, August, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 16--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 29--34
                 Paul F. Walker   Precision-Guided Weapons . . . . . . . . 36--45
           Gareth Wynn-Williams   The Newest Stars in Orion  . . . . . . . 46--55
            Gary A. Strobel and   
               Gerald N. Lanier   Dutch Elm Disease  . . . . . . . . . . . 56--66
                      Anonymous   Science and the Citizen  . . . . . . . . 68--74
                  James A. Lake   The Ribosome . . . . . . . . . . . . . . 84--97
             S. L. Semiatin and   
                   G. D. Lahoti   The Forging of Metals  . . . . . . . . . 98--106
               Peter J. Webster   Monsoons . . . . . . . . . . . . . . . . 108--118
                  P. C. Woodman   A Mesolithic Camp in Ireland . . . . . . 120--132
                   S. S. Wilson   Sadi Carnot  . . . . . . . . . . . . . . 134--145
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--152
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 245, Number 3, September, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--30
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 51--60
           Arnold L. Demain and   
              Nadine A. Solomon   Industrial Microbiology  . . . . . . . . 66--75
                Herman J. Phaff   Industrial Microorganisms  . . . . . . . 76--89
               David A. Hopwood   The Genetic Programming of Industrial
                                  Microorganisms . . . . . . . . . . . . . 90--102
                      Anonymous   Science and the Citizen  . . . . . . . . 106--122
                Anthony H. Rose   The Microbiological Production of Food
                                  and Drink  . . . . . . . . . . . . . . . 126--138
           Yair Aharonowitz and   
                   Gerald Cohen   The Microbiological Production of
                                  Pharmaceuticals  . . . . . . . . . . . . 140--152
            Douglas E. Eveleigh   The Microbiological Production of
                                  Industrial Chemicals . . . . . . . . . . 154--178
            Elmer L. Gaden, Jr.   Production Methods in Industrial
                                  Microbiology . . . . . . . . . . . . . . 180--196
               Winston J. Brill   Agricultural Microbiology  . . . . . . . 198--215
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 216--224
                      Anonymous   Bibliography . . . . . . . . . . . . . . 226--226

Scientific American
Volume 245, Number 4, October, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--18
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--20
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 23--34
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 41--48
         Leonard T. Kurland and   
              Craig A. Molgaard   The Patient Record in Epidemiology . . . 54--63
            David I. Groves and   
          John S. R. Dunlop and   
                    Roger Buick   An Early Habitat of Life . . . . . . . . 64--73
           Joel M. Weisberg and   
           Joseph H. Taylor and   
                  Lee A. Fowler   Gravitational Waves from an Orbiting
                                  Pulsar . . . . . . . . . . . . . . . . . 74--82
                      Anonymous   Science and the Citizen  . . . . . . . . 84--96
                 Floyd E. Bloom   Neuropeptides  . . . . . . . . . . . . . 148--168
         Carleen Maley Hutchins   The Acoustics of Violin Plates . . . . . 170--186
  André Wegener Sleeswyk   Vitruvius' Odometer  . . . . . . . . . . 188--200 (Intl. ed. 158)
                R. I. G. Hughes   Quantum Logic  . . . . . . . . . . . . . 202--213
               T. M. Cannon and   
                     B. R. Hunt   Image Processing by Computer . . . . . . 214--225
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 226--236
                      Anonymous   Bibliography . . . . . . . . . . . . . . 238--238

Scientific American
Volume 245, Number 5, November, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 19--19
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 22--43
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 44--50
               Philip M. Hauser   The Census of 1980 . . . . . . . . . . . 53--61
                Michael Lampton   The Microchannel Image Intensifier . . . 62--71
           Paul Howard-Flanders   Inducible Repair of DNA  . . . . . . . . 72--80
                      Anonymous   Science and the Citizen  . . . . . . . . 85--100
           James B. Pollack and   
               Jeffrey N. Cuzzi   Rings in the Solar System  . . . . . . . 104--129
               J. A. Barker and   
              Douglas Henderson   The Fluid Phases of Matter . . . . . . . 130--138
            H. Frederik Nijhout   The Color Patterns of Butterflies and
                                  Moths  . . . . . . . . . . . . . . . . . 140--151
                  Florence Moog   The Lining of the Small Intestine  . . . 154--176
              James A. Tuck and   
                 Robert Grenier   A 16th-Century Basque Whaling Station in
                                  Labrador . . . . . . . . . . . . . . . . 180--190 (Intl. ed. 126)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 192--200
                      Anonymous   Bibliography . . . . . . . . . . . . . . 202--202

Scientific American
Volume 245, Number 6, December, 1981

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--30
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 35--47
                   Kosta Tsipis   Laser Weapons  . . . . . . . . . . . . . 51--57
       Richard P. Blakemore and   
             Richard B. Frankel   Magnetic Navigation in Bacteria  . . . . 58--65
                    Aubrey Burl   The Recumbent Stone Circles of Scotland  66--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--86
            Andrew P. Ingersoll   Jupiter and Saturn . . . . . . . . . . . 90--108 (Intl. ed. 66--80)
                 R. Pavelle and   
               M. Rothstein and   
                       J. Fitch   Computer Algebra . . . . . . . . . . . . 102--113
                Eric I. Knudsen   The Hearing of the Barn Owl  . . . . . . 112--125
           Russell F. Doolittle   Fibrinogen and Fibrin  . . . . . . . . . 126--135
            Richard Pavelle and   
          Michael Rothstein and   
                     John Fitch   Computer Algebra . . . . . . . . . . . . 136--139, 143, 145--146, 151--152
                    George Gale   The Anthropic Principle  . . . . . . . . 154--171
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 172--178
                      Anonymous   Annual Index . . . . . . . . . . . . . . 180--185
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--186


Scientific American
Volume 246, Number 1, January, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 40--48
                   Eli Ginzberg   The Social Security System . . . . . . . 51--57
                Dale A. Russell   The Mass Extinctions of the Late
                                  Mesozoic . . . . . . . . . . . . . . . . 58--65
           Isaac F. Silvera and   
                  Jook Walraven   The Stabilization of Atomic Hydrogen . . 66--74
                      Anonymous   Science and the Citizen  . . . . . . . . 77--80
      Laurence A. Soderblom and   
            Torrence V. Johnson   The Moons of Saturn  . . . . . . . . . . 100--116 (Intl. ed. 72--75, 78--86)
               Ronald D. Levine   Supercomputers . . . . . . . . . . . . . 118--135
           Gunther S. Stent and   
              David A. Weisblat   The Development of a Simple Nervous
                                  System . . . . . . . . . . . . . . . . . 136--146
                   Paul Bernard   An Ancient Greek City in Central Asia    148--159
            Daniel Kahneman and   
                   Amos Tversky   The Psychology of Preferences  . . . . . 160--173
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 174--179
                      Anonymous   Bibliography . . . . . . . . . . . . . . 180--180

Scientific American
Volume 246, Number 2, February, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 28--36
                Arthur C. Upton   The biological effects of low-level
                                  ionizing radiation . . . . . . . . . . . 41--48
             Richard L. Hay and   
                 Mary D. Leakey   The Fossil Footprints of Laetoli . . . . 50--57
                 Kai Simons and   
              Henrik Garoff and   
                   Ari Helenius   How an Animal Virus Gets into and out of
                                  its Host Cell  . . . . . . . . . . . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 70--78
                    Tobias Owen   Titan  . . . . . . . . . . . . . . . . . 98--109
       William C. Gardiner, Jr.   The Chemistry of Flames  . . . . . . . . 110--124
               Patrick S. Osmer   Quasars as probes of the distant and
                                  early Universe . . . . . . . . . . . . . 126--138
           Joseph S. Levine and   
       Edward F. MacNichol, Jr.   Color Vision in Fishes . . . . . . . . . 140--149
                    A. D. Moore   Henry A. Rowland . . . . . . . . . . . . 150--161
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 162--169
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--170

Scientific American
Volume 246, Number 3, March, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--29
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--38
               Charles B. Keely   Illegal Migration  . . . . . . . . . . . 41--47
             David B. Cline and   
               Carlo Rubbia and   
             Simon van der Meer   The Search for Intermediate Vector
                                  Bosons . . . . . . . . . . . . . . . . . 48--59
                 Peter H. Wiebe   Rings of the Gulf Stream . . . . . . . . 60--70
                      Anonymous   Science and the Citizen  . . . . . . . . 73--76
              J. Michael Bishop   Oncogenes  . . . . . . . . . . . . . . . 80--92
               Aldo V. La Rocca   Laser Applications in Manufacturing  . . 94--103
         Stephen A. Gregory and   
              Laird A. Thompson   Superclusters and voids in the
                                  distribution of galaxies . . . . . . . . 106--114
             Eric A. Newman and   
              Peter H. Hartline   The Infrared ``Vision'' of Snakes  . . . 116--127
             Craig Van Dyke and   
                    Robert Byck   Cocaine  . . . . . . . . . . . . . . . . 128--141
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 142--152
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 246, Number 4, April, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--36
                 Fred S. Ellers   Advanced Offshore Oil Platforms  . . . . 38--49
             Richard J. Wurtman   Nutrients that Modify Brain Function . . 50--59
               Arch C. Johnston   A major earthquake zone on the
                                  Mississippi  . . . . . . . . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--80
                      Leo Blitz   Giant molecular-cloud complexes in the
                                  Galaxy . . . . . . . . . . . . . . . . . 84--94
          Clyde F. E. Roper and   
                Kenneth J. Boss   The Giant Squid  . . . . . . . . . . . . 96--105
   Richard A. Carrigan, Jr. and   
                W. Peter Trower   Superheavy Magnetic Monopoles  . . . . . 106--118
              John Wennberg and   
                Alan Gittelsohn   Variations in Medical Care among Small
                                  Areas  . . . . . . . . . . . . . . . . . 120--135
                   Tony Rothman   The Short Life of Évariste Galois . . . . 136--149
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 150--161
                      Anonymous   Bibliography . . . . . . . . . . . . . . 162--162

Scientific American
Volume 246, Number 5, May, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 20--34
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 47--52
        Davidson R. Gwatkin and   
               Sarah K. Brandel   Life Expectancy and Population Growth in
                                  the Third World  . . . . . . . . . . . . 57--65
           Elliott D. Bloom and   
                Gary J. Feldman   Quarkonium . . . . . . . . . . . . . . . 66--77
                  Ian L. Pykett   NMR Imaging in Medicine  . . . . . . . . 78--88
                      Anonymous   Science and the Citizen  . . . . . . . . 92--101
                   Philip Leder   The Genetics of Antibody Diversity . . . 102--115
               David Policansky   The Asymmetry of Flounders . . . . . . . 116--122
         Roger D. Blandford and   
       Mitchell C. Begelman and   
                 Martin J. Rees   Cosmic Jets  . . . . . . . . . . . . . . 124--143
                   Gordon Moyer   The Gregorian Calendar . . . . . . . . . 144--152
               James F. Shepard   The Regeneration of Potato Plants from
                                  Leaf-Cell Protoplasts  . . . . . . . . . 154--166
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 170--177
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--178

Scientific American
Volume 246, Number 6, June, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 34--40
             Richard P. Sheldon   Phosphate Rock . . . . . . . . . . . . . 45--51
         Anthony C. S. Readhead   Radio Astronomy by Very-Long-Baseline
                                  Interferometry . . . . . . . . . . . . . 52--61
                 Wai Yiu Cheung   Calmodulin . . . . . . . . . . . . . . . 62--70
                      Anonymous   Science and the Citizen  . . . . . . . . 73--81
            Marvin L. Cohen and   
               Volker Heine and   
              James C. Phillips   The Quantum Mechanics of Materials . . . 82--102
          Arlette Leroi-Gourhan   The Archaeology of Lascaux Cave  . . . . 104--112
             Brian L. Partridge   The Structure and Function of Fish
                                  Schools  . . . . . . . . . . . . . . . . 114--123
            Robert H. Wurtz and   
        Michael E. Goldberg and   
             David Lee Robinson   Brain Mechanisms of Visual Attention . . 124--135
            Lord Ritchie-Calder   The Lunar Society of Birmingham  . . . . 136--145
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154


Scientific American
Volume 247, Number 1, July, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--31
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--38
            John N. Bahcall and   
             Lyman Spitzer, Jr.   The Space Telescope  . . . . . . . . . . 40--51
            Klaus Bechgaard and   
            Denis Jérome   Organic Superconductors  . . . . . . . . 52--61
           Michael A. Markowski   Ultralight Airplanes . . . . . . . . . . 62--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--78
                Charles J. Lada   Energetic Outflows from Young Stars  . . 82--93
                  James C. Wang   DNA Topoisomerases . . . . . . . . . . . 94--109
                   Kaj Johansen   Aneurysms  . . . . . . . . . . . . . . . 110--125
             J. David Ligon and   
                Sandra H. Ligon   The Cooperative Breeding Behavior of the
                                  Green Woodhoopoe . . . . . . . . . . . . 126--134
                Alan Tormey and   
             Judith Farr Tormey   Renaissance Intarsia: The Art of
                                  Geometry . . . . . . . . . . . . . . . . 136--143
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 247, Number 2, August, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--33
                  Roger Revelle   Carbon Dioxide and World Climate . . . . 35--43
             Corale L. Brierley   Microbiological Mining . . . . . . . . . 44--53
           Klaas S. de Boer and   
                Blair D. Savage   The Coronas of Galaxies  . . . . . . . . 54--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--68
              Paul D. Buisseret   Allergy  . . . . . . . . . . . . . . . . 86--95
                   Robert Gomer   Surface Diffusion  . . . . . . . . . . . 98--109
            Lawrence E. Gilbert   The Coevolution of a Butterfly and a
                                  Vine . . . . . . . . . . . . . . . . . . 110--121
                    Ian G. Gass   Ophiolites . . . . . . . . . . . . . . . 122--131
                 Owen Gingerich   The Galileo Affair . . . . . . . . . . . 132--143
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 144--148
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--150

Scientific American
Volume 247, Number 3, September, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--34
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 53--62
                   Eli Ginzberg   The Mechanization of Work  . . . . . . . 66--75
             Wayne D. Rasmussen   The Mechanization of Agriculture . . . . 76--89
        Robert L. Marovelli and   
                John M. Karhnak   The Mechanization of Mining  . . . . . . 90--102
                      Anonymous   Science and the Citizen  . . . . . . . . 105--113
                 Thomas G. Gunn   The Mechanization of Design and
                                  Manufacturing  . . . . . . . . . . . . . 114--130
                Martin L. Ernst   The Mechanization of Commerce  . . . . . 132--145
            Vincent E. Giuliano   The Mechanization of Office Work . . . . 148--164
             Joan Wallach Scott   The Mechanization of Women's Work  . . . 166--187
            Wassily W. Leontief   The Distribution of Work and Income  . . 188--204
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 206--216
                      Anonymous   Bibliography . . . . . . . . . . . . . . 218--218

Scientific American
Volume 247, Number 4, October, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 7--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 20--29
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--44
              Lynn R. Sykes and   
               Jack F. Evernden   The Verification of a Comprehensive
                                  Nuclear Test Ban . . . . . . . . . . . . 47--55
       Rodolfo R. Llinás   Calcium in Synaptic Transmission . . . . 56--65
            Jerome Kristian and   
                  Morley Blouke   Charge-Coupled Devices in Astronomy  . . 66--74
                      Anonymous   Science and the Citizen  . . . . . . . . 76--84
                 David L. Waltz   Artificial Intelligence  . . . . . . . . 118--135
           Ronald E. Rosensweig   Magnetic Fluids  . . . . . . . . . . . . 136--145
                 David K. Lynch   Tidal Bores  . . . . . . . . . . . . . . 146--156
               Thomas D. Seeley   How Honeybees Find a Home  . . . . . . . 158--168
          F. Richard Stephenson   Historical Eclipses  . . . . . . . . . . 170--183
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 184--193
                      Anonymous   Bibliography . . . . . . . . . . . . . . 194--194

Scientific American
Volume 247, Number 5, November, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 11--17
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--36
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 40--49
               Randall Forsberg   A Bilateral Nuclear-Weapon Freeze  . . . 52--61
         John R. Beddington and   
                  Robert M. May   The Harvesting of Interacting Species in
                                  a Natural Ecosystem  . . . . . . . . . . 62--69
             David L. Jones and   
                  Allan Cox and   
                Peter Coney and   
                      Myrl Beck   The Growth of Western North America  . . 70--84
                      Anonymous   Science and the Citizen  . . . . . . . . 86--92
               Mark Ptashne and   
       Alexander D. Johnson and   
                   Carl O. Pabo   A Genetic Switch in a Bacterial Virus    128--141
                 Kenzo Ishikawa   Glueballs  . . . . . . . . . . . . . . . 142--156
                David Crews and   
             William R. Garstka   The Ecological Physiology of a Garter
                                  Snake  . . . . . . . . . . . . . . . . . 158--168
              Thomas D. Rossing   The Physics of Kettledrums . . . . . . . 172--178
                Edward R. Landa   The First Nuclear Industry . . . . . . . 180--193
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 194--205
                      Anonymous   Bibliography . . . . . . . . . . . . . . 206--206

Scientific American
Volume 247, Number 6, December, 1982

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 18--33
            Philip Morrison and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 34--42
          Daniel R. Vining, Jr.   Migration between the Core and the
                                  Periphery  . . . . . . . . . . . . . . . 44--53
                 Charles Elachi   Radar Images of the Earth from Space . . 54--61
   Martha Constantine-Paton and   
                Margaret I. Law   The Development of Maps and Stripes in
                                  the Brain  . . . . . . . . . . . . . . . 62--70
                      Anonymous   Science and the Citizen  . . . . . . . . 74--82
           Hoo-min D. Toong and   
                     Amar Gupta   Personal Computers . . . . . . . . . . . 86--107
         Richard A. Mewaldt and   
            Edward C. Stone and   
             Mark E. Wiedenbeck   Samples of the Milky Way . . . . . . . . 108--121
                 M. A. R. Koehl   The Interaction of Moving Water and
                                  Sessile Organisms  . . . . . . . . . . . 124--134
                 Carl Pomerance   The Search for Prime Numbers . . . . . . 136--147 (Intl. ed. 122)
             Cleo Rickman Fitch   The Lamps of Cosa  . . . . . . . . . . . 148--160
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 162--171
                      Anonymous   Annual Index . . . . . . . . . . . . . . 172--176
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--178


Scientific American
Volume 248, Number 1, January, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 7--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--9
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 14--22
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 27--34
               Joseph Feder and   
             William R. Tolbert   The Large-Scale Cultivation of Mammalian
                                  Cells  . . . . . . . . . . . . . . . . . 36--43
            Marc H. Raibert and   
             Ivan E. Sutherland   Machines That Walk . . . . . . . . . . . 44--53
                 A. J. Hudspeth   The Hair Cells of the Inner Ear  . . . . 54--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--73
           David J. Mossman and   
         William A. S. Sarjeant   The Footprints of Extinct Animals  . . . 74--85
                  R. G. Shulman   NMR Spectroscopy of Living Cells . . . . 86--93
        Neville H. Fletcher and   
              Suszanne Thwaites   The Physics of Organ Pipes . . . . . . . 94--103 (Intl. ed. 84--93)
                   Bruce Margon   The Origin of the Cosmic X-Ray
                                  Background . . . . . . . . . . . . . . . 104--119
                   Hua Jue-ming   The Mass Production of Iron Castings in
                                  Ancient China  . . . . . . . . . . . . . 120--129
                   Jue-ming Hua   Mass Production of Iron Castings in
                                  Ancient China  . . . . . . . . . . . . . 121--124
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 130--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--139

Scientific American
Volume 248, Number 2, February, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 14--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--43
            Sandra S. Batie and   
                Robert G. Healy   The Future of American Agriculture . . . 45--53
                  Claudio Rebbi   The Lattice Theory of Quark Confinement  54--65
              Richard A. Lerner   Synthetic Vaccines . . . . . . . . . . . 66--74
                      Anonymous   Science and the Citizen  . . . . . . . . 76--83
              Eitan Abraham and   
            Colin T. Seaton and   
               S. Desmond Smith   The Optical Computer . . . . . . . . . . 85--93 (Intl. ed. 63--71)
                Jeremy M. Wolfe   Hidden Visual Processes  . . . . . . . . 94--103
                Richard Wolfson   The Active Solar Corona  . . . . . . . . 104--119
           Charles W. Myers and   
                   John W. Daly   Dart-Poison Frogs  . . . . . . . . . . . 120--133
           Walter C. Leedy, Jr.   Fan Vaulting . . . . . . . . . . . . . . 134--145
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 248, Number 3, March, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 11--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--20
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 22--31
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 35--40
         Elisabeth Mann Borgese   The Law of the Sea . . . . . . . . . . . 42--49
             David A. Patterson   Microprogramming . . . . . . . . . . . . 50--57 (Intl. ed. 36--43)
      Walter A. Fairservis, Jr.   The Script of the Indus Valley
                                  Civilization . . . . . . . . . . . . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 68--74
              Leslie A. Grivell   Mitochondrial DNA  . . . . . . . . . . . 78--89
             Duane A. Dicus and   
              John R. Letaw and   
           Doris C. Teplitz and   
              Vigdor L. Teplitz   The Future of the Universe . . . . . . . 90--101 (Intl. ed. 74--85)
           Sara J. Shettleworth   Memory in Food-Hoarding Birds  . . . . . 102--110
          Irving R. Epstein and   
             Kenneth Kustin and   
          Patrick De Kepper and   
                   Miklos Orban   Oscillating Chemical Reactions . . . . . 112--123
              Stephen A. Geller   Autopsy  . . . . . . . . . . . . . . . . 124--136
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146

Scientific American
Volume 248, Number 4, April, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 14--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--34
               J. B. Angell and   
                S. C. Terry and   
                    P. W. Barth   Silicon micromechanical devices  . . . . 36--47
          Barry M. Blechman and   
                  Mark R. Moore   A Nuclear-Weapon-Free Zone in Europe . . 37--43
            James B. Angell and   
           Stephen C. Terry and   
               Phillip W. Barth   Silicon Micromechanical Devices  . . . . 44--55 (Intl. ed. 36)
            James B. Angell and   
           Stephen C. Terry and   
               Phillip W. Barth   Silicon Micromechanical Devices  . . . . 44--55
                    Haim Harari   The Structure of Quarks and Leptons  . . 56--68
                      Anonymous   Science and the Citizen  . . . . . . . . 69--76
             John M. Edmond and   
                 Karen Von Damm   Hot Springs on the Ocean Floor . . . . . 78--93
             Adrian R. Morrison   A Window on the Sleeping Brain . . . . . 94--102
              Peter Bogucki and   
                Ryszard Grygiel   Early Farmers of the North European
                                  Plain  . . . . . . . . . . . . . . . . . 104--112
              John Tyler Bonner   Chemical Signals of Social Amoebae . . . 114--120
              Michael McCloskey   Intuitive Physics  . . . . . . . . . . . 122--130
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 132--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--138

Scientific American
Volume 248, Number 5, May, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 7--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 16--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 45--49
                 Paul F. Walker   Smart Weapons in Naval Warfare . . . . . 53--61
              George F. Bertsch   Vibrations of the Atomic Nucleus . . . . 62--73 (Intl. ed. 40--51)
              Christian de Duve   Microbodies in the Living Cell . . . . . 74--84
                      Anonymous   Science and the Citizen  . . . . . . . . 88--95
                 Wilson G. Pond   Modern Pork Production . . . . . . . . . 96--103
             J. D. Birchall and   
                  Anthony Kelly   New Inorganic Materials  . . . . . . . . 104--115
             Persi Diaconis and   
                  Bradley Efron   Computer-Intensive Methods in Statistics 116--130
                     Michel Bur   The Social Influence of the
                                  Motte-and-Bailey Castle  . . . . . . . . 132--140
              Arthur T. Winfree   Sudden Cardiac Death: a Problem in
                                  Topology . . . . . . . . . . . . . . . . 144--161
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 162--169
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--170

Scientific American
Volume 248, Number 6, June, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 14--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--38
              Gerben DeJong and   
                Raymond Lifchez   Physical Disability and Public Policy    40--49
              Mary-Dell Chilton   A Vector for Introducing New Genes into
                                  Plants . . . . . . . . . . . . . . . . . 50--59
                  Peter Francis   Giant Volcanic Calderas  . . . . . . . . 60--70
                      Anonymous   Science and the Citizen  . . . . . . . . 74--84
                  Wu Rukang and   
                  Lin Shenglong   Peking Man . . . . . . . . . . . . . . . 86--94
                  Vera C. Rubin   Dark Matter in Spiral Galaxies . . . . . 96--106, 108
          John W. Kanwisher and   
                 Sam H. Ridgway   The Physiological Ecology of Whales and
                                  Porpoises  . . . . . . . . . . . . . . . 110--120
               Joseph W. Dauben   Georg Cantor and the Origins of
                                  Transfinite Set Theory . . . . . . . . . 122--131 (Intl. ed. 112)
                   Lewis Weiner   The Slide Fastener . . . . . . . . . . . 132--136, 138, 143--144
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154


Scientific American
Volume 249, Number 1, July, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
          Douglas R. Hofstadter   Metamagical Themas . . . . . . . . . . . 14--20
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--30
                 Larry Long and   
                    Diana DeAre   The Slowing of Urbanization in the U.S.  33--41
         Vincent Courtillot and   
                Gregory E. Vink   How Continents Break up  . . . . . . . . 42--49
        Lauren R. Donaldson and   
                 Timothy Joyner   The Salmonid Fishes as a Natural
                                  Livestock  . . . . . . . . . . . . . . . 50--58
                      Anonymous   Science and the Citizen  . . . . . . . . 60--68
                Daniel L. Alkon   Learning in a Marine Snail . . . . . . . 70--84
            A. J. Blodgett, Jr.   Microelectronic packaging  . . . . . . . 76--86
        Albert J. Blodgett, Jr.   Microelectronic Packaging  . . . . . . . 86--96 (Intl. ed. 76)
               Donald R. Kaplan   The Development of Palm Leaves . . . . . 98--105
          Nariman B. Mistry and   
           Ronald A. Poling and   
            Edward H. Thorndike   Particles with Naked Beauty  . . . . . . 106--115
                Derek Bickerton   Creole Languages . . . . . . . . . . . . 116--122
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 124--129
                      Anonymous   Bibliography . . . . . . . . . . . . . . 130--130

Scientific American
Volume 249, Number 2, August, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 9--10
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 12--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--27
              Donald D. Trunkey   Trauma . . . . . . . . . . . . . . . . . 28--35
                  Sidney Pestka   The Purification and Manufacture of
                                  Human Interferons  . . . . . . . . . . . 36--43
                   E. N. Parker   Magnetic Fields in the Cosmos  . . . . . 44--54 (Intl. ed. 36--46)
                      Anonymous   Science and the Citizen  . . . . . . . . 58--63
               Roy S. Lewis and   
                  Edward Anders   Interstellar Matter in Meteorites  . . . 66--77 (Intl. ed. 54--66)
             Glenn D. Prestwich   The Chemical Defenses of Termites  . . . 78--87
           Douglas H. Blair and   
               Robert A. Pollak   Rational Collective Choice . . . . . . . 88--95
                Petter Aune and   
             Ronald L. Sack and   
                   Arne Selberg   The Stave Churches of Norway . . . . . . 96--105
            Charles Bigelow and   
                     Donald Day   Digital Typography . . . . . . . . . . . 106--119
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 120--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 249, Number 3, September, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 18--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 37--44
                 Raymond Siever   The Dynamic Earth  . . . . . . . . . . . 46--55 (Intl. ed. 30--39)
                Raymond Jeanloz   The Earth's Core . . . . . . . . . . . . 56--65 (Intl. ed. 40--49)
                 D. P. McKenzie   The Earth's Mantle . . . . . . . . . . . 66--78
                      Anonymous   Science and the Citizen  . . . . . . . . 82--92
                 W. S. Broecker   The ocean  . . . . . . . . . . . . . . . 100--112
               Jean Francheteau   The Oceanic Crust  . . . . . . . . . . . 114--129 (Intl. ed. 68--84)
             B. Clark Burchfiel   The Continental Crust  . . . . . . . . . 130--134, 136--142 (Intl. ed. 86--98)
            Wallace S. Broecker   The Ocean  . . . . . . . . . . . . . . . 146--160
            Wallace S. Broecker   Ocean  . . . . . . . . . . . . . . . . . 146
            Andrew P. Ingersoll   The Atmosphere . . . . . . . . . . . . . 162--165, 167--174 (Intl. ed. 114--130)
                  Preston Cloud   The Biosphere  . . . . . . . . . . . . . 176--189
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 190--201
                      Anonymous   Bibliography . . . . . . . . . . . . . . 202--202

Scientific American
Volume 249, Number 4, October, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--18
                    Brian Hayes   Computer Recreations . . . . . . . . . . 22--36
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 51--60
               Philip L. Martin   Labor-Intensive Agriculture  . . . . . . 54--59
                    J. Silk and   
               A. S. Szalay and   
               Y. B. Zel'dovich   The large-scale structure of the
                                  Universe . . . . . . . . . . . . . . . . 56--64
                 Robert W. Conn   The Engineering of Magnetic Fusion
                                  Reactors . . . . . . . . . . . . . . . . 60--71
                Joseph Silk and   
        Alexander S. Szalay and   
            Yakov B. Zel'dovich   The Large-Scale Structure of the
                                  Universe . . . . . . . . . . . . . . . . 72--80
                      Anonymous   Science and the Citizen  . . . . . . . . 82--88
          James E. Darnell, Jr.   The Processing of RNA  . . . . . . . . . 90--100
            Ilana Steinhorn and   
                    Joel R. Gat   The Dead Sea . . . . . . . . . . . . . . 102--109
                B. O. K. Reeves   Six Millenniums of Buffalo Kills . . . . 120--135
                     Peter Ward   The Extinction of the Ammonites  . . . . 136--147
                Herbert F. York   Bilateral Negotiations and the Arms Race 149--160
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 162--169
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--170

Scientific American
Volume 249, Number 5, November, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                    Brian Hayes   Computer Recreations . . . . . . . . . . 18--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--37
               Matthew Bunn and   
                   Kosta Tsipis   The Uncertainties of a Preemptive
                                  Nuclear Attack . . . . . . . . . . . . . 38--47
                 Edward J. Wasp   Slurry Pipelines . . . . . . . . . . . . 48--55
              Jack O. Burns and   
                R. Marcus Price   Centaurus A: the Nearest Active Galaxy   56--66 (Intl. ed. 50--60)
                      Anonymous   Science and the Citizen  . . . . . . . . 70--80
                   G. H. Dohler   Solid-state superlattices  . . . . . . . 118--126
             Robert A. Weinberg   A Molecular Basis of Cancer  . . . . . . 126--142
       Gottfried H. Döhler   Solid-State Superlattices  . . . . . . . 144--151
                  Colin Renfrew   The Social Archaeology of Megalithic
                                  Monuments  . . . . . . . . . . . . . . . 152--163
            Gerald A. Rosenthal   A Seed-Eating Beetle's Adaptations to a
                                  Poisonous Seed . . . . . . . . . . . . . 164--171
              Peter Francis and   
                   Stephen Self   The Eruption of Krakatau . . . . . . . . 172--187
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 188--196
                      Anonymous   Bibliography . . . . . . . . . . . . . . 198--198

Scientific American
Volume 249, Number 6, December, 1983

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                    Brian Hayes   Computer Recreations . . . . . . . . . . 19--28
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 30--47
                John D. Harbron   Modern Icebreakers . . . . . . . . . . . 49--55
        Torrence V. Johnson and   
          Laurence A. Soderblom   Io . . . . . . . . . . . . . . . . . . . 56--67
                 Peter S. Wells   An Early Iron Age Farm Community in
                                  Central Europe . . . . . . . . . . . . . 68--74
                      Anonymous   Science and the Citizen  . . . . . . . . 76--88
           Richard E. Dickerson   The DNA Helix and How it is Read . . . . 94--111
                Bryce S. DeWitt   Quantum Gravity  . . . . . . . . . . . . 112--129
             Arthur T. Bergerud   Prey Switching in a Simple Ecosystem . . 130--141
            Albert C. Gross and   
            Chester R. Kyle and   
           Douglas J. Malewicki   The Aerodynamics of Human-Powered Land
                                  Vehicles . . . . . . . . . . . . . . . . 142--145, 148--152
              Donald D. Hoffman   The Interpretation of Visual Illusions   154--162
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 164--170
                      Anonymous   Annual Index . . . . . . . . . . . . . . 172--177
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--178


Scientific American
Volume 250, Number 1, January, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 5--5
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--6
                      Anonymous   The Authors  . . . . . . . . . . . . . . 8--8
                    Brian Hayes   Computer Recreations . . . . . . . . . . 10--16
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 29--33
               John Steinbruner   Launch under Attack  . . . . . . . . . . 37--47
         Michael R. Rampino and   
                   Stephen Self   The Atmospheric Effects of El Chichón . . 48--57
            Wm. C. McHarris and   
              John O. Rasmussen   High-Energy Collisions Between Atomic
                                  Nuclei . . . . . . . . . . . . . . . . . 58--66 (Intl. ed. 44--52)
                      Anonymous   Science and the Citizen  . . . . . . . . 70--76
              M. S. Swaminathan   Rice . . . . . . . . . . . . . . . . . . 80--93
                Charles J. Cole   Unisexual Lizards  . . . . . . . . . . . 94--100
                Masayasu Nomura   The Control of Ribosome Synthesis  . . . 102--114
                N. J. A. Sloane   The Packing of Spheres . . . . . . . . . 116--125
                Arthur F. Scott   The Invention of the Balloon and the
                                  Birth of Modern Chemistry  . . . . . . . 126--137
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146

Scientific American
Volume 250, Number 2, February, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 5--5
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--6
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
                    Brian Hayes   Computer Recreations . . . . . . . . . . 14--20
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 33--37
                 Nathan Keyfitz   The Population of China  . . . . . . . . 38--47
                  Gonzalo Vidal   The Oldest Eukaryotic Cells  . . . . . . 48--57
                     Curt Covey   The Earth's Orbit and the Ice Ages . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 68--76
                Nigel Unwin and   
              Richard Henderson   The Structure of Proteins in Biological
                                  Membranes  . . . . . . . . . . . . . . . 78--94 (Intl. ed. 56--66)
                 Donald H. Levy   The Spectroscopy of Supercooled Gases    96--109 (Intl. ed. 68--76)
             Jöran Friberg   Numbers and Measures in the Earliest
                                  Written Records  . . . . . . . . . . . . 110--118
            Suzanne W. T. Batra   Solitary Bees  . . . . . . . . . . . . . 120--127
           Timothy A. Salthouse   The Skill of Typing  . . . . . . . . . . 128--135
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 136--144
                      Anonymous   Bibliography . . . . . . . . . . . . . . 148--148

Scientific American
Volume 250, Number 3, March, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--4
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 9--9
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
                    Brian Hayes   Computer Recreations . . . . . . . . . . 12--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--31
             Kurt Gottfried and   
           Henry W. Kendall and   
                    John M. Lee   ``No First Use'' of Nuclear Weapons  . . 33--41
       Charles D. Hollister and   
        Arthur R. M. Nowell and   
                Peter A. Jumars   The Dynamic Abyss  . . . . . . . . . . . 42--53
        Richard H. Scheller and   
                   Richard Axel   How Genes Control an Innate Behavior . . 54--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--74
                  David Pilbeam   The Descent of Hominoids and Hominids    84--96
             James P. Wolfe and   
        André Mysyrowicz   Excitonic Matter . . . . . . . . . . . . 98--107 (Intl. ed. 70--79)
                   Gerald Oster   Muscle Sounds  . . . . . . . . . . . . . 108--114
                  F. H. Bronson   The Adaptability of the House Mouse  . . 116--125
               I. Bernard Cohen   Florence Nightingale . . . . . . . . . . 128--137
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--143
                   Jearl Walker   The Amateur Scientist: What is a Fish's
                                  View of a Fisherman and the Fly He Has
                                  Cast on the Water? . . . . . . . . . . . 138--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144

Scientific American
Volume 250, Number 4, April, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
               Fred Gruenberger   Computer Recreations . . . . . . . . . . 19--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 28--33
                    R. V. Short   Breast Feeding . . . . . . . . . . . . . 35--41
              Nick Scoville and   
                Judith S. Young   Molecular clouds, star formation and
                                  galactic structure . . . . . . . . . . . 42--53
                   A. Jayaraman   The Diamond-Anvil High-Pressure Cell . . 54--62 (Intl. ed. 42--50)
                      Anonymous   Science and the Citizen  . . . . . . . . 66--84
                   John T. Snow   The Tornado  . . . . . . . . . . . . . . 86--96
                  Tomaso Poggio   Vision by Man and Machine  . . . . . . . 106--116
              Gerald M. Edelman   Cell-Adhesion Molecules: a Molecular
                                  Basis for Animal Form  . . . . . . . . . 118--129
                 John R. Horner   The Nesting Behavior of Dinosaurs  . . . 130--137
                C. F. W. Higham   Prehistoric Rice Cultivation in
                                  Southeast Asia . . . . . . . . . . . . . 138--146 (Intl. ed. 100)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 150--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 250, Number 5, May, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--22
                  A. K. Dewdney   Computer Recreations: In the game called
                                  Core War hostile programs engage in a
                                  battle of bits . . . . . . . . . . . . . 14--22
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 24--31
             Jack Robert Miller   Steel Minimills  . . . . . . . . . . . . 32--39
             Enrico Bonatti and   
                 Kathleen Crane   Oceanic Fracture Zones . . . . . . . . . 40--51
        Alice Dautry-Varsat and   
               Harvey F. Lodish   How Receptors Bring Proteins and
                                  Particles into Cells . . . . . . . . . . 52--58
                      Anonymous   Science and the Citizen  . . . . . . . . 62--72
               John E. Hopcroft   Turing Machines  . . . . . . . . . . . . 86--92, 94--98 (Intl. ed. 70--80)
                   Janice Moore   Parasites that Change the Behavior of
                                  their Host . . . . . . . . . . . . . . . 108--115
               Alan H. Guth and   
             Paul J. Steinhardt   The Inflationary Universe  . . . . . . . 116--128
             J. M. Adovasio and   
                 R. C. Carlisle   An Indian Hunters' Camp for 20,000 Years 130--136
               Andrew Cliff and   
                  Peter Haggett   Island Epidemics . . . . . . . . . . . . 138--147
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 148--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 250, Number 6, June, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 19--26
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 41--43
          Richard L. Garwin and   
             Kurt Gottfried and   
               Donald L. Hafner   Antisatellite Weapons  . . . . . . . . . 45--55
               Heather Lechtman   Pre-Columbian Surface Metallurgy . . . . 56--63
              Steven M. Stanley   Mass Extinctions in the Ocean  . . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--83
               Nina V. Fedoroff   Transposable Genetic Elements in Maize   84--99
        Marie-Anne Bouchiat and   
                 Lionel Pottier   An Atomic Preference between Left and
                                  Right  . . . . . . . . . . . . . . . . . 100--111
                   Lee C. Ryker   Acoustic and Chemical Signals in the
                                  Life Cycle of a Beetle . . . . . . . . . 112--123
              J. Mayo Greenberg   The Structure and Evolution of
                                  Interstellar Grains  . . . . . . . . . . 124--135
            Frederick E. Graves   Nuts and Bolts . . . . . . . . . . . . . 136--138, 140, 142--144
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 146--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154


Scientific American
Volume 251, Number 1, July, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--27
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--38
                Ellen L. Bassuk   The Homelessness Problem . . . . . . . . 40--45
          Roger Hékinian   Undersea Volcanoes . . . . . . . . . . . 46--55
            R. John Collier and   
               Donald A. Kaplan   Immunotoxins . . . . . . . . . . . . . . 56--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--68
                   Paul W. Webb   Form and Function in Fish Swimming . . . 72--82
              Minas Kafatos and   
       Andrew G. Michalitsianos   Symbiotic Stars  . . . . . . . . . . . . 84--94
             W. P. Thurston and   
                    J. R. Weeks   The mathematics of three-dimensional
                                  manifolds  . . . . . . . . . . . . . . . 94--106
               Joseph D. Becker   Multilingual Word Processing . . . . . . 96--107 (Intl. ed. 82--93)
        William P. Thurston and   
               Jeffrey R. Weeks   The Mathematics of Three-Dimensional
                                  Manifolds  . . . . . . . . . . . . . . . 108--120
              Terry S. Reynolds   Medieval Roots of the Industrial
                                  Revolution . . . . . . . . . . . . . . . 122--130
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 132--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--138

Scientific American
Volume 251, Number 2, August, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 19--23
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--31
           Richard P. Turco and   
               Owen B. Toon and   
         Thomas P. Ackerman and   
           James B. Pollack and   
                     Carl Sagan   The Climatic Effects of Nuclear War  . . 33--43
               Guy Ourisson and   
            Pierre Albrecht and   
                  Michel Rohmer   The Microbial Origin of Fossil Fuels . . 44--51
             John S. Mathis and   
            Blair D. Savage and   
           Joseph P. Cassinelli   A superluminous object in the Large
                                  Cloud of Magellan  . . . . . . . . . . . 52--60
                      Anonymous   Science and the Citizen  . . . . . . . . 62--66
                    Tony Hunter   The Proteins of Oncogenes  . . . . . . . 70--79
        Eduardo Matos Moctezuma   The Great Temple of Tenochtitlán  . . . . 80--88
            Dina F. Mandoli and   
              Winslow R. Briggs   Fiber Optics in Plants . . . . . . . . . 90--98 (Intl. ed. 80--88)
        Berthold K. P. Horn and   
               Katsushi Ikeuchi   The mechanical manipulation of randomly
                                  oriented parts . . . . . . . . . . . . . 100--106, 108, 110--111 (Intl. ed. 90--99)
            Peter B. Stacey and   
               Walter D. Koenig   Cooperative Breeding in the Acorn
                                  Woodpecker . . . . . . . . . . . . . . . 114--121
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--129
                      Anonymous   Bibliography . . . . . . . . . . . . . . 130--130

Scientific American
Volume 251, Number 3, September, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 11--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 22--35
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 39--51
                    Alan C. Kay   Computer Software  . . . . . . . . . . . 52--59 (Intl. ed. 40--47)
                  Niklaus Wirth   Data Structures and Algorithms . . . . . 60--69 (Intl. ed. 48--57)
             Lawrence G. Tesler   Programming Languages  . . . . . . . . . 70--78
                      Anonymous   Science and the Citizen  . . . . . . . . 82--91
           Peter J. Denning and   
                Robert L. Brown   Operating Systems  . . . . . . . . . . . 94--106
                 Terry Winograd   Computer Software for Working With
                                  Language . . . . . . . . . . . . . . . . 130--145 (Intl. ed. 90--101)
                Andries van Dam   Computer Software for Graphics . . . . . 146--159
                   Michael Lesk   Computer Software for Information
                                  Management . . . . . . . . . . . . . . . 162--172 (Intl. ed. 115--124)
              Alfred Z. Spector   Computer Software for Process Control    174--186
                Stephen Wolfram   Computer Software in Science and
                                  Mathematics  . . . . . . . . . . . . . . 188--203
               Douglas B. Lenat   Computer Software for Intelligent
                                  Systems  . . . . . . . . . . . . . . . . 204--213
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 215--227
                      Anonymous   Bibliography . . . . . . . . . . . . . . 228--228

Scientific American
Volume 251, Number 4, October, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--19
                   Yank D. Weed   Computer Recreations . . . . . . . . . . 20--27
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 29--37
              Hans A. Bethe and   
          Richard L. Garwin and   
             Kurt Gottfried and   
               Henry W. Kendall   Space-Based Ballistic-Missile Defense    39--49
            Stanley B. Prusiner   Prions . . . . . . . . . . . . . . . . . 50--59
            Don L. Anderson and   
             Adam M. Dziewonski   Seismic Tomography . . . . . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 72--80
               Arnold I. Caplan   Cartilage  . . . . . . . . . . . . . . . 84--94
                Margherita Hack   Epsilon Aurigae  . . . . . . . . . . . . 98--105
                Tom D. Dillehay   A Late Ice-Age Settlement in Southern
                                  Chile  . . . . . . . . . . . . . . . . . 106--117
                 A. I. Tselikov   The Continuous Processing of Metals in
                                  the U.S.S.R. . . . . . . . . . . . . . . 120--122, 124--129
             Folke T. Kihlstedt   The Crystal Palace . . . . . . . . . . . 132--143
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 144--152
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--154

Scientific American
Volume 251, Number 5, November, 1984

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 19--28
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--39
               Leon M. Lederman   The Value of Fundamental Science . . . . 40--47
             Harm J. Habing and   
               Gerry Neugebauer   The Infrared Sky . . . . . . . . . . . . 48--57
           Michael S. Brown and   
            Joseph L. Goldstein   How LDL Receptors Influence Cholesterol
                                  and Atherosclerosis  . . . . . . . . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 70--76
                 Samuel A. Matz   Modern Baking Technology . . . . . . . . 122--134
                      Anonymous   The $ {\rm C}^3 $ laser  . . . . . . . . 126--135
                Donald R. Perry   The Canopy of the Tropical Rain Forest   138--147
                    W. T. Tsang   The C 3 Laser  . . . . . . . . . . . . . 148--161
         Mikhail I. Gladkih and   
         Ninelj L. Kornietz and   
                    Olga Soffer   Mammoth-Bone Dwellings on the Russian
                                  Plain  . . . . . . . . . . . . . . . . . 164--175
                Robert Mark and   
               William W. Clark   Gothic Structural Experimentation  . . . 176--185
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 186--193
                      Anonymous   Bibliography . . . . . . . . . . . . . . 194--194
             J. C. Abegglen and   
                       A. Etori   Japanese technology today  . . . . . . . J4--23

Scientific American
Volume 251, Number 6, December, 1984

                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--22
                  A. K. Dewdney   Computer Recreations: Sharks and fish
                                  wage an ecological war on the toroidal
                                  planet Wa-Tor  . . . . . . . . . . . . . 14--22
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 27--43
              Samuel H. Preston   Children and the Elderly in the U.S. . . 44--49
          Richard G. Brewer and   
                  Erwin L. Hahn   Atomic Memory  . . . . . . . . . . . . . 50--57
           Corey S. Goodman and   
            Michael J. Bastiani   How Embryonic Nerve Cells Recognize One
                                  Another  . . . . . . . . . . . . . . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 68--74
                  John Monforte   The Digital Reproduction of Sound  . . . 78--84
             Philip H. Brownell   Prey Detection by the Sand Scorpion  . . 86--97
               Ye. A. Kozlovsky   The World's Deepest Well . . . . . . . . 98--104
             Lynn A. Cooper and   
               Roger N. Shepard   Turning Something Over in the Mind . . . 106--114
                John D. Harbron   The Spanish Ship of the Line . . . . . . 116--129
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 130--139
                      Anonymous   Annual Index . . . . . . . . . . . . . . 142--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146


Scientific American
Volume 252, Number 1, January, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--20
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 25--29
               Ashton B. Carter   The Command and Control of Nuclear War   32--39
                   Alan P. Boss   Collapse and Formation of Stars  . . . . 40--45
                 Peter D. Eimas   The Perception of Speech in Early
                                  Infancy  . . . . . . . . . . . . . . . . 46--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--58
             Richard J. Wurtman   Alzheimer's Disease  . . . . . . . . . . 62--74
             Walter Greiner and   
             Horst Stöcker   Hot Nuclear Matter . . . . . . . . . . . 76--87
             Robert J. McEliece   The Reliability of Computer Memories . . 88--92, 94--95
            John M. Gosline and   
                M. Edwin DeMont   Jet-Propelled Swimming in Squids . . . . 96--103
              Vernard Foley and   
              George Palmer and   
                  Werner Soedel   The Crossbow . . . . . . . . . . . . . . 104--110
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 112--119
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 252, Number 2, February, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--17
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 18--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--33
           Robert L. Wesson and   
              Robert E. Wallace   Predicting the Next Great Earthquake in
                                  California . . . . . . . . . . . . . . . 35--43
                 B. E. Schaefer   Gamma-ray bursters . . . . . . . . . . . 40--46
           John E. Donelson and   
               Mervyn J. Turner   How the Trypanosome Changes its Coat . . 44--51
            Bradley E. Schaefer   Gamma-Ray Bursters . . . . . . . . . . . 52--58
                      Anonymous   Science and the Citizen  . . . . . . . . 60--69
             Bernard H. Lavenda   Brownian Motion  . . . . . . . . . . . . 70--85 (Intl. ed. 56--67)
            T. H. Clutton-Brock   Reproductive Success in Red Deer . . . . 86--92
                   Eli Brookner   Phased-Array Radars  . . . . . . . . . . 94--102 (Intl. ed. 76--84)
                 Gerald E. Loeb   The Functional Replacement of the Ear    104--111
             Oleg D. Sherby and   
              Jeffrey Wadsworth   Damascus Steels  . . . . . . . . . . . . 112--120
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 252, Number 3, March, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--23
                  A. K. Dewdney   Computer Recreations: a Core War
                                  bestiary of viruses, worms and other
                                  threats to computer memories . . . . . . 14--23
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 27--35
          David Hafemeister and   
             Joseph J. Romm and   
                   Kosta Tsipis   The Verification of Compliance with
                                  Arms-Control Agreements  . . . . . . . . 38--45
                Ronald G. Prinn   The Volcanoes and Clouds of Venus  . . . 46--53 (Intl. ed. 36--43)
             Carlo M. Croce and   
                   George Klein   Chromosome Translocations and Human
                                  Cancer . . . . . . . . . . . . . . . . . 54--60
                      Anonymous   Science and the Citizen  . . . . . . . . 62--72
         Daniel Z. Freedman and   
        Peter van Nieuwenhuizen   The Hidden Dimensions of Spacetime . . . 74--81
                  Hal Whitehead   Why Whales Leap  . . . . . . . . . . . . 84--93
                   R. J. Mercer   A Neolithic Fortress and Funeral Center  94--101
          S. Thomas Picraux and   
                 Paul S. Peercy   Ion Implantation of Surfaces . . . . . . 102--113
                     Eric Block   The Chemistry of Garlic and Onions . . . 114--118
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 252, Number 4, April, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--18
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 20--30
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 35--41
          Daniel R. Vining, Jr.   The Growth of Core Regions in the Third
                                  World  . . . . . . . . . . . . . . . . . 42--49
            Gregory E. Vink and   
            W. Jason Morgan and   
                  Peter R. Vogt   The Earth's Hot Spots  . . . . . . . . . 50--57
                Yves Dunant and   
            Maurice Israël   The Release of Acetylcholine . . . . . . 58--66
                      Anonymous   Science and the Citizen  . . . . . . . . 70--83
                    Chris Quigg   Elementary Particles and Forces  . . . . 84--95
                  Alex L. Shigo   Compartmentalization of Decay in Trees   96--103
                  Don Mathewson   The clouds of Magellan . . . . . . . . . 106--114
            Peter M. Winter and   
                 John N. Miller   Anesthesiology . . . . . . . . . . . . . 124--131
              W. Garrett Scaife   The Parsons Steam Turbine  . . . . . . . 132--139
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 140--144
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146

Scientific American
Volume 252, Number 5, May, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 18--30
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 32--43
           Edward E. David, Jr.   The Federal Support of Mathematics . . . 45--51
                G. Nigel Godson   Molecular Approaches to Malaria Vaccines 52--59
              Hans A. Bethe and   
                   Gerald Brown   How a Supernova Explodes . . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--87
                R. M. Hazen and   
                   L. W. Finger   Crystals at high pressure  . . . . . . . 84--91
            Frank V. Kosikowski   Cheese . . . . . . . . . . . . . . . . . 88--92
               James N. Cameron   Molting in the Blue Crab . . . . . . . . 102--109
            Robert M. Hazen and   
                Larry W. Finger   Crystals at High Pressure  . . . . . . . 110--117
                   Hans Wallach   Perceiving a Stable Environment  . . . . 118--124
              Gottfried Frenzel   The Restoration of Medieval Stained
                                  Glass  . . . . . . . . . . . . . . . . . 126--135
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144

Scientific American
Volume 252, Number 6, June, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 18--29
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--34
               Wassily Leontief   The Choice of Technology . . . . . . . . 37--45
         Richard L. Edelson and   
                 Joseph M. Fink   The Immunologic Function of Skin . . . . 46--53
              J. M. LoSecco and   
           Frederick Reines and   
                Daniel Sinclair   The Search for Proton Decay  . . . . . . 54--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--76
                   Ivan R. King   Globular Clusters  . . . . . . . . . . . 78--88
             A. G. Cairns-Smith   The First Organisms  . . . . . . . . . . 90--100
           Michael P. Ghiglieri   The Social Ecology of Chimpanzees  . . . 102--113
                A. Trevor Hodge   Siphons in Roman Aqueducts . . . . . . . 114--119
                    Walter Tape   The Topology of Mirages  . . . . . . . . 120--129
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 130--134
                      Anonymous   Bibliography . . . . . . . . . . . . . . 136--136


Scientific American
Volume 253, Number 1, July, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--19
                  A. K. Dewdney   Computer Recreations: a circuitous
                                  odyssey from Robotropolis to the
                                  electronic gates of Silicon Valley . . . 14--19
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 20--29
                C. Arden Miller   Infant Mortality in the U.S. . . . . . . 31--37
      Robert Hamilton Brown and   
             Dale P. Cruikshank   The Moons of Uranus, Neptune and Pluto   38--47 (Intl. ed. 28--37)
         Charles H. Bennett and   
                  Rolf Landauer   The Fundamental Physical Limits of
                                  Computation  . . . . . . . . . . . . . . 48--56 (Intl. ed. 38--46)
                      Anonymous   Science and the Citizen  . . . . . . . . 58--69
        G. Ledyard Stebbins and   
             Francisco J. Ayala   The Evolution of Darwinism . . . . . . . 72--82
          Gary K. Beauchamp and   
             Kunio Yamazaki and   
                Edward A. Boyse   The Chemosensory Recognition of Genetic
                                  Individuality  . . . . . . . . . . . . . 86--92
                Peter M. Warren   Minoan Palaces . . . . . . . . . . . . . 94--103
                     Arie Issar   Fossil Water Under the Sinai-Negev
                                  Peninsula  . . . . . . . . . . . . . . . 104--110 (Intl. ed. 82--88)
              Douglass H. Morse   Milkweeds and their Visitors . . . . . . 112--119
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--126
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 253, Number 2, August, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--24
                  A. K. Dewdney   Computer Recreations: a computer
                                  microscope zooms in for a look at the
                                  most complex object in mathematics . . . 17--21, 24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--31
                William Epstein   A Critical Time for Nuclear
                                  Nonproliferation . . . . . . . . . . . . 33--39
      Stephen W. Carmichael and   
                   Hans Winkler   The Adrenal Chromaffin Cell  . . . . . . 40--49
                Gerd Binnig and   
                Heinrich Rohrer   The Scanning Tunneling Microscope  . . . 50--56 (Intl. ed. 40--46)
                      Anonymous   Science and the Citizen  . . . . . . . . 59--69
               Timothy H. Boyer   The Classical Vacuum . . . . . . . . . . 70--78
             Eric Buffetaut and   
                  Rucha Ingavat   The Mesozoic Vertebrates of Thailand . . 80--87
        Frederick D. Seward and   
            Paul Gorenstein and   
              Wallace H. Tucker   Young Supernova Remnants . . . . . . . . 88--96
                      Uwe Radok   The Antarctic Ice  . . . . . . . . . . . 98--105
             Joel G. Kingsolver   Butterfly Engineering  . . . . . . . . . 106--113
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--118
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 253, Number 3, September, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--15
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 18--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 33--38
           Frank von Hippel and   
          David H. Albright and   
                Barbara G. Levi   Stopping the Production of Fissile
                                  Materials for Weapons  . . . . . . . . . 40--47
          John W. Leibacher and   
            Robert W. Noyes and   
                Juri Toomre and   
                Roger K. Ulrich   Helioseismology  . . . . . . . . . . . . 48--57
           Peter Albersheim and   
                Alan G. Darvill   Oligosaccharins  . . . . . . . . . . . . 58--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--72
               James E. Rothman   The Compartmental Organization of the
                                  Golgi Apparatus  . . . . . . . . . . . . 74--89
                John H. Sinfelt   Bimetallic Catalysts . . . . . . . . . . 90--96, 98
              Robert R. Jackson   A Web-Building Jumping Spider  . . . . . 102--115
              Michael T. Motley   Slips of the Tongue  . . . . . . . . . . 116--127
           Thomas D. Seeley and   
            Joan W. Nowicke and   
           Matthew Meselson and   
           Jeanne Guillemin and   
           Pongthep Akratanakul   Yellow Rain  . . . . . . . . . . . . . . 128--137
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144

Scientific American
Volume 253, Number 4, October, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--27
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 28--47
             Robert A. Weinberg   The Molecules of Life  . . . . . . . . . 48--57
                Gary Felsenfeld   Dna  . . . . . . . . . . . . . . . . . . 58--67
          James E. Darnell, Jr.   Rna  . . . . . . . . . . . . . . . . . . 68--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--86
           Russell F. Doolittle   Proteins . . . . . . . . . . . . . . . . 88--99
              Mark S. Bretscher   The Molecules of the Cell Membrane . . . 100--108
                Klaus Weber and   
                    Mary Osborn   The Molecules of the Cell Matrix . . . . 110--120
                Susumu Tonegawa   The Molecules of the Immune System . . . 122--131
              Solomon H. Snyder   The Molecular Basis of Communication
                                  between Cells  . . . . . . . . . . . . . 132--141
            Michael J. Berridge   The Molecular Basis of Communication
                                  within the Cell  . . . . . . . . . . . . 142--152
              Walter J. Gehring   The Molecular Basis of Development . . . 152--162
                Allan C. Wilson   The Molecular Basis of Evolution . . . . 164--173
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 176--180
                      Anonymous   Bibliography . . . . . . . . . . . . . . 182--184

Scientific American
Volume 253, Number 5, November, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 21--32
                  A. K. Dewdney   Computer Recreations: Exploring the
                                  field of genetic algorithms in a
                                  primordial computer sea full of flibs    21--32
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 34--47
                    John Cairns   The Treatment of Diseases and the War
                                  against Cancer . . . . . . . . . . . . . 51--59
          P. Kevin MacKeown and   
               Trevor C. Weekes   Cosmic Rays from Cygnus X-3  . . . . . . 60--69
           Ernesto Carafoli and   
              John T. Penniston   The Calcium Signal . . . . . . . . . . . 70--78
                      Anonymous   Science and the Citizen  . . . . . . . . 103--115
                David G. Howell   Terranes . . . . . . . . . . . . . . . . 116--125
            Martin E. Feder and   
             Warren W. Burggren   Skin Breathing in Vertebrates  . . . . . 126--142
                 Mark Drela and   
               John S. Langford   Human-Powered Flight . . . . . . . . . . 144--151
                  Robert McIvor   Smart Cards  . . . . . . . . . . . . . . 152--159
                 Jean S. Aigner   Early Arctic Settlements in North
                                  America  . . . . . . . . . . . . . . . . 160--169
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 170--177
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--178

Scientific American
Volume 253, Number 6, December, 1985

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--26
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 30--43
                    Herbert Lin   The development of software for
                                  ballistic-missile defense  . . . . . . . 46--53
        Vladimir V. Shkunov and   
           Boris Ya. Zel'dovich   Optical Phase Conjugation  . . . . . . . 54--59
                Franz Huber and   
                   John Thorson   Cricket Auditory Communication . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 74--83
               Jeffrey Laurence   The Immune System in AIDS  . . . . . . . 84--93
               Peter H. Schultz   Polar Wandering on Mars  . . . . . . . . 94--102
              Daniel Gorenstein   The Enormous Theorem . . . . . . . . . . 104--115
                    Vaclav Smil   China's Food . . . . . . . . . . . . . . 116--124
             Lothar Haselberger   The Construction Plans for the Temple of
                                  Apollo at Didyma . . . . . . . . . . . . 126--132
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 134--145
                      Anonymous   Annual Index . . . . . . . . . . . . . . 146--149
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--150


Scientific American
Volume 254, Number 1, January, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   How Close Encounters with Star Clusters
                                  are Achieved with a Computer Telescope   12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 13--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--25
                  Diane B. Paul   Books  . . . . . . . . . . . . . . . . . 27--31
             James A. Van Allen   Space Science, Space Technology and the
                                  Space Station  . . . . . . . . . . . . . 32--39
                      Leo Sachs   Growth, Differentiation and the Reversal
                                  of Malignancy  . . . . . . . . . . . . . 40--47
             John C. Brandt and   
        Malcolm B. Niedner, Jr.   The Structure of Comet Tails . . . . . . 48--56
                      Anonymous   Science and the Citizen  . . . . . . . . 60--71
                David M. Pepper   Applications of Optical Phase
                                  Conjugation  . . . . . . . . . . . . . . 74--83 (Intl. ed. 56--65)
                  Peter A. Rona   Mineral Deposits from Sea-Floor Hot
                                  Springs  . . . . . . . . . . . . . . . . 84--92 (Intl. ed. 66--74)
            Gerald A. Rosenthal   The Chemical Defenses of Higher Plants   94--99
                      Anonymous   An Inexpensive Homemade Polarimeter Can
                                  Analyze Optically Active Compounds . . . 98
        Robert E. M. Hedges and   
             John A. J. Gowlett   Radiocarbon Dating by Accelerator Mass
                                  Spectrometry . . . . . . . . . . . . . . 100--107 (Intl. ed. 82--89)
        Andrew R. Blaustein and   
              Richard K. O'Hara   Kin Recognition in Tadpoles  . . . . . . 108--116
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 120--125
                      Anonymous   Bibliography . . . . . . . . . . . . . . 126--127

Scientific American
Volume 254, Number 2, February, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
                      Anonymous   The King (a Chess Program) is Dead, Long
                                  Live the King (a Chess Machine)  . . . . 12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 13--21
                  Leon J. Kamin   Books  . . . . . . . . . . . . . . . . . 22--27
              Fred H. Tschirley   Dioxin . . . . . . . . . . . . . . . . . 29--35 (Intl. ed. 21)
           Philippa Marrack and   
                   John Kappler   The T Cell and its Receptor  . . . . . . 36--45
          Vitalii I. Goldanskii   Quantum Chemical Reactions in the Deep
                                  Cold . . . . . . . . . . . . . . . . . . 46--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--64
                 John C. Mutter   Seismic Images of Plate Boundaries . . . 66--75
                Marc Cantin and   
                 Jacques Genest   The Heart as an Endocrine Gland  . . . . 76--81
          Charles G. Sibley and   
                Jon E. Ahlquist   Reconstructing Bird Phylogeny by
                                  Comparing DNA's  . . . . . . . . . . . . 82--92
            Jean-Pierre Protzen   Inca Stonemasonry  . . . . . . . . . . . 94--105
                      Anonymous   A Homemade Device for Testing Particle
                                  Scattering; Experiments in Zero Gravity  98
                 Michael Hoskin   William Herschel and the Making of
                                  Modern Astronomy . . . . . . . . . . . . 106--112
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--118
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 254, Number 3, March, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   How a Pair of Dull-Witted Programs Can
                                  Look Like Geniuses on IQ Tests . . . . . 10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 24--29
              Richard K. Lester   Rethinking Nuclear Power . . . . . . . . 31--39 (Intl. ed. 23--31)
           Edward W. Hones, Jr.   The Earth's Magnetotail  . . . . . . . . 40--47
            Richard M. Lawn and   
                Gordon A. Vehar   The Molecular Genetics of Hemophilia . . 48--54
                      Anonymous   Science and the Citizen  . . . . . . . . 58--65
           J. David Jackson and   
               Maury Tigner and   
               Stanley Wojcicki   Letters: The Superconducting
                                  Supercollider  . . . . . . . . . . . . . 66--77
           J. David Jackson and   
               Maury Tigner and   
               Stanley Wojcicki   The Superconducting Supercollider  . . . 66--77 (Intl. ed. 56--67)
                   K. J. Niklas   Computer-Simulated Plant Evolution . . . 78--86
                 Karl J. Niklas   Computer-Simulated Plant Evolution . . . 78--86
                Ronald A. Finke   Mental Imagery and the Visual System . . 88--95
               Glynis Jones and   
             Kenneth Wardle and   
              Paul Halstead and   
                   Diana Wardle   Crop Storage at Assiros  . . . . . . . . 96--103
                      Anonymous   Methods and Optics of Perceiving Color
                                  in a Black-and-White Grating . . . . . . 100
                Chester R. Kyle   Athletic Clothing  . . . . . . . . . . . 104--110 (Intl. ed. 92)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 112--118
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 254, Number 4, April, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--6
                      Anonymous   A Program for Rotating Hypercubes
                                  Induces Four-Dimensional Dementia  . . . 8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--23
              Salvador E. Luria   Books  . . . . . . . . . . . . . . . . . 24--31
                Miroslav Nincic   Can the U.S. Trust the U.S.S.R.? . . . . 33--41
             Martin Karplus and   
             J. Andrew McCammon   The Dynamics of Proteins . . . . . . . . 42--51 (Intl. ed. 30)
           Bertrand I. Halperin   The Quantized Hall Effect  . . . . . . . 52--60
                      Anonymous   Science and the Citizen  . . . . . . . . 62--73
                 Owen Gingerich   Islamic Astronomy  . . . . . . . . . . . 74--83
               Eberhard Gwinner   Internal Rhythms in Bird Migration . . . 84--92
               Dana Z. Anderson   Optical Gyroscopes . . . . . . . . . . . 94--99 (Intl. ed. 86)
               Dana Z. Anderson   Optical Gyroscopes . . . . . . . . . . . 94--99
           Hugo Lagercrantz and   
            Theodore A. Slotkin   The ``Stress'' of Being Born . . . . . . 100--107
               Don Smithers and   
               Klaus Wogram and   
                   John Bowsher   Playing the Baroque Trumpet  . . . . . . 108--115
                      Anonymous   Wonders with the Retroreflector, a
                                  Mirror that Removes Distortion from a
                                  Light Beam . . . . . . . . . . . . . . . 112
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 118--123
                      Anonymous   Bibliography . . . . . . . . . . . . . . 124--124

Scientific American
Volume 254, Number 5, May, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 5--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   Branching Phylogenies of the Paleozoic
                                  and the Fortunes of English Family Names 12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 13--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--27
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 29--35
        Mickey S. Eisenberg and   
           Lawrence Bergner and   
        Alfred P. Hallstrom and   
             Richard O. Cummins   Sudden Cardiac Death . . . . . . . . . . 37--43
            Sen-itiroh Hakomori   Glycosphingolipids . . . . . . . . . . . 44--53
              Robert M. Haberle   The Climate of Mars  . . . . . . . . . . 54--62 (Intl. ed. 42--50)
                      Anonymous   Science and the Citizen  . . . . . . . . 66--73
            James H. Aubert and   
          Andrew M. Kraynik and   
                  Peter B. Rand   Aqueous Foams  . . . . . . . . . . . . . 74--82
              T. G. Philips and   
                 D. B. Rutledge   Superconducting tunnel detectors in
                                  radio astronomy  . . . . . . . . . . . . 79--84
         Stephen J. O'Brien and   
             David E. Wildt and   
                  Mitchell Bush   The Cheetah in Genetic Peril . . . . . . 84--92
         Thomas G. Phillips and   
              David B. Rutledge   Superconducting Tunnel Detectors in
                                  Radio Astronomy  . . . . . . . . . . . . 96--102
                      Anonymous   Wire that ``Remembers'' its Shape is Put
                                  to Work Running an Engine  . . . . . . . 102
                 Marek Zvelebil   Postglacial Foraging in the Forests of
                                  Europe . . . . . . . . . . . . . . . . . 104--115
                 Sandra Herbert   Darwin as a Geologist  . . . . . . . . . 116--123
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 124--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 254, Number 6, June, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                      Anonymous   Casting a Net on a Checkerboard and
                                  Other Puzzles of the Forest  . . . . . . 14
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 16--23
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 24--31
             Eric D. Larson and   
               Marc H. Ross and   
             Robert H. Williams   Beyond the Era of Materials  . . . . . . 34--41
               Richard O. Hynes   Fibronectins . . . . . . . . . . . . . . 42--51
            Howard E. Haber and   
                 Gordon L. Kane   Is Nature Supersymmetric?  . . . . . . . 52--60
                      Anonymous   Science and the Citizen  . . . . . . . . 62--72
                Colin S. Ramage   El Niño . . . . . . . . . . . . . . . . . 76--83
         Thomas F. Robinson and   
          Stephen M. Factor and   
          Edmund H. Sonnenblick   The Heart as a Suction Pump  . . . . . . 84--91
                  Gerald Borgia   Sexual Selection in Bowerbirds . . . . . 92--100
                      Anonymous   Mirrors Make a Maze so Bewildering that
                                  the Explorer Must Rely on a Map  . . . . 98
  Vilayanur S. Ramachandran and   
               Stuart M. Anstis   The Perception of Apparent Motion  . . . 102--109
           Peter M. Moretti and   
                Louis V. Divone   Modern Windmills . . . . . . . . . . . . 110--116, 118 (Intl. ed. 88)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 120--126
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128


Scientific American
Volume 255, Number 1, July, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--15
                      Anonymous   A Sublime Flight of Fancy over a
                                  Deserted Data Base . . . . . . . . . . . 12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--31
                C. Wiley Hinman   Potential New Crops  . . . . . . . . . . 32--37
                  Jack O. Burns   Very large structures in the Universe    38--47
          Ronald C. Kennedy and   
          Joseph L. Melnick and   
             Gordon R. Dreesman   Anti-Idiotypes and Immunity  . . . . . . 48--56
                      Anonymous   Science and the Citizen  . . . . . . . . 58--68
                   Peter Molnar   The Structure of Mountain Ranges . . . . 70--79
             J. H. Hamilton and   
                   J. A. Maruhn   Exotic Atomic Nuclei . . . . . . . . . . 80--89
           Frank A. Geldard and   
               Carl E. Sherrick   Space, Time and Touch  . . . . . . . . . 90--95
             Ralph Norman Haber   Flight Simulation  . . . . . . . . . . . 96--103
                 Neil F. Hadley   The Arthropod Cuticle  . . . . . . . . . 104--112
                      Anonymous   Exotic Patterns Appear in Water When it
                                  is Freezing or Melting . . . . . . . . . 108
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--119
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 255, Number 2, August, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   Digital Prestidigitation: The Fine Art
                                  of Magic and Illusion by Computer  . . . 10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 17--25
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--31
                John Prados and   
                Joel S. Wit and   
        Michael J. Zagurek, Jr.   The Strategic Nuclear Forces of Britain
                                  and France . . . . . . . . . . . . . . . 33--41
                David R. Nelson   Quasicrystals  . . . . . . . . . . . . . 42--51
                      Alan Fine   Transplantation in the Central Nervous
                                  System . . . . . . . . . . . . . . . . . 52--58B
                      Anonymous   Science and the Citizen  . . . . . . . . 62--67
         R. Stephen Craxton and   
          Robert L. McCrory and   
                 John M. Soures   Progress in Laser Fusion . . . . . . . . 68--79
            Paul C. Mangelsdorf   The Origin of Corn . . . . . . . . . . . 80--86
             George E. Williams   The Solar Cycle in Precambrian Time  . . 88--96
             Charles C. Coutant   Thermal Niches of Striped Bass . . . . . 98--104
                 Norman Hammond   The Emergence of Maya Civilization . . . 106--115
                      Anonymous   Retracing the Steps by which Aluminum
                                  Metal was Initially Purified back in
                                  1886 . . . . . . . . . . . . . . . . . . 108
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 116--119
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 255, Number 3, September, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--23
                      Anonymous   Wallpaper for the Mind: Computer Images
                                  That Are Almost, But Not Quite,
                                  Repetitive . . . . . . . . . . . . . . . 14
               Lester C. Thurow   Books  . . . . . . . . . . . . . . . . . 24--31
          Kenneth R. Foster and   
                  Arthur W. Guy   The Microwave Problem  . . . . . . . . . 32--39 (Intl. ed. 28--35)
              Dennis H. Rouvray   Predicting Chemistry from Topology . . . 40--47
               Michael B. Green   Superstrings . . . . . . . . . . . . . . 44--56
                      Anonymous   Science and the Citizen  . . . . . . . . 64--71
          Gary W. Goldstein and   
                 A. Lorris Betz   The Blood-Brain Barrier  . . . . . . . . 74--83
              Philippe Brou and   
         Thomas R. Sciascia and   
             Lynette Linden and   
              Jerome Y. Lettvin   The Colors of Things . . . . . . . . . . 84--91
          Francesco Paresce and   
                  Stuart Bowyer   The Sun and the Interstellar Medium  . . 92--99
            Joyce R. Richardson   Brachiopods  . . . . . . . . . . . . . . 100--106
              Vernard Foley and   
                  Werner Soedel   Leonardo's Contributions To Theoretical
                                  Mechanics  . . . . . . . . . . . . . . . 108--113 (Intl. ed. 104)
                      Anonymous   Rainbow Holograms, Unlike Conventional
                                  Ones, Can be Observed in Ordinary Light  110
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--119
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 255, Number 4, October, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--19
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--19
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 20--28
                      Anonymous   The Compleat Computer Caricaturist and a
                                  Whimsical Tour of Face Space . . . . . . 20
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 30--49
              Joel P. Clark and   
             Merton C. Flemings   Advanced Materials and the Economy . . . 50--57
                   John S. Mayo   Materials for Information and
                                  Communication  . . . . . . . . . . . . . 58--65
            Morris A. Steinberg   Materials for Aerospace  . . . . . . . . 66--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--91
            W. Dale Compton and   
             Norman A. Gjostein   Materials for Ground Transportation  . . 92--100
           Robert A. Fuller and   
              Jonathan J. Rosen   Materials for Medicine . . . . . . . . . 96--103
        Richard S. Claassen and   
             Louis A. Girifalco   Materials for Energy Utilization . . . . 102--117
           Robert A. Fuller and   
              Jonathan J. Rosen   Materials for Medicine . . . . . . . . . 118--125 (Intl. ed. 96)
           Robert A. Fuller and   
              Jonathan J. Rosen   Materials for Medicine . . . . . . . . . 119--125
                Gerald L. Liedl   The Science of Materials . . . . . . . . 126--134
              Praveen Chaudhari   Electronic and Magnetic Materials  . . . 136--144
                   J. M. Rowell   Photonic Materials . . . . . . . . . . . 146--157
                Bernard H. Kear   Advanced Metals  . . . . . . . . . . . . 158--167
                  Kent H. Bowen   Advanced Ceramics  . . . . . . . . . . . 168--176
                      Eric Baer   Advanced Polymers  . . . . . . . . . . . 178--190
                      Anonymous   Cracks in a Surface Look Intricately
                                  Random But Actually Develop Rather
                                  Systematically . . . . . . . . . . . . . 178
               Tsu-Wei Chou and   
          Roy L. McCullough and   
                 R. Byron Pipes   Composites . . . . . . . . . . . . . . . 192--203
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 204--209
                      Anonymous   Bibliography . . . . . . . . . . . . . . 210--212

Scientific American
Volume 255, Number 5, November, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                      Anonymous   Star Trek Emerges from the Underground
                                  to a Place in the Home-Computer Arcade   12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--18
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 20--26
                William C. Baer   The Shadow Market in Housing . . . . . . 29--35
          Richard P. Laeser and   
      William I. McLaughlin and   
                 Donna M. Wolff   Engineering Voyager 2's Encounter with
                                  Uranus . . . . . . . . . . . . . . . . . 36--45 (Intl. ed. 34--43)
          William E. Carter and   
           Douglas S. Robertson   Studying the Earth by Very-Long-Baseline
                                  Interferometry . . . . . . . . . . . . . 46--54 (Intl. ed. 44--52)
                      Anonymous   Science and the Citizen  . . . . . . . . 54--63
                 Thomas R. Cech   RNA as an Enzyme . . . . . . . . . . . . 64--75
         Martinus J. G. Veltman   The Higgs Boson  . . . . . . . . . . . . 76--84
          Joseph T. Eastman and   
              Arthur L. DeVries   Antarctic Fishes . . . . . . . . . . . . 106--114
                  Anne Treisman   Features and Objects in Visual
                                  Processing . . . . . . . . . . . . . . . 114--125
                      Anonymous   The Hyperscope and the Pseudoscope Aid
                                  Experiments on Three-Dimensional Vision  124
         Lawrence S. Lerner and   
             Edward A. Gosselin   Galileo and the Specter of Bruno . . . . 126--133
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 134--138
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140

Scientific American
Volume 255, Number 6, December, 1986

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--20
                      Anonymous   Computer Graphics at Pixar, of Fractal
                                  Mountains, Graftal Plants and Other
                                  \ldots . . . . . . . . . . . . . . . . . 14
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--37
                Donald W. Light   Corporate Medicine for Profit  . . . . . 38--45
       James P. Crutchfield and   
            J. Doyne Farmer and   
          Norman H. Packard and   
                 Robert S. Shaw   Chaos  . . . . . . . . . . . . . . . . . 46--57 (Intl. ed. 38--49)
             Lawrence M. Krauss   Dark matter in the Universe  . . . . . . 58--68
                      Anonymous   Science and the Citizen  . . . . . . . . 72--86
                Robert C. Gallo   The First Human Retrovirus . . . . . . . 88--98
             Richard H. Masland   The Functional Architecture of the
                                  Retina . . . . . . . . . . . . . . . . . 102--111
           Michael L. Evans and   
                Randy Moore and   
          Karl-Heinz Hasenstein   How Roots Respond to Gravity . . . . . . 112--119
             Alec N. Brooks and   
            Allan V. Abbott and   
            David Gordon Wilson   Human-Powered Watercraft . . . . . . . . 120--130
                      Anonymous   Methods for Going Through a Maze Without
                                  Becoming Lost or Confused  . . . . . . . 124
            Donald J. Watts and   
             Carol Martin Watts   A Roman Apartment Complex  . . . . . . . 132--138
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 140--151
                      Anonymous   Annual Index . . . . . . . . . . . . . . 147--151
                      Anonymous   Bibliography . . . . . . . . . . . . . . 152--152


Scientific American
Volume 256, Number 1, January, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--20
                  A. K. Dewdney   Computer Recreations: a program called
                                  MICE nibbles its way to victory at the
                                  first Core War tournament  . . . . . . . 14--20 (Intl. ed. 8)
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--27
              Lynn R. Sykes and   
                   Dan M. Davis   The Yields of Soviet Strategic Weapons   29--37
            Andrew P. Ingersoll   Uranus . . . . . . . . . . . . . . . . . 38--45 (Intl. ed. 30--37)
                Robert C. Gallo   The AIDS Virus . . . . . . . . . . . . . 47--56 (Intl. ed. 38)
                      Anonymous   Science and the Citizen  . . . . . . . . 58--59
             James L. Gould and   
                   Peter Marler   Learning by Instinct . . . . . . . . . . 74--85
            Terry R. Penney and   
              Desikan Bharathan   Power from the Sea . . . . . . . . . . . 86--92 (Intl. ed. 74--80)
              Leonard M. Sander   Fractal Growth . . . . . . . . . . . . . 94--100
               Michael L. Ryder   The Solution of the Fleece . . . . . . . 100
                  Marc J. Ostro   Liposomes  . . . . . . . . . . . . . . . 103--110
                      Anonymous   Reflections from a Water Surface Display
                                  Some Curious Properties  . . . . . . . . 108
               Michael L. Ryder   The Evolution of the Fleece  . . . . . . 112--119
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 120--126
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 256, Number 2, February, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   The Game Life Acquires Some Successors
                                  in Three Dimensions  . . . . . . . . . . 8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations: The Game of Life
                                  Acquires some Successors in Three
                                  Dimensions . . . . . . . . . . . . . . . 16--17, 20--22, 24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--34
               Robert Day Allen   The Microtubule as an Intracellular
                                  Engine . . . . . . . . . . . . . . . . . 26
                 J. Larry Brown   Hunger in the U.S. . . . . . . . . . . . 36--41
               Robert Day Allen   The Microtubule as an Intracellular
                                  Engine . . . . . . . . . . . . . . . . . 42--49
                   Jacob Shaham   The oldest pulsars in the Universe . . . 50--56
                      Anonymous   Science and the Citizen  . . . . . . . . 58--89
              Franklin W. Stahl   Genetic Recombination  . . . . . . . . . 90--101
                      Anonymous   The Secret of a Microwave Oven's Rapid
                                  Cooking Action is Disclosed  . . . . . . 98
           Mordehai Heiblum and   
              Lester F. Eastman   Ballistic Electrons in Semiconductors    102--111
             C. Hans Nelson and   
                Kirk R. Johnson   Whales and Walruses as Tillers of the
                                  Sea Floor  . . . . . . . . . . . . . . . 112--117
           Jonathan R. Cole and   
              Harriet Zuckerman   Marriage, Motherhood and Research
                                  Performance in Science . . . . . . . . . 119--125
             Max V. Mathews and   
                 John R. Pierce   The Computer as a Musical Instrument . . 126--133 (Intl. ed. 90--97)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 134--138
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140

Scientific American
Volume 256, Number 3, March, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   Braitenberg Memoirs: Vehicles for
                                  Probing Behavior Roam a Dark Plain
                                  Marked by Lights . . . . . . . . . . . . 8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--24
                  A. K. Dewdney   Computer Recreations: Braitenberg
                                  Memoirs --- Vehicles for probing
                                  behavior roam a dark plain marked by
                                  lights . . . . . . . . . . . . . . . . . 16--24
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 26--33
             Frank R. Vellutino   Dyslexia . . . . . . . . . . . . . . . . 34--41
             James M. Hogle and   
                 Marie Chow and   
                David J. Filman   The Structure of Poliovirus  . . . . . . 42--49
        William D. Phillips and   
              Harold J. Metcalf   Cooling and Trapping Atoms . . . . . . . 50--56
                      Anonymous   Science and the Citizen  . . . . . . . . 58--75
                J. F. Power and   
                  R. F. Follett   Monoculture  . . . . . . . . . . . . . . 78--86
       Yaser S. Abu-Mostafa and   
                Demetri Psaltis   Optical Neural Computers . . . . . . . . 88--95 (Intl. ed. 66--73)
       Yaser S. Abu-Mostafa and   
                Demetri Psaltis   Optical Neural Computers . . . . . . . . 88--95
                 Enrico Bonatti   The Rifting of Continents  . . . . . . . 96--103
                      Anonymous   Calculating the Distance to the Sun by
                                  Observing the Trail of a Meteor  . . . . 100
                 Bernd Heinrich   Thermoregulation in Winter Moths . . . . 104--111
           T. Douglas Price and   
           Erik Brinch Petersen   A Mesolithic Camp in Denmark . . . . . . 112--121
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--126
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 256, Number 4, April, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--4
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--6
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
                      Anonymous   The Sound of Computing is Music to the
                                  Ears of Some . . . . . . . . . . . . . . 10
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 14--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--29
             Theodore B. Taylor   Third-Generation Nuclear Weapons . . . . 30--39
             Theodore B. Taylor   Third-Generation Nuclear Weapons . . . . 30--39
           Julie L. Schnapf and   
                Denis A. Baylor   How Photoreceptor Cells Respond to Light 40--47 (Intl. ed. 32--39)
        Torrence V. Johnson and   
      Robert Hamilton Brown and   
          Laurence A. Soderblom   The Moons of Uranus  . . . . . . . . . . 48--60 (Intl. ed. 40--52)
                      Anonymous   Science and the Citizen  . . . . . . . . 62--74
           Martin S. Hirsch and   
                 Joan C. Kaplan   Antiviral Therapy  . . . . . . . . . . . 76--85
             Yoshihiro Hamakawa   Photovoltaic Power . . . . . . . . . . . 86--92
           Mark A. S. McMenamin   The Emergence of Animals . . . . . . . . 94--102
                    Sinyan Shen   Acoustics of Ancient Chinese Bells . . . 104--110
                  Nicholas Toth   The First Technology . . . . . . . . . . 112--121
                      Anonymous   Making a Barometer That Works with Water
                                  in Place of Mercury  . . . . . . . . . . 114
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 256, Number 5, May, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                      Anonymous   Of Bulls, Bears and Programs in the Pit  14
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 16--21
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 22--28
               Lester C. Thurow   A Surge in Inequality  . . . . . . . . . 30--37
            Victor E. Viola and   
               Grant J. Mathews   The Cosmic Synthesis of Lithium,
                                  Beryllium and Boron  . . . . . . . . . . 38--45
              Tomaso Poggio and   
                  Christof Koch   Synapses that Compute Motion . . . . . . 46--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--68
           Stephen H. Schneider   Climate Modeling . . . . . . . . . . . . 72--80
             Anthony Cerami and   
             Helen Vlassara and   
               Michael Brownlee   Glucose and Aging  . . . . . . . . . . . 90--96 (Intl. ed. 82)
            James S. Walker and   
               Chester A. Vause   Reappearing Phases . . . . . . . . . . . 98--105 (Intl. ed. 90)
               William C. Davis   The Detonation of Explosives . . . . . . 106--112 (Intl. ed. 98--105)
                      Anonymous   Concerning Disappearances, Including the
                                  Cheshire Cat's Odd Vanishing Act . . . . 114
         James J. Childress and   
              Horst Felbeck and   
               George N. Somero   Symbiosis in the Deep Sea  . . . . . . . 115--120
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--126
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 256, Number 6, June, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
                      Anonymous   Science and the Citizen  . . . . . . . . 18--33
              Michael H. Glantz   Drought in Africa  . . . . . . . . . . . 34--40
          Douglas C. Youvan and   
                 Barry L. Marrs   Molecular Mechanisms of Photosynthesis   42--48
         Andrew D. Jeffries and   
           Peter R. Saulson and   
            Robert E. Spero and   
              Michael E. Zucker   Gravitational Wave Observatories . . . . 50--57, 60
           Mortimer Mishkin and   
                Tim Appenzeller   The Anatomy of Memory  . . . . . . . . . 80--89
                   W. D. Hillis   The Connection Machine . . . . . . . . . 86--93
              Peter Francis and   
                   Stephen Self   Collapsing Volcanoes . . . . . . . . . . 90--97
                Warren M. Zapol   Diving Adaptations of the Weddell Seal   100--105
                      Anonymous   Puzzles in Two and Three Dimensions, and
                                  Ways to Simplify Their Solution  . . . . 100
                      Anonymous   Algopuzzles: Wherein Trains of Thought
                                  Follow Algorithmic Tracks to Solutions   106
               W. Daniel Hillis   The Connection Machine . . . . . . . . . 108--115 (Intl. ed. 86)
            Barton J. Bernstein   The Birth of the U.S. Biological-Warfare
                                  Program  . . . . . . . . . . . . . . . . 116--121
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 122--126
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 128--131
                 Brian M. Fagan   Books  . . . . . . . . . . . . . . . . . 132--135
                      Anonymous   Bibliography . . . . . . . . . . . . . . 136--136


Scientific American
Volume 257, Number 1, July, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
                      Anonymous   Science and the Citizen  . . . . . . . . 16--32
                Julian Szekeley   Can Advanced Technology Save the U.S.
                                  Steel Industry?  . . . . . . . . . . . . 34--41
                  Lubert Stryer   The Molecules of Visual Excitation . . . 42--50
           Jeffrey N. Cuzzi and   
              Larry W. Esposito   The Rings of Uranus  . . . . . . . . . . 52--66 (Intl. ed. 42--48)
               Robert Dolan and   
                     Harry Lins   Beaches and Barrier Islands  . . . . . . 68--77
            Gail S. Habicht and   
               Gregory Beck and   
                Jorge L. Benach   Lyme Disease . . . . . . . . . . . . . . 78--83
            Johann Rafelski and   
                Steven E. Jones   Cold Nuclear Fusion  . . . . . . . . . . 84--89 (Intl. ed. 66--71)
                      Anonymous   Why a Fluid Flows Faster When the Tube
                                  is Pinched . . . . . . . . . . . . . . . 86
                 Karl J. Niklas   Aerodynamics of Wind Pollination . . . . 90--95
                      Anonymous   Probing the Strange Attractions of Chaos 90
                Gus W. Van Beek   Arches and Vaults in the Ancient Near
                                  East . . . . . . . . . . . . . . . . . . 96--103
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 104--107
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 108--111
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 112--115
                      Anonymous   Bibliography . . . . . . . . . . . . . . 116--116

Scientific American
Volume 257, Number 2, August, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 4--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                      Anonymous   Science and the Citizen  . . . . . . . . 14--31
       John S. Letcher, Jr. and   
           John K. Marshall and   
        James C. Oliver III and   
                  Nils Salvesen   Stars & Stripes . . . . . . . . . . . . . 34--40 (Intl. ed. 24)
                 Alan D. Krisch   Collisions Between Spinning Protons  . . 42--50
                David Patterson   The Causes of Down Syndrome  . . . . . . 52--60
              Gordon L. Ada and   
              Sir Gustav Nossal   The Clonal-Selection Theory  . . . . . . 62--69
      Christopher J. Talbot and   
           Martin P. A. Jackson   Salt Tectonics . . . . . . . . . . . . . 70--79 (Intl. ed. 58--67)
            William R. Frensley   Gallium Arsenide Transistors . . . . . . 80--87 (Intl. ed. 68--75)
           Anthony J. Legge and   
          Peter A. Rowley-Conwy   Gazelle Killing in Stone Age Syria . . . 88--95
                      Anonymous   Music and Ammonia Vapor Excite the Color
                                  Pattern of a Soap Film . . . . . . . . . 92
                 Robert W. Shaw   Air Pollution by Particles . . . . . . . 96--103 (Intl. ed. 84--91)
                      Anonymous   Word Ladders and a Tower of Babel Lead
                                  to Computational Heights Defying Assault 96
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 104--107
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 108--111
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 112--115
                      Anonymous   Bibliography . . . . . . . . . . . . . . 116--116

Scientific American
Volume 257, Number 3, September, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
                  Tim Beardsley   Science and the Citizen: Two Steps
                                  Forward ...  . . . . . . . . . . . . . . 18--18
                       T. M. B.   Chemical Warfare . . . . . . . . . . . . 18--22
                    John Horgan   Big-Bang Bashers . . . . . . . . . . . . 22--24
                  Robert Kunzig   All is Flux  . . . . . . . . . . . . . . 24--26
                          J. H.   Currents in Plastics . . . . . . . . . . 26--27
                          J. H.   Plain Sense  . . . . . . . . . . . . . . 27--28
              Gregory Greenwell   Butterfly Catcher  . . . . . . . . . . . 28--29
                          J. H.   High-Tech Horses . . . . . . . . . . . . 29--31
              Elizabeth Collins   Potato Eaters  . . . . . . . . . . . . . 31--31
                          J. H.   Beeboppers . . . . . . . . . . . . . . . 31--32
          C. Kumar N. Patel and   
           Nicolaas Bloembergen   Strategic Defense and Directed-Energy
                                  Weapons  . . . . . . . . . . . . . . . . 31
                          E. C.   Never a Right Age  . . . . . . . . . . . 32--32
                   John Benditt   Bespoke Bactericide  . . . . . . . . . . 32--34
                   Karen Wright   Radical Therapy  . . . . . . . . . . . . 34--34
                  Tim Beardsley   Electric Eyes  . . . . . . . . . . . . . 35--37
                   C. Kumar and   
                   N. Patel and   
           Nicolaas Bloembergen   Strategic Defense and Directed-Energy
                                  Weapons  . . . . . . . . . . . . . . . . 39--45
                  Alan Dressler   The Large-Scale Streaming of Galaxies    46--54
                  Harold Varmus   Reverse Transcription  . . . . . . . . . 56--64
                   James L. Dye   Electrides . . . . . . . . . . . . . . . 66--75 (Intl. ed. 58--67)
          Spencer C. H. Barrett   Mimicry in Plants  . . . . . . . . . . . 76--83
                    Mark Horton   The Swahili Corridor . . . . . . . . . . 86--93 (Intl. ed. 76)
           George A. Miller and   
             Patricia M. Gildea   How Children Learn Words . . . . . . . . 94--99
       Richard E. Balzhiser and   
                 Kurt E. Yeager   Coal-Fired Power Plants for the Future   100--107 (Intl. ed. 92--99)
                      Anonymous   Sticky Threadlike Substances That Tend
                                  to Draw Themselves out into Bead Arrays  100
                      Anonymous   Diverse Personalities Search for Social
                                  Equilibrium at a Computer Party  . . . . 104
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 108--111
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 112--115
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 116--119
                      Anonymous   Bibliography . . . . . . . . . . . . . . 120--120

Scientific American
Volume 257, Number 4, October, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--13
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--24
                    John Horgan   Science and the Citizen: Back with a
                                  Vengeance  . . . . . . . . . . . . . . . 26--30
                  Tim Beardsley   Animal Passions  . . . . . . . . . . . . 30--30
                          J. H.   Hearts of Darkness . . . . . . . . . . . 30--32
                       T. M. B.   Getting Warmer . . . . . . . . . . . . . 32--34
                 Laurie Burnham   Threat to the Spotted Owl  . . . . . . . 34--36
                       T. M. B.   Sonic Punch  . . . . . . . . . . . . . . 36--36
              Elizabeth Collins   Eyeing Myopia  . . . . . . . . . . . . . 36--36
                       T. M. B.   Skin of Frog ... . . . . . . . . . . . . 36--40
                       T. M. B.   Torn Genes . . . . . . . . . . . . . . . 40--42
                          E. C.   Dysaphrodisiacs  . . . . . . . . . . . . 42--44
                   Karen Wright   The Bad Seed . . . . . . . . . . . . . . 44--44
                       T. M. B.   Back to the Future . . . . . . . . . . . 46--46
              Gregory Greenwell   It's a Dirty Job . . . . . . . . . . . . 47--48
                    John Horgan   But is it Art? . . . . . . . . . . . . . 48--52
                   J. D. Meindl   Chips for advanced computing . . . . . . 54--62
                  Abraham Peled   The Next Computer Revolution . . . . . . 56--64 (Intl. ed. 35--42) (Intl. ed. 34)
                   D. Gelernter   Programming for advanced computing . . . 65--71
            Geoffrey C. Fox and   
                Paul C. Messina   Advanced Computer Architectures  . . . . 66--74 (Intl. ed. 45--52) (Intl. ed. 44)
                James D. Meindl   Chips for Advanced Computing . . . . . . 78--84, 86, 88 (Intl. ed. 54)
                David Gelernter   Programming for Advanced Computing . . . 90--96, 98 (Intl. ed. 64)
                 Mark H. Kryder   Data-Storage Technologies for Advanced
                                  Computing  . . . . . . . . . . . . . . . 116--125 (Intl. ed. 73--81) (Intl. ed. 72)
                 James D. Foley   Interfaces for Advanced Computing  . . . 126--130, 132, 134--135 (Intl. ed. 83--90) (Intl. ed. 82)
                 Robert E. Kahn   Networks for Advanced Computing  . . . . 136--143 (Intl. ed. 128--135)
                   Piet Hut and   
             Gerald Jay Sussman   Advanced Computing for Science . . . . . 144--148, 150--153 (Intl. ed. 137--144) (Intl. ed. 136)
              G. D. Rennets and   
               E. H. Shortliffe   Advanced computing for medicine  . . . . 146--153
           Glenn D. Rennels and   
           Edward H. Shortliffe   Advanced Computing for Medicine  . . . . 154--161 (Intl. ed. 146)
          Albert M. Erisman and   
               Kenneth W. Neves   Advanced Computing for Manufacturing
                                  (aircraft industry)  . . . . . . . . . . 162--169 (Intl. ed. 155--161) (Intl. ed. 154)
                      Anonymous   Now There is Rubik's Magic, a New Puzzle
                                  that Provides a Study in Permutation
                                  Operators  . . . . . . . . . . . . . . . 162
                      Anonymous   ``After Mad'': a Computer Game of
                                  Nuclear Strategy That Ends in a
                                  Prisoner's Dilemma . . . . . . . . . . . 166
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 170--173
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 174--177
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 178--182
                      Anonymous   Bibliography . . . . . . . . . . . . . . 183--184

Scientific American
Volume 257, Number 5, November, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--13
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--39
                  Tim Beardsley   Science and the Citizen: Ozone Watch . . 18--18
                    John Horgan   Odyssey  . . . . . . . . . . . . . . . . 18--22
                          J. H.   Double-Beta Decay  . . . . . . . . . . . 22--24
                          J. H.   DNA Unveiled . . . . . . . . . . . . . . 24--24
                          J. H.   Goethe v. Newton . . . . . . . . . . . . 24--24
                          J. H.   Pluto's Poles  . . . . . . . . . . . . . 24--24
              Elizabeth Collins   Unadvertised Receptivity . . . . . . . . 24--26
                       T. M. B.   Hope for Blighted Bays . . . . . . . . . 26--30
                          E. C.   Stressed Out . . . . . . . . . . . . . . 30--30
                       T. M. B.   Stimulating Recovery . . . . . . . . . . 30--34
                       T. M. B.   One-Stop Medicine  . . . . . . . . . . . 34--34
                          J. H.   Faces, Couches, Cats...  . . . . . . . . 34--38
                       T. M. B.   Aquatic Astronomy  . . . . . . . . . . . 38--39
               Leonard A. Cohen   Diet and Cancer  . . . . . . . . . . . . 42--48
           J. Craig Wheeler and   
             Robert P. Harkness   Helium-Rich Supernovas . . . . . . . . . 50--58
           Andrew W. Murray and   
                Jack W. Szostak   Artificial Chromosomes . . . . . . . . . 62--68
                  Herman Winick   Synchrotron Radiation  . . . . . . . . . 88--99
             Stephen J. O'Brien   The Ancestry of the Giant Panda  . . . . 102--107
             Charles H. Bennett   Demons, Engines and the Second Law . . . 108--116
                      Anonymous   Fluid Interfaces, Including Fractal
                                  Flows, Can be Studied in a Hele--Shaw
                                  Cell . . . . . . . . . . . . . . . . . . 114
                 John M. Howell   Early Farming in Northwestern Europe . . 118--126
                      Anonymous   Beauty and Profundity: The Mandelbrot
                                  Set and a Flock of its Cousins Called
                                  Julia  . . . . . . . . . . . . . . . . . 118
             David A. Greenberg   Modeling Tidal Power . . . . . . . . . . 128--131
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 134--138
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 140--145
                  A. K. Dewdney   Computer Recreations: Beauty and
                                  profundity: the Mandelbrot set and a
                                  flock of its cousins called Julia  . . . 140--145
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 146--149
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--151

Scientific American
Volume 257, Number 6, December, 1987

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                    John Horgan   Science and the Citizen: All Shook up    18--22
                  Tim Beardsley   Computing Cornucopia . . . . . . . . . . 22--22
                       T. M. B.   Scientific Philanthropy  . . . . . . . . 22--26
              Gregory Greenwell   Force of a Different Color . . . . . . . 26--32
                       T. M. B.   Vapor Lock . . . . . . . . . . . . . . . 32--32
                       T. M. B.   Electronic Taskmasters . . . . . . . . . 32--37
                       T. M. B.   A Mild Alternative?  . . . . . . . . . . 37--40
                          J. H.   Flocking Together  . . . . . . . . . . . 40--40
                          J. H.   A Nervous Disposition  . . . . . . . . . 40--44
              Elizabeth Collins   Smoking Gun? . . . . . . . . . . . . . . 44--45
                   Karen Wright   Physiology or Medicine . . . . . . . . . 45--46
                          J. H.   Chemistry  . . . . . . . . . . . . . . . 46--46
                          J. H.   Physics  . . . . . . . . . . . . . . . . 46--46
          James Brian Quinn and   
           Jordan J. Baruch and   
         Penny Cushman Paquette   Technology in Services . . . . . . . . . 50--58
                  S. K. Runcorn   The Moon's Ancient Magnetism . . . . . . 60--68
              Mark S. Bretscher   How Animal Cells Move  . . . . . . . . . 72--90
             Alexander Vilenkin   Cosmic Strings . . . . . . . . . . . . . 94--102
                      Anonymous   How to Capture on Film the Faint Glow
                                  Emitted When Sticky Tape is Peeled off a
                                  Surface  . . . . . . . . . . . . . . . . 94
                      Anonymous   Simple Special Effects Illustrate the
                                  Art of Converting Algorithms into
                                  Programs . . . . . . . . . . . . . . . . 98
              David W. Tank and   
               John J. Hopfield   Collective Computation in Neuron-Like
                                  Circuits . . . . . . . . . . . . . . . . 104--114 (Intl. ed. 62--70)
                    David Crews   Courtship in Unisexual Lizards: a Model
                                  for Brain Evolution  . . . . . . . . . . 116--121
         Terry A. Michalske and   
                Bruce C. Bunker   The Fracturing of Glass  . . . . . . . . 122--129 (Intl. ed. 78--85)
                Walter Brownlee   H.M.S. Warrior . . . . . . . . . . . . . 130--136
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--141
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 142--147
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 148--157
                      Anonymous   Bibliography . . . . . . . . . . . . . . 158--158


Scientific American
Volume 258, Number 1, January, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   Errata . . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
                    John Horgan   Science and the Citizen: Twice Burned    16--16
                          J. H.   The Crash  . . . . . . . . . . . . . . . 16--17
                 June Kinoshita   ``Neural Darwinism'' . . . . . . . . . . 17--18
                          J. H.   Phasing In . . . . . . . . . . . . . . . 18--20
                          J. H.   Cosmic Complex . . . . . . . . . . . . . 20--21
                  Tim Beardsley   Optimalists Under Fire . . . . . . . . . 21--22
                          J. H.   The Nautilus and the Bomb  . . . . . . . 22--23
                  Ricki Rusting   The 57th Variety . . . . . . . . . . . . 23--23
                 Laurie Burnham   Alzheimer's Proteins . . . . . . . . . . 23--24
                       T. M. B.   Heavy Metal  . . . . . . . . . . . . . . 24--26
                       T. M. B.   Flat Out . . . . . . . . . . . . . . . . 26--26
           Richard S. Stolarski   The Antarctic Ozone Hole . . . . . . . . 30--36
          John Ding-E Young and   
                 Zanvil A. Cohn   How Killer Cells Kill  . . . . . . . . . 38--44
                  Abner Shimony   The Reality of the Quantum World . . . . 46--53
      Kenneth I. Kellermann and   
            A. Richard Thompson   The Very-Long-Baseline Array . . . . . . 54--63
            Michael H. Horn and   
                Robin N. Gibson   Intertidal Fishes  . . . . . . . . . . . 64--70
           Gunter K. Muecke and   
              Peter Möller   The Not-So-Rare Earths . . . . . . . . . 72--77
        Margaret S. Livingstone   Art, Illusion and the Visual System  . . 78--85
                      Anonymous   What Explains Subjective-Contour
                                  Illusions, Those Bright Spots That are
                                  not Really There?  . . . . . . . . . . . 84
                John W. Coltman   The Transformer  . . . . . . . . . . . . 86--95
                      Anonymous   Nanotechnology: Wherein Molecular
                                  Computers Control Tiny Circulatory
                                  Submarines . . . . . . . . . . . . . . . 88
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 96--99
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 100--103
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 104--107
                      Anonymous   Annual Index . . . . . . . . . . . . . . 108--111
                      Anonymous   Biblography: Bibliography  . . . . . . . 112--112

Scientific American
Volume 258, Number 2, February, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  Tim Beardsley   Science and the Citizen: Science at the
                                  Summit . . . . . . . . . . . . . . . . . 17--17
                    John Horgan   Paleolithic Compassion . . . . . . . . . 17--20
                       T. M. B.   As California Goes ... . . . . . . . . . 20--22
              Gregory Greenwell   A Light Matter . . . . . . . . . . . . . 22--22
                          J. H.   Cosmic Mirage  . . . . . . . . . . . . . 22--24
                   Gordon Graff   In from the Cold . . . . . . . . . . . . 24--24
                Tim Appenzeller   Darwin in Miniature  . . . . . . . . . . 26--26
                 Laurie Burnham   Off and Running  . . . . . . . . . . . . 26--26
                          J. H.   Fractal Shorthand  . . . . . . . . . . . 28--28
              Elizabeth Collins   Wave Watch . . . . . . . . . . . . . . . 28--31
                Robert K. Adair   A Flaw in a Universal Mirror . . . . . . 30--36
                   John Benditt   Ritual on Wheels . . . . . . . . . . . . 31--32
                          E. C.   Exonerating Sodium . . . . . . . . . . . 32--32
                       T. M. B.   New Genes for Old  . . . . . . . . . . . 32--34
                       T. M. B.   Supertests . . . . . . . . . . . . . . . 34--35
                   Karen Wright   Flying Blind . . . . . . . . . . . . . . 35--36
                  Ray White and   
              Jean-Marc Lalouel   Chromosome Mapping with DNA Markers  . . 40--48
                Robert K. Adair   A Flaw in a Universal Mirror . . . . . . 50--56
                      Anonymous   The Feathery Wake of a Moving Boat is a
                                  Complex Interference Pattern . . . . . . 80
              David I. Gottlieb   GABAergic Neurons  . . . . . . . . . . . 82--89
                      Anonymous   A Blind Watchmaker Surveys the Land of
                                  Biomorphs  . . . . . . . . . . . . . . . 84
           James F. Kasting and   
               Owen B. Toon and   
               James B. Pollack   How Climate Evolved on the Terrestrial
                                  Planets  . . . . . . . . . . . . . . . . 90--97
               Steven N. Austad   The Adaptable Opossum  . . . . . . . . . 98--104
           Richard B. Kaner and   
             Alan G. MacDiarmid   Plastics that Conduct Electricity  . . . 106--111 (Intl. ed. 60--65)
        Jonathan M. Borwein and   
               Peter B. Borwein   Ramanujan and Pi . . . . . . . . . . . . 112--117
                  Colin McEvedy   The Bubonic Plague . . . . . . . . . . . 118--123
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 124--127
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 128--131
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 132--135
                      Anonymous   Biblography: Bibliography  . . . . . . . 136--136

Scientific American
Volume 258, Number 3, March, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
                    John Horgan   Science and the Citizen: Poisoning the
                                  Air  . . . . . . . . . . . . . . . . . . 17--18
                   John Benditt   Cousins or Brothers? . . . . . . . . . . 18--18
                          J. H.   Civil Defense  . . . . . . . . . . . . . 18--20
              Elizabeth Collins   Where's Rover? . . . . . . . . . . . . . 20--24
                  Tim Beardsley   Sex Switch . . . . . . . . . . . . . . . 24--24
               Steven D. Mirsky   Solar Polar Bears  . . . . . . . . . . . 24--26
                   Tom Stefanik   The Nonacoustic Detection of Submarines  25
                          J. H.   Shedding Light . . . . . . . . . . . . . 26--28
              Gregory Greenwell   Freezing Ions  . . . . . . . . . . . . . 28--28
                Tim Appenzeller   Seeing Red . . . . . . . . . . . . . . . 32--32
                 Ari W. Epstein   Decoy  . . . . . . . . . . . . . . . . . 32--34
                       T. M. B.   Dial-A-Doc . . . . . . . . . . . . . . . 34--35
                 Laurie Burnham   Setting the Pace . . . . . . . . . . . . 35--37
                          J. H.   Optrodes . . . . . . . . . . . . . . . . 37--37
                    John Horgan   Star-Crossed . . . . . . . . . . . . . . 37--39
                  Tom Stefanick   The Nonacoustic Detection of Submarines  41--47
              Terry Goldman and   
          Richard J. Hughes and   
           Michael Martin Nieto   Gravity and Antimatter . . . . . . . . . 48--56
          Richard A. Lerner and   
             Alfonso Tramontano   Catalytic Antibodies . . . . . . . . . . 58--70
        Lawrence K. Shapiro and   
              Howard I. Shapiro   Construction Cranes  . . . . . . . . . . 72--79
                James D. Murray   How the Leopard Gets its Spots . . . . . 80--87
                 Rose E. Frisch   Fatness and Fertility  . . . . . . . . . 88--95
                      Anonymous   Why Sidespin Helps the Bowler to Keep
                                  Scoring Strikes  . . . . . . . . . . . . 92
                 Robert T. Bate   The Quantum-Effect Device: Tomorrow's
                                  Transistor?  . . . . . . . . . . . . . . 96--100
                      Anonymous   A Home Computer Laboratory in Which
                                  Balls Become Gases, Liquids and Critical
                                  Masses . . . . . . . . . . . . . . . . . 96
         Anna Marguerite McCann   The Roman Port of Cosa . . . . . . . . . 102--109
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 110--113
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 114--117
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 118--121
                      Anonymous   Biblography: Bibliography  . . . . . . . 122--123

Scientific American
Volume 258, Number 4, April, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
                    John Horgan   Science and the Citizen: Intelligence
                                  Test . . . . . . . . . . . . . . . . . . 18--20
                  Tim Beardsley   Pie in the Sky?  . . . . . . . . . . . . 20--20
                          J. H.   Cosmic Forgery . . . . . . . . . . . . . 20--24
                Tim Appenzeller   Deeply Moved . . . . . . . . . . . . . . 24--26
                 Ari W. Epstein   Paste and Cut  . . . . . . . . . . . . . 26--26
                   Karen Wright   New Kinship for Old Cells  . . . . . . . 26--28
                       T. M. B.   Creatures of the Quarry  . . . . . . . . 28--30
                   John Benditt   The Oldest Glory . . . . . . . . . . . . 30--30
                          J. H.   Welfare's Worth  . . . . . . . . . . . . 30--32
                       T. M. B.   Damage Control . . . . . . . . . . . . . 32--36
                 June Kinoshita   Virtue in Viruses  . . . . . . . . . . . 36--36
                       T. M. B.   Now there are Three  . . . . . . . . . . 36--37
                          J. H.   Self-Destruct  . . . . . . . . . . . . . 37--37
                  Tim Beardsley   Star-Struck? . . . . . . . . . . . . . . 37--40
              Pierre Boulez and   
                  Andrew Gerzso   Computers in Music . . . . . . . . . . . 44--50 (Intl. ed. 26--32)
                  Irun R. Cohen   The Self, the World and Autoimmunity . . 52--60
           Richard H. Price and   
                  Kip S. Thorne   The Membrane Paradigm for Black Holes    69--77
        Arthur H. Rosenfeld and   
              David Hafemeister   Energy-Efficient Buildings . . . . . . . 78--85
           Phyllis B. Moses and   
                   Nam-Hai Chua   Light Switches for Plant Genes . . . . . 88--93
                      Anonymous   How to Map Electrically Charged Patches
                                  with Parsley, Sage, Rosemary and Thyme   92
          Franck Laloë and   
                  Jack H. Freed   The Effects of Spin in Gases . . . . . . 94--101
                      Anonymous   An Ancient Rope-and-Pulley Computer is
                                  Unearthed in the Jungle of Apraphul  . . 96
              Bernd Würsig   The Behavior of Baleen Whales  . . . . . 102--107
          Howard M. Lenhoff and   
              Sylvia G. Lenhoff   Trembley's Polyps  . . . . . . . . . . . 108--113
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--117
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 118--121
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 122--126
                      Anonymous   Biblography: Bibliography  . . . . . . . 128--128

Scientific American
Volume 258, Number 5, May, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                    John Horgan   Science and the Citizen: The Violent
                                  Yanomamö  . . . . . . . . . . . . . . . . 17--18
                  Tim Beardsley   Star Games . . . . . . . . . . . . . . . 18--22
                       T. M. B.   Embarrassment of Riches  . . . . . . . . 22--22
                          J. H.   Shear Magic  . . . . . . . . . . . . . . 22--24
                          J. H.   Dark Solitons  . . . . . . . . . . . . . 24--26
                       T. M. B.   Ultraviolet Verdict  . . . . . . . . . . 26--26
                       T. M. B.   Built for Speed  . . . . . . . . . . . . 26--30
             Elizabeth Corcoran   Have you Heard DAT?  . . . . . . . . . . 30--30
                          E. C.   ISDN: Betting Billions . . . . . . . . . 30--32
                   John Benditt   Patented Remedy  . . . . . . . . . . . . 32--34
                          J. H.   Fetal Fossils  . . . . . . . . . . . . . 34--34
                 June Kinoshita   Malaria Vaccines . . . . . . . . . . . . 34--36
                   Karen Wright   Cause and Affect . . . . . . . . . . . . 36--36
              Gregory Greenwell   Heartening News  . . . . . . . . . . . . 36--40
           Anthony V. Nero, Jr.   Controlling Indoor Air Pollution . . . . 42--48 (Intl. ed. 24)
         Richart E. Slusher and   
                  Bernard Yurke   Squeezed Light . . . . . . . . . . . . . 50--56
                   Lloyd J. Old   Tumor Necrosis Factor  . . . . . . . . . 59--75
             Kenneth A. Hoffman   Ancient Magnetic Reversals: Clues to the
                                  Geodynamo  . . . . . . . . . . . . . . . 76--83
               Mervyn Griffiths   The Platypus . . . . . . . . . . . . . . 84--91
                      Anonymous   Icicles Ensheathe a Number of Puzzles:
                                  Just How Does the Water Freeze?  . . . . 90
                  Jochen Fricke   Aerogels . . . . . . . . . . . . . . . . 92--97 (Intl. ed. 68)
                      Anonymous   The Invisible Professor Holds a
                                  Chalk-Talk Session on the Display
                                  Monitor  . . . . . . . . . . . . . . . . 94
       Francis P. McManamon and   
               James W. Bradley   The Indian Neck Ossuary  . . . . . . . . 98--104
                   Larry Abbott   The Mystery of the Cosmological Constant 106--113
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 114--117
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 118--121
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 122--125
                      Anonymous   Biblography: Bibliography  . . . . . . . 126--127

Scientific American
Volume 258, Number 6, June, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--13
                  Tim Beardsley   Science and the Citizen: Earning its
                                  Wings  . . . . . . . . . . . . . . . . . 17--18
                    John Horgan   Yucca Mountain, Nevada . . . . . . . . . 18--18
                          J. H.   ``Slickums'' . . . . . . . . . . . . . . 18--20
                       T. M. B.   Secret Science . . . . . . . . . . . . . 20--24
                       T. M. B.   Ice Storm  . . . . . . . . . . . . . . . 24--25
                 June Kinoshita   Roll Over, Wolfgang? . . . . . . . . . . 25--28
            Ralph. U. S. Landau   Economic Growth  . . . . . . . . . . . . 26
              Gregory Greenwell   Quantum Holonomy . . . . . . . . . . . . 28--28
                   John Benditt   Earlier Americans  . . . . . . . . . . . 28--30
                Tim Appenzeller   Compound Compound Eye  . . . . . . . . . 30--30
                 Laurie Burnham   Love on the Fly  . . . . . . . . . . . . 30--32
                       T. M. B.   For the Birds  . . . . . . . . . . . . . 32--33
                      Anonymous   Vector Analysis  . . . . . . . . . . . . 34--34
                       T. M. B.   Bethesda Brain Drain . . . . . . . . . . 34--34
                   Karen Wright   Nature, Nurture and Death  . . . . . . . 34--38
                          J. H.   Science and the Citizen: Rx Art  . . . . 38--38
                      Anonymous   Richard P. Feynman 1918--1988  . . . . . 38--42
                   Ralph Landau   U.S. Economic Growth . . . . . . . . . . 44--52
           David N. Schramm and   
                  Gary Steigman   Particle Accelerators Test Cosmological
                                  Theory . . . . . . . . . . . . . . . . . 44
        Joan Argetsinger Steitz   ``Snurps'' . . . . . . . . . . . . . . . 56--63
           David N. Schramm and   
                  Gary Steigman   Particle Accelerators Test Cosmological
                                  Theory . . . . . . . . . . . . . . . . . 66--72
                Robert M. Hazen   Perovskites  . . . . . . . . . . . . . . 74--80
               James A. Shapiro   Bacteria as Multicellular Organisms  . . 82--89
           Arnold L. Gordon and   
             Josefino C. Comiso   Polynyas in the Southern Ocean . . . . . 90--97
                      Anonymous   Does Convection or the Bernoulli
                                  Principle Make the Shower Curtain
                                  Flutter Inward?  . . . . . . . . . . . . 96
            Charles M. Lent and   
           Michael H. Dickinson   The Neurobiology of Feeding in Leeches   98--103
                      Anonymous   Imagination Meets Geometry in the
                                  Crystalline Realm of Latticeworks  . . . 100
          Francis Van Noten and   
                 Jan Raymaekers   Early Iron Smelting in Central Africa    104--111
             Elizabeth Corcoran   Science and Business: Making Mice  . . . 112--114
                          E. C.   TRON Takes Hold  . . . . . . . . . . . . 114--114
                          E. C.   Cold Start . . . . . . . . . . . . . . . 114--115
                          E. C.   Bottled Water? . . . . . . . . . . . . . 115--115
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 116--119
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 120--123
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 124--128

Scientific American
Volume 258, Number 8, August, 1988

                  A. K. Dewdney   The hodgepodge machine makes waves . . . 104


Scientific American
Volume 259, Number 1, July, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                    John Horgan   Science and the Citizen: Snakebit  . . . 31--32
                  Tim Beardsley   Getting Warmer?  . . . . . . . . . . . . 32--32
                       T. M. B.   Ill-starred  . . . . . . . . . . . . . . 32--33
                 June Kinoshita   Sons of STM  . . . . . . . . . . . . . . 33--35
                          J. H.   Rotor Rooters  . . . . . . . . . . . . . 35--36
                          J. H.   Superduds  . . . . . . . . . . . . . . . 36--36
                          J. H.   Upfreezing . . . . . . . . . . . . . . . 36--36
                          J. H.   Odd Couple . . . . . . . . . . . . . . . 36--37
                   Karen Wright   Language of Translation  . . . . . . . . 37--40
                   John Benditt   Genetic Skeleton . . . . . . . . . . . . 40--40
                          J. H.   Skin Saver . . . . . . . . . . . . . . . 40--41
                       T. M. B.   Benevolent Bradykinins . . . . . . . . . 41--41
                  Tim Beardsley   In Vino Scientia . . . . . . . . . . . . 41--42
            J. Clark Archer and   
            Fred M. Shelley and   
            Peter J. Taylor and   
                 Ellen R. White   The Geography of U.S. Presidential
                                  Elections  . . . . . . . . . . . . . . . 44--51
                Edwin L. Turner   Gravitational Lenses . . . . . . . . . . 54--60
             David W. Golde and   
               Judith C. Gasson   Hormones that Stimulate the Growth of
                                  Blood Cells  . . . . . . . . . . . . . . 62--70
            R. Damian Nance and   
          Thomas R. Worsley and   
                Judith B. Moody   The Supercontinent Cycle . . . . . . . . 72--79
             Gregory J. Chaitin   Randomness in Arithmetic . . . . . . . . 80--85 (Intl. ed. 52--57)
         Donald M. Trotter, Jr.   Capacitors . . . . . . . . . . . . . . . 86--88, 90a-90b (Intl. ed. 58--63)
                      Anonymous   Shadows Cast on the Bottom of a Pool are
                                  not like Other Shadows. Why? . . . . . . 86
                      Anonymous   How to Pan for Primes in Numerical
                                  Gravel . . . . . . . . . . . . . . . . . 90
             Jane F. Koretz and   
            George H. Handelman   How the Human Eye Focuses  . . . . . . . 92--99
          Stephen H. Lekson and   
           Thomas C. Windes and   
              John R. Stein and   
                 W. James Judge   The Chaco Canyon Community . . . . . . . 100--109
             Elizabeth Corcoran   Science and Business: Groupware  . . . . 110--112
                  Tim Beardsley   Messages from on High  . . . . . . . . . 112--113
                          E. C.   Keeping Cool . . . . . . . . . . . . . . 113--114
                          E. C.   Laughing Matters . . . . . . . . . . . . 114--114
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 116--119
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 120--123
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 124--127

Scientific American
Volume 259, Number 2, August, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                  Tim Beardsley   Science and the Citizen: B-2 or Not B-2  13--14
                   John Benditt   Report from Stockholm  . . . . . . . . . 14--15
                    John Horgan   K.A.L. 007 . . . . . . . . . . . . . . . 15--16
                 Ari W. Epstein   What Price Cost Controls?  . . . . . . . 16--16
                       T. M. B.   Complexity Counted?  . . . . . . . . . . 16--20
                       T. M. B.   Going for Gold . . . . . . . . . . . . . 20--21
                       T. M. B.   A Match Made in Heaven . . . . . . . . . 21--24
                       T. M. B.   Truth or Consequences? . . . . . . . . . 24--24
                  Ricki Rusting   A Better Crystal Ball  . . . . . . . . . 24--26
                          J. H.   So Long, Lefty . . . . . . . . . . . . . 26--27
                   Tony Rothman   Son of Rubber  . . . . . . . . . . . . . 27--28
                          J. H.   Robots Rampant . . . . . . . . . . . . . 28--28
               Volker A. Mohnen   The Challenge of Acid Rain . . . . . . . 30--38 (Intl. ed. 14--22)
            Miroslav Radman and   
                  Robert Wagner   The High Fidelity of DNA Duplication . . 40--46
           Thomas H. Jordan and   
             J. Bernard Minster   Measuring Crustal Deformation in the
                                  American West  . . . . . . . . . . . . . 48--55
                 David B. Cline   Beyond truth and beauty: a fourth family
                                  of particles . . . . . . . . . . . . . . 60--67
             Richard L. Edelson   Light-Activated Drugs  . . . . . . . . . 68--75
      Vilayanur S. Ramachandran   Perceiving Shape from Shading  . . . . . 76--83
             V. I. Ramachandran   Perceiving Shape From Shading  . . . . . 76--83
                      Anonymous   Some Entertaining Lessons in Optics That
                                  May Make Air Travel Easier to Endure . . 82
              Gerald K. Skinner   X-Ray Imaging with Coded Masks . . . . . 84--89
                      Anonymous   The Hodgepodge Machine Makes Waves . . . 86
            Allan R. Mackintosh   Dr. Atanasoff's Computer . . . . . . . . 90--96 (Intl. ed. 72--78)
             Elizabeth Corcoran   Science and Business: Picture
                                  Computation  . . . . . . . . . . . . . . 97--98
                          E. C.   Testing Sales  . . . . . . . . . . . . . 98--98
                          E. C.   Sunny Prospects? . . . . . . . . . . . . 98--99
                          E. C.   Entrepreneurial Spirit . . . . . . . . . 99--99
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 100--103
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 104--107
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 108--112

Scientific American
Volume 259, Number 3, September, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10
                    John Horgan   Science and the Citizen: ``Star Wars of
                                  the Seas'' . . . . . . . . . . . . . . . 14--18
                  Tim Beardsley   Winds of Change  . . . . . . . . . . . . 18--19
                       T. M. B.   Now you See it ... . . . . . . . . . . . 19--22
                          J. H.   The Solar Inconstant . . . . . . . . . . 22--24
                          J. H.   Microwave Mystery  . . . . . . . . . . . 24--24
                 Ari W. Epstein   Woody Witnesses  . . . . . . . . . . . . 24--26
                 Laurie Burnham   The Hard Shell . . . . . . . . . . . . . 26--28
                   Karen Wright   Thrilled to the Marrow . . . . . . . . . 28--29
                       T. M. B.   Safer Skies? . . . . . . . . . . . . . . 29--30
                   Tony Rothman   Phase Transition . . . . . . . . . . . . 30--31
                 Russell Ruthen   Pitching Electrons . . . . . . . . . . . 31--32
                          J. H.   All Fall Down  . . . . . . . . . . . . . 32--32
                  Tim Beardsley   Clouded Crystal Ball . . . . . . . . . . 32--35
             Robert A. Weinberg   Finding the Antioncogene . . . . . . . . 34
        Frank N. von Hippel and   
            Barbara G. Levi and   
         Theodore A. Postol and   
           William H. Daugherty   Civilian Casualties from Counterforce
                                  Attacks  . . . . . . . . . . . . . . . . 36--42
             Robert A. Weinberg   Finding the Anti-Oncogene  . . . . . . . 44--51
           Vladilen S. Letokhov   Detecting Individual Atoms and Molecules
                                  with Lasers  . . . . . . . . . . . . . . 54--59
                  M. Glickstein   The discovery of the visual cortex . . . 84--91
                 Lelio Orci and   
    Jean-Dominique Vassalli and   
                 Alain Perrelet   The Insulin Factory  . . . . . . . . . . 85--94 (Intl. ed. 50)
                      Anonymous   Shock-Front Phenomena and Other Oddities
                                  to Entertain a Bored Airline Passenger   96
              Hans Balsiger and   
               Hugo Fechtig and   
                 Johannes Geiss   A Close Look at Halley's Comet . . . . . 96--103 (Intl. ed. 62--69)
                      Anonymous   Old and New Three-Dimensional Mazes  . . 100
              Daniel Heyler and   
               Cecile M. Poplin   The Fossils of Montceau-les-Mines  . . . 104--110 (Intl. ed. 70)
                 Herbert Herman   Plasma-Sprayed Coatings  . . . . . . . . 112--117 (Intl. ed. 78--83)
            Mitchell Glickstein   The Discovery of the Visual Cortex . . . 118--127 (Intl. ed. 84)
             Elizabeth Corcoran   Science and Business: Patent Medicine    128--130
                          E. C.   Making Manufacturers . . . . . . . . . . 130--130
                          E. C.   Change Artist  . . . . . . . . . . . . . 130--131
                          E. C.   Silicon Minstrels  . . . . . . . . . . . 131--131
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 132--135
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 136--139
                      Anonymous   Computer Recreations . . . . . . . . . . 136
                 Lord Zuckerman   Books  . . . . . . . . . . . . . . . . . 140--144

Scientific American
Volume 259, Number 4, October, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                  Tim Beardsley   Science and the Citizen: AIDS and the
                                  Election . . . . . . . . . . . . . . . . 14--16
                    John Horgan   Test-Ban Countdown . . . . . . . . . . . 16--16
                       T. M. B.   Starshower . . . . . . . . . . . . . . . 16--18
                 June Kinoshita   Weighty Matters  . . . . . . . . . . . . 18--20
                   Tony Rothman   God Takes a Nap  . . . . . . . . . . . . 20--20
                  Ricki Rusting   Pacific Sea-saw  . . . . . . . . . . . . 20--25
                          J. K.   More Setbacks at SLAC  . . . . . . . . . 25--25
                 Russell Ruthen   Planetary Consommé  . . . . . . . . . . . 25--27
                 Ari W. Epstein   Postprandial Warmth  . . . . . . . . . . 27--28
                   Karen Wright   Yeast Meets Est(rogen) . . . . . . . . . 28--32
                       T. M. B.   Maternal Dysinheritance  . . . . . . . . 32--34
                          J. H.   Making Bones Better  . . . . . . . . . . 34--34
                   John Benditt   Bypass Blues . . . . . . . . . . . . . . 34--37
                    John Horgan   The Bionic Mind  . . . . . . . . . . . . 37--38
            Robert C. Gallo and   
                 Luc Montagnier   AIDS in 1988 . . . . . . . . . . . . . . 40--48 (Intl. ed. 24)
       William A. Haseltine and   
             Flossie Wong-Staal   The Molecular Biology of the AIDS Virus  52--62 (Intl. ed. 34)
                  Max Essex and   
               Phyllis J. Kanki   The Origins of the AIDS Virus  . . . . . 64--71 (Intl. ed. 44)
         William L. Heyward and   
                James W. Curran   The Epidemiology of AIDS in the U.S. . . 72--81 (Intl. ed. 52)
           Jonathan M. Mann and   
                 James Chin and   
                 Peter Piot and   
                   Thomas Quinn   The International Epidemiology of AIDS   82--89 (Intl. ed. 60)
         Robert R. Redfield and   
                Donald S. Burke   HIV Infection: The Clinical Picture  . . 90--98 (Intl. ed. 70)
          Jonathan N. Weber and   
                 Robin A. Weiss   HIV Infection: The Cellular Picture  . . 100--109 (Intl. ed. 80)
            Robert Yarchoan and   
            Hiroaki Mitsuya and   
                  Samuel Broder   AIDS Therapies . . . . . . . . . . . . . 110--119 (Intl. ed. 88)
                      Anonymous   Drop Two Stacked Balls from Waist
                                  Height: The Top Ball May Bounce up to
                                  the Ceiling  . . . . . . . . . . . . . . 116
                      Anonymous   On Making and Breaking Codes: Part I . . 120
         Thomas J. Matthews and   
              Dani P. Bolognesi   AIDS Vaccines  . . . . . . . . . . . . . 120--127 (Intl. ed. 98)
             Harvey V. Fineberg   The Social Dimensions of AIDS  . . . . . 128--134
             Elizabeth Corcoran   Science and Business: Long March to
                                  Approval . . . . . . . . . . . . . . . . 136--138
                          E. C.   Mega Projects  . . . . . . . . . . . . . 138--138
                          E. C.   Signing Off? . . . . . . . . . . . . . . 138--139
                          E. C.   Smart Apples . . . . . . . . . . . . . . 139--139
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 140--143
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 144--147
            William A. Blattner   Books  . . . . . . . . . . . . . . . . . 148--151
                   Lewis Thomas   Essay  . . . . . . . . . . . . . . . . . 152--152

Scientific American
Volume 259, Number 5, November, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                    John Horgan   Science and the Citizen: Ignorance in
                                  Action . . . . . . . . . . . . . . . . . 17--17
                  Tim Beardsley   Reactors Redux . . . . . . . . . . . . . 17--18
                          J. H.   The Shroud of Turin  . . . . . . . . . . 18--20
                          J. H.   Why Warfare? . . . . . . . . . . . . . . 20--22
                          J. H.   Ice House  . . . . . . . . . . . . . . . 22--22
                   Tony Rothman   Plus Ça Change \ldots . . . . . . . . . . 22--24
                          J. H.   Wobbly Evidence  . . . . . . . . . . . . 24--26
                 Russell Ruthen   Holochrome . . . . . . . . . . . . . . . 26--30
                Tim Appenzeller   Living with your Self  . . . . . . . . . 30--34
                       T. M. B.   Masters of Mutation  . . . . . . . . . . 34--34
                 Laurie Burnham   Acquired Taste . . . . . . . . . . . . . 34--36
                  Ricki Rusting   Starvaholics?  . . . . . . . . . . . . . 36--36
                   John Benditt   All in the Family  . . . . . . . . . . . 36--40
                  Tim Beardsley   Developmental Dialectics . . . . . . . . 40--41
                 James P. Comer   Educating Poor Minority Children . . . . 42--48 (Intl. ed. 24)
                 E. R. Williams   The electrification of thunderstorms . . 48--52, 61--65
           Michiel van der Klis   Quasi-Periodic Oscillations in Celestial
                                  X-Ray Sources  . . . . . . . . . . . . . 50--58
           Klis van der Michiel   Quasi-periodic Oscillations in Celestial
                                  X-Ray Sources  . . . . . . . . . . . . . 50
            Michael Feldman and   
                  Lea Eisenbach   What Makes a Tumor Cell Metastatic?  . . 60--68 (Intl. ed. 40)
                 R. J. Donnelly   Superfluid turbulence  . . . . . . . . . 66--74
             M. G. Drexhage and   
                 C. T. Moynihan   Infrared optical fibers  . . . . . . . . 76--81
              Earle R. Williams   The Electrification of Thunderstorms . . 88--99
            Russell J. Donnelly   Superfluid Turbulence  . . . . . . . . . 100--108
         Martin G. Drexhage and   
          Cornelius T. Moynihan   Infrared Optical Fibers  . . . . . . . . 110--116
                C. Owen Lovejoy   Evolution of Human Walking . . . . . . . 118--125
            Anthony Robbins and   
                Phyllis Freeman   Obstacles to Developing Vaccines for the
                                  Third World  . . . . . . . . . . . . . . 126--133
                 June Kinoshita   Science and Business: Neural Networks at
                                  Work . . . . . . . . . . . . . . . . . . 134--135
                  Tim Beardsley   Disappearing Act . . . . . . . . . . . . 135--135
             Elizabeth Corcoran   Gene Therapy in Gestation  . . . . . . . 135--136
                   Karen Wright   Body Shop? . . . . . . . . . . . . . . . 136--137
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 138--141
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 142--145
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 146--149
             Robert A. Weinberg   Essay  . . . . . . . . . . . . . . . . . 150--150

Scientific American
Volume 259, Number 6, December, 1988

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                   Karen Wright   Science and the Citizen: Fertility Rites 14--14
                    John Horgan   After Discovery \ldots . . . . . . . . . 14--18
                  Tim Beardsley   Radon Retried  . . . . . . . . . . . . . 18--19
                   Tony Rothman   The Cygnet Turns Phoenix . . . . . . . . 19--20
                          J. H.   Theory-Resistant . . . . . . . . . . . . 20--22
                 Russell Ruthen   Factoring Googols  . . . . . . . . . . . 22--22
                 Laurie Burnham   High Rate of Return  . . . . . . . . . . 22--23
                       T. M. B.   Electronic Ark . . . . . . . . . . . . . 23--26
                       T. M. B.   Unscientific Americans . . . . . . . . . 26--27
                       M. Berry   The geometric phase  . . . . . . . . . . 26--32
                       T. M. B.   Embryonic Questions  . . . . . . . . . . 27--30
                       T. M. B.   Memories of Mother . . . . . . . . . . . 30--31
                       T. M. B.   Ghost in the Machine . . . . . . . . . . 31--31
                          J. H.   Physics  . . . . . . . . . . . . . . . . 31--33
                          J. H.   Chemistry  . . . . . . . . . . . . . . . 33--33
                          J. H.   Physiology or Medicine . . . . . . . . . 33--33
          Philip R. O'Leary and   
           Patrick W. Walsh and   
                  Robert K. Ham   Managing Solid Waste . . . . . . . . . . 36--42
                  Michael Berry   The Geometric Phase  . . . . . . . . . . 46--52
                 Chiye Aoki and   
               Philip Diekevitz   Plasticity in Brain Development  . . . . 56--64
          William B. Krantz and   
           Kevin J. Gleason and   
                   Nelson Caine   Science in Pictures: Patterned Ground    68--76
              Paul M. Wassarman   Fertilization in Mammals . . . . . . . . 78--84
         Dennis L. Matthews and   
              Mordecai D. Rosen   Soft-X-Ray Lasers  . . . . . . . . . . . 86--91 (Intl. ed. 60--65)
           Harvey B. Lillywhite   Snakes, Blood Circulation and Gravity    92--98
             Charles R. Ortloff   Canal Builders of Pre-Inca Peru  . . . . 100--107
             Elizabeth Corcoran   Science and Business: Disequilibrium . . 108--110
                          E. C.   One for the Road . . . . . . . . . . . . 110--111
                          E. C.   A Different Engine?  . . . . . . . . . . 111--111
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 112--115
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 116--119
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 120--127
                      Anonymous   Annual Index, 1988 . . . . . . . . . . . 128--131
                   Norman Myers   Essay  . . . . . . . . . . . . . . . . . 132--132


Scientific American
Volume 260, Number 1, January, 1989

                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 7--7
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 7--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                  Tim Beardsley   Science and the Citizen: New Deal? . . . 12--16
                       T. M. B.   Back to the Bases  . . . . . . . . . . . 16--17
                    John Horgan   Lone-Star Science  . . . . . . . . . . . 17--20
                          J. H.   Greenhouse America . . . . . . . . . . . 20--21
                   Tony Rothman   Time after Time  . . . . . . . . . . . . 21--22
                          J. H.   Hive Technology  . . . . . . . . . . . . 22--22
                   Paul Wallich   Hostile Takeovers  . . . . . . . . . . . 22--26
                       T. M. B.   Preemptive Strike  . . . . . . . . . . . 26--28
                 June Kinoshita   Memory in a Neuron . . . . . . . . . . . 28--32
                  Ricki Rusting   Schizophrenic Results  . . . . . . . . . 32--32
                    C. Frohlich   Deep earthquakes . . . . . . . . . . . . 32--39
              Jerome B. Wiesner   On Science Advice to the President . . . 34--39 (Intl. ed. 18)
                   Mark Ptashne   How Gene Activators Work . . . . . . . . 40--47 (Intl. ed. 24)
                 Cliff Frohlich   Deep Earthquakes . . . . . . . . . . . . 48--55 (Intl. ed. 32)
                Julio M. Ottino   The Mixing of Fluids . . . . . . . . . . 56--57, 60--67 (Intl. ed. 40--49)
         Richard J. Wurtman and   
              Judith J. Wurtman   Carbohydrates and Depression . . . . . . 68--75
                Alan Walker and   
                   Mark Teaford   The Hunt for Proconsul . . . . . . . . . 76--82
           Marshall W. Bern and   
               Ronald L. Graham   The Shortest-Network Problem . . . . . . 84--89 (Intl. ed. 66--71)
                      Anonymous   The Colors Seen in the Sky Offer Lessons
                                  in Optical Scattering  . . . . . . . . . 84
                      Anonymous   People Puzzles: Theme and Variations . . 88
             L. Pearce Williams   André-Marie Amp\`ere  . . . . . . . . . . 90--97
                  Tim Beardsley   Science and Business: Merchants of Peace 98--100
                 John P. Rennie   Power to Burn  . . . . . . . . . . . . . 100--101
                   Paul Wallich   Not in the Cards?  . . . . . . . . . . . 101--101
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 102--105
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 106--109
             A. W. Crompton and   
              Stephen M. Gatesy   Books  . . . . . . . . . . . . . . . . . 110--113
              John Shattuck and   
               Muriel M. Spence   Essay  . . . . . . . . . . . . . . . . . 114--114

Scientific American
Volume 260, Number 2, February, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                    John Horgan   Science and the Citizen: Econo-SDI . . . 14--14
                  Tim Beardsley   Stable Orbit . . . . . . . . . . . . . . 14--16
                       T. M. B.   Future Imperfect . . . . . . . . . . . . 16--17
                   Tony Rothman   In Memoriam  . . . . . . . . . . . . . . 17--17
                Tim Appenzeller   Hidden Chemistry . . . . . . . . . . . . 17--18
                          J. H.   Blame it on the Moon . . . . . . . . . . 18--18
                 Russell Ruthen   First Impressions  . . . . . . . . . . . 18--20
             Peter M. Banks and   
                  Sally K. Ride   Soviets in Space . . . . . . . . . . . . 18
                   John Benditt   POU! Goes the Homeobox . . . . . . . . . 20--22
                   Karen Wright   A Breed Apart  . . . . . . . . . . . . . 22--24
                       T. M. B.   Exercising Choice  . . . . . . . . . . . 24--24
                       T. M. B.   Labeled Therapy  . . . . . . . . . . . . 24--25
                    John Horgan   Fusion's Future  . . . . . . . . . . . . 25--28
             Peter M. Banks and   
                  Sally K. Ride   Soviets in Space . . . . . . . . . . . . 32--40
                 Jeremy Nathans   The Genes for Color Vision . . . . . . . 42--49
              John A. Whitehead   Giant Ocean Cataracts  . . . . . . . . . 50--57
             Alan M. Wolsky and   
            Robert F. Giese and   
              Edward J. Daniels   The New Superconductors: Prospects for
                                  Applications . . . . . . . . . . . . . . 60--69
             Elizabeth Corcoran   Science and Business: Supercomputing . . 70--72
                          E. C.   Sharpening the Edge  . . . . . . . . . . 72--73
                          E. C.   A Tiny Mouse came Forth  . . . . . . . . 73--73
             Fernando Nottebohm   From Bird Song to Neurogenesis . . . . . 74--79
             Kenneth S. Suslick   The Chemical Effects of Ultrasound . . . 80--86
                      Anonymous   In an Emergency Stop, Should a Car's
                                  Wheels be Locked or Should the Braking
                                  be Controlled? . . . . . . . . . . . . . 84
           Christy G. Turner II   Teeth and Prehistory in Asia . . . . . . 88--96
                      Anonymous   A Tour of the Mandelbrot Set aboard the
                                  Mandelbus  . . . . . . . . . . . . . . . 88
            Keith S. Reid-Green   The History of Census Tabulation . . . . 98--103
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 104--107
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 108--111
                  A. K. Dewdney   Computer Recreations: a tour of the
                                  Mandelbrot set aboard the Mandelbus  . . 108--111
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 112--115
              William T. Golden   Essay  . . . . . . . . . . . . . . . . . 116--116

Scientific American
Volume 260, Number 3, March, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                  Tim Beardsley   Science and the Citizen: Clearing the
                                  Air  . . . . . . . . . . . . . . . . . . 17--18
                 Russell Ruthen   To our Health  . . . . . . . . . . . . . 18--20
                      Anonymous   A Gothic Tale  . . . . . . . . . . . . . 20--20
                      Anonymous   Cosmic News  . . . . . . . . . . . . . . 20--21
                 Laurie Burnham   The Summer of '88  . . . . . . . . . . . 21--21
                          J. H.   A Snowball's Chance  . . . . . . . . . . 21--24
                   Paul Wallich   Beyond Understanding?  . . . . . . . . . 24--24
                          J. H.   Time Bomb  . . . . . . . . . . . . . . . 24--26
                Tim Appenzeller   Thinking in Circles  . . . . . . . . . . 26--27
            Norbert Kartner and   
                    Victor Ling   Multidrug Resistance in Cancer . . . . . 26
                   Karen Wright   The Blood-Brain Barrier  . . . . . . . . 27--30
                   John Benditt   The Syphilized World . . . . . . . . . . 30--30
                  Ricki Rusting   Tat's Surprising . . . . . . . . . . . . 30--32
                          J. H.   Lukewarm Turkey  . . . . . . . . . . . . 32--32
            John M. Logsdon and   
              Ray A. Williamson   U.S. Access to Space . . . . . . . . . . 34--40
            Alexander McPherson   Macromolecular Crystals  . . . . . . . . 42--49
            Norbert Kartner and   
                    Victor Ling   Multidrug Resistance in Cancer . . . . . 44--51
                 John M. Dawson   Plasma Particle Accelerators . . . . . . 54--61
            Alexander McPherson   Science in Pictures: Macromolecular
                                  Crystals . . . . . . . . . . . . . . . . 62--69
             Elizabeth Corcoran   Science and Business: Competitive
                                  Climate  . . . . . . . . . . . . . . . . 70--72
                          E. C.   Decaying Orbit . . . . . . . . . . . . . 72--73
                          E. C.   An Economic Animal . . . . . . . . . . . 73--73
           Robert A. Berner and   
              Antonio C. Lasaga   Modeling the Geochemical Carbon Cycle    74--81
             Judith L. Rapoport   The Biology of Obsessions and
                                  Compulsions  . . . . . . . . . . . . . . 82--89
                      Anonymous   How to Get the Playground Swing Going: a
                                  First Lesson in the Mechanics of
                                  Rotation . . . . . . . . . . . . . . . . 86
           Howard G. Wilson and   
          Paul B. MacCready and   
                Chester R. Kyle   Lessons of Sunraycer . . . . . . . . . . 90--97
                      Anonymous   Of Worms, Viruses and Core War . . . . . 90
             George F. W. Hauck   The Roman Aqueduct of N\^\imes . . . . . 98--98
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 106--109
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 110--113
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 114--119
                    Peter Huber   Essay  . . . . . . . . . . . . . . . . . 120--120

Scientific American
Volume 260, Number 4, April, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                   Paul Wallich   Science and the Citizen: Aids Counts . . 17--18
                    John Horgan   Flash Point  . . . . . . . . . . . . . . 18--20
                  Tim Beardsley   Talking Tall . . . . . . . . . . . . . . 20--20
                          J. H.   Points of View . . . . . . . . . . . . . 20--22
                          J. H.   Irish Mist . . . . . . . . . . . . . . . 22--22
                          J. H.   It's a Pulsar! . . . . . . . . . . . . . 22--22
                       T. M. B.   Unsuperconductivity  . . . . . . . . . . 22--26
                       T. M. B.   Arctic Angst . . . . . . . . . . . . . . 26--27
                       T. M. B.   Dirty Business . . . . . . . . . . . . . 27--28
                          J. H.   Deep Thought . . . . . . . . . . . . . . 28--28
                 Russell Ruthen   Beating the Spread . . . . . . . . . . . 28--29
                   Karen Wright   Virus de Résistance . . . . . . . . . . . 29--32
                Tim Appenzeller   A Sparrow's Fall . . . . . . . . . . . . 32--34
                       T. M. B.   Computerized Canaries  . . . . . . . . . 34--34
                       T. M. B.   Multiple Choice  . . . . . . . . . . . . 34--35
        Richard A. Houghton and   
             George M. Woodwell   Global Climatic Change . . . . . . . . . 36--44
                   Jeffrey Ross   The Turnover of Messenger RNA  . . . . . 48--55
                Yoseph Imry and   
                Richard A. Webb   Quantum Interference and the
                                  Aharonov--Bohm Effect  . . . . . . . . . 56--62
        Harold K. Kimelberg and   
           Michael D. Norenberg   Astrocytes . . . . . . . . . . . . . . . 66--76
             Elizabeth Corcoran   Science and Business: An Alliance for
                                  Progress?  . . . . . . . . . . . . . . . 78--79
                          E. C.   The Burden of Proof  . . . . . . . . . . 79--80
                          E. C.   On Gossamer Wings  . . . . . . . . . . . 80--81
                      Anonymous   How to Build a Planck-Mass Accelerator
                                  in your Solar System . . . . . . . . . . 82
            Henry P. Freund and   
               Robert K. Parker   Free-Electron Lasers . . . . . . . . . . 84--89
                      Anonymous   A Matter Fabricator Provides Matter for
                                  Thought  . . . . . . . . . . . . . . . . 86
                   Deane Renouf   Sensory Function in the Harbor Seal  . . 90--95
                 John F. Coates   The Trireme Sails Again  . . . . . . . . 96--103
                 Emmy E. Werner   Children of the Garden Island  . . . . . 106--111
                 Antoni Akahito   The Amateur Scientist  . . . . . . . . . 112--115
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 116--119
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 120--125
               Arnold S. Relman   Essay  . . . . . . . . . . . . . . . . . 126--126

Scientific American
Volume 260, Number 5, May, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                  Tim Beardsley   Science and the Citizen: Aging Comes of
                                  Age  . . . . . . . . . . . . . . . . . . 17--21
                   John Benditt   Cold Water on the Fire . . . . . . . . . 21--22
                       T. M. B.   Case Proved  . . . . . . . . . . . . . . 22--22
                    John Horgan   Pinning Down Clouds  . . . . . . . . . . 22--24
                          J. H.   Gamma-Ray Bursts . . . . . . . . . . . . 26--26
                   Tony Rothman   Ambidextrous Universe  . . . . . . . . . 26--26
                       T. M. B.   Energy Re-Energized  . . . . . . . . . . 26--28
                       T. M. B.   Fusion Breakthrough? . . . . . . . . . . 28--28
                   Paul Wallich   Quantum Cryptography . . . . . . . . . . 28--30
                   Karen Wright   Playing Demigod  . . . . . . . . . . . . 30--31
                 June Kinoshita   Quantum Biology  . . . . . . . . . . . . 31--32
                Tim Appenzeller   Balloon Trial  . . . . . . . . . . . . . 32--35
                       T. M. B.   Risky Business . . . . . . . . . . . . . 35--36
                    John Horgan   Do Bees Think? . . . . . . . . . . . . . 36--38
              Syun-Ichi Akasofu   The Dynamic Aurora . . . . . . . . . . . 54--55, 58--63
           Richard M. Cyert and   
                David C. Mowery   Technology, Employment and U.S.
                                  Competitiveness  . . . . . . . . . . . . 54--62
           Peter Armbruster and   
      Gottfried Münzenberg   Creating Superheavy Elements . . . . . . 66--72
              Gerald M. Edelman   Topobiology  . . . . . . . . . . . . . . 76--88
              Syun-Ichi Akasofu   The Dynamic Aurora . . . . . . . . . . . 90--97
             Elizabeth Corcoran   Science and Business: Technology
                                  Transfer . . . . . . . . . . . . . . . . 98--100
                          E. C.   Housing Developments . . . . . . . . . . 100--101
                      Anonymous   How to Stop Worrying about Vibration and
                                  Make Holograms Viewable in White Light   100
                          E. C.   A Truffiing Matter . . . . . . . . . . . 101--101
              Paul A. Colinvaux   The Past and Future Amazon . . . . . . . 102--108
                      Anonymous   Simulated Evolution: Wherein Bugs Learn
                                  to Hunt Bacteria . . . . . . . . . . . . 104
     Eugenia M. del Piño   Marsupial Frogs  . . . . . . . . . . . . 110--118
                 Abraham Katzir   Optical Fibers in Medicine . . . . . . . 120--125
              David H. DeVorkin   Henry Norris Russell . . . . . . . . . . 126--133
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 134--137
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 138--141
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 142--147
                     Simon Ramo   Essay  . . . . . . . . . . . . . . . . . 148--148

Scientific American
Volume 260, Number 6, June, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--16
                    John Horgan   Science and the Citizen: Ivan's Eyes . . 19--22
                   Paul Wallich   Taxing the Wages of Sin  . . . . . . . . 22--22
                  Tim Beardsley   Playing with Fire  . . . . . . . . . . . 22--24
                       T. M. B.   Waiting Game . . . . . . . . . . . . . . 24--26
                          J. H.   Nonlinear Thinking . . . . . . . . . . . 26--28
           Barth David Schwartz   Muddy Evidence . . . . . . . . . . . . . 28--31
                 Russell Ruthen   Halley's Birthplace  . . . . . . . . . . 31--31
                          J. H.   Disco-Bee  . . . . . . . . . . . . . . . 31--32
                   John Benditt   Grave Doubts . . . . . . . . . . . . . . 32--33
                 June Kinoshita   The Tails of Ubiquitin . . . . . . . . . 33--34
                       T. M. B.   Molecular Monkeywrench . . . . . . . . . 34--35
                   Karen Wright   One Hand Clapping  . . . . . . . . . . . 35--37
             Suzanne Berger and   
       Michael L. Dertouzos and   
          Richard K. Lester and   
            Robert M. Solow and   
               Lester C. Thurow   Toward a New Industrial America  . . . . 39--47
              Ross S. Stein and   
                Robert S. Yeats   Hidden Earthquakes . . . . . . . . . . . 48--57
           Toni Bürgin and   
            Olivier Rieppel and   
           P. Martin Sander and   
                   Karl Tschanz   The Fossils of Monte San Giorgio . . . . 50
                 Robin Holliday   A Different Kind of Inheritance  . . . . 60--73
           Toni Bürgin and   
            Olivier Rieppel and   
           P. Martin Sander and   
                   Karl Tschanz   Science in Pictures: The Fossils of
                                  Monte San Giorgio  . . . . . . . . . . . 74--81
                    John Horgan   Science and Business: The Finance of
                                  Fission  . . . . . . . . . . . . . . . . 82--83
                  Tim Beardsley   Mr. Clean  . . . . . . . . . . . . . . . 83--84
             Elizabeth Corcoran   So Long, Silicon . . . . . . . . . . . . 84--84
         Elizabeth Corcoran and   
                   Paul Wallich   The Analytical Economist . . . . . . . . 84--85
            Ronald N. Bracewell   The Fourier Transform  . . . . . . . . . 86--95
                      Anonymous   The Mechanics of Rock Climbing, or
                                  Surviving the Ultimate Physics Exam  . . 92
   Allan H. Sòrensen and   
           Erik Uggerhòj   The Channeling of Electrons and
                                  Positrons  . . . . . . . . . . . . . . . 96--102
                      Anonymous   A Potpourri of Programmed Prose and
                                  Prosody  . . . . . . . . . . . . . . . . 96
            Stanley V. Margolis   Authenticating Ancient Marble Sculpture  104--110
           Wilfred Niels Arnold   Absinthe . . . . . . . . . . . . . . . . 112--117
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 118--121
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 122--125
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 126--130
              Edward Rubenstein   Essay  . . . . . . . . . . . . . . . . . 132--132


Scientific American
Volume 261, Number 1, July, 1989

              Earle R. Williams   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                  Tim Beardsley   Science and the Citizen: Science Gains a
                                  Voice  . . . . . . . . . . . . . . . . . 14--14
                    John Horgan   Cosmic Collisions  . . . . . . . . . . . 14--16
                   Tony Rothman   Moscow Subversive Chic . . . . . . . . . 16--21
                          J. H.   Stradivari's Secret (Redux)  . . . . . . 21--22
                 Russell Ruthen   Squaring the Circle  . . . . . . . . . . 22--24
                          J. H.   Jukeboxes for Scientists . . . . . . . . 24--25
                   John Benditt   Molecular Archaeology  . . . . . . . . . 25--26
                       T. M. B.   Alien Influence  . . . . . . . . . . . . 26--26
                       T. M. B.   Ripe for a Change  . . . . . . . . . . . 26--28
                Daniel L. Alkon   Memory Storage and Neural Systems  . . . 26
                  Ricki Rusting   Sweet Success  . . . . . . . . . . . . . 28--28
                    John Horgan   Ethnography as Art . . . . . . . . . . . 28--31
               Ashton B. Carter   Testing Weapons in Space . . . . . . . . 33--40
                Daniel L. Alkon   Memory Storage and Neural Systems  . . . 42--50
                Daniel L. Stein   Spin Glasses . . . . . . . . . . . . . . 52--59
            Robert S. White and   
                Dan P. McKenzie   Volcanism at Rifts . . . . . . . . . . . 62--71
             Elizabeth Corcoran   Science and Business: Show and Tell  . . 72--74
                          E. C.   Quality Conscious  . . . . . . . . . . . 75--76
                          E. C.   A Connoisseur's SNIF . . . . . . . . . . 76--76
               Paul Wallich and   
             Elizabeth Corcoran   The Analytical Economist . . . . . . . . 76--77
      Kerstin Uvnäs-Moberg   The Gastrointestinal Tract in Growth and
                                  Reproduction . . . . . . . . . . . . . . 78--83
       Vladimir V. Vasyutin and   
            Artur A. Tishchenko   Space Coloristics  . . . . . . . . . . . 84--90
                      Anonymous   What do Phonograph Records have in
                                  Common with Windshield Wipers? . . . . . 88
                  Randall White   Visual Thinking in the Ice Age . . . . . 92--99
                      Anonymous   Catch of the Day: Biomorphs on Truchet
                                  Tiles, Served with Popcorn and Snails    92
                 George T. Kerr   Synthetic Zeolites . . . . . . . . . . . 100--109
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 110--113
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 114--117
      Patricia Smith Churchland   Essay  . . . . . . . . . . . . . . . . . 118--118

Scientific American
Volume 261, Number 2, August, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                  Tim Beardsley   Big Brother, Ph.D. . . . . . . . . . . . 12--12
                  Tim Beardsley   Voyager 2 Nears its Final Solar-System
                                  Rendezvous before Heading for
                                  Interstellar Space . . . . . . . . . . . 12--12
                 June Kinoshita   Misprints  . . . . . . . . . . . . . . . 12--12
                 Russell Ruthen   Science and the Citizen: Surfing Photons 12--12
                       T. M. B.   Morning after  . . . . . . . . . . . . . 12--16
                   Tony Rothman   Pride and Prejudice  . . . . . . . . . . 16--17
                Tim Appenzeller   Coming Down in Sheets  . . . . . . . . . 17--18
                       T. M. B.   Successful Sex . . . . . . . . . . . . . 18--18
                       T. M. B.   Bloodless Coup . . . . . . . . . . . . . 18--19
                       T. M. B.   Superantigens  . . . . . . . . . . . . . 19--20
                       T. M. B.   Bring me Sunshine  . . . . . . . . . . . 20--21
                   Paul Wallich   Giant Flux Creep . . . . . . . . . . . . 21--21
                   John Benditt   Fifth AIDS Conference  . . . . . . . . . 21--23
           Alan M. Goldberg and   
                John M. Frazier   Alternatives to Animals in Toxicity
                                  Testing  . . . . . . . . . . . . . . . . 24--30
               Stan Woosley and   
                     Tom Weaver   The Great Supernova of 1987  . . . . . . 32--40
         Michael B. A. Oldstone   Viral Alteration of Cell Function  . . . 42--48
                  David H. Funk   The Mating of Tree Crickets  . . . . . . 42
                  David H. Funk   Science in Pictures: The Mating of Tree
                                  Crickets . . . . . . . . . . . . . . . . 50--59
             Elizabeth Corcoran   Science and Business: a Technological
                                  Fix  . . . . . . . . . . . . . . . . . . 60--60
                          E. C.   Don't Try Tiffany's  . . . . . . . . . . 60--62
                          E. C.   Futuristic Markets . . . . . . . . . . . 62--63
         Elizabeth Corcoran and   
                   Paul Wallich   The Analytical Economist . . . . . . . . 63--64
                David Gelernter   The Metamorphosis of Information
                                  Management . . . . . . . . . . . . . . . 66--73 (Intl. ed. 54)
                  Erik Borg and   
               S. Allen Counter   The Middle-Ear Muscles . . . . . . . . . 74--80
               David Stuart and   
             Stephen D. Houston   Maya Writing . . . . . . . . . . . . . . 82--89
                      Anonymous   How to Analyze the Shock Waves that
                                  Sweep through Expressway Traffic . . . . 84
                      Anonymous   A Cellular Universe of Debris, Droplets,
                                  Defects and Demons . . . . . . . . . . . 88
                Lawrence Badash   The Age-of-the-Earth Debate  . . . . . . 90--96
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 98--101
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 102--105
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 107--111
               Robert J. Levine   Essay  . . . . . . . . . . . . . . . . . 112--112

Scientific American
Volume 261, Number 3, September, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                  Tim Beardsley   Science and the Citizen: Greening the
                                  Summit . . . . . . . . . . . . . . . . . 17--17
                       T. M. B.   Intellectual Exports . . . . . . . . . . 17--20
                       T. M. B.   Chilling Out . . . . . . . . . . . . . . 20--20
                    John Horgan   Hot Spot . . . . . . . . . . . . . . . . 20--24
                          J. H.   The Impact Giveth \ldots . . . . . . . . 24--28
                          J. H.   Brown Dwarfs Here... . . . . . . . . . . 28--28
                    John Rennie   In the Beginning . . . . . . . . . . . . 28--32
                   John Benditt   Short-Answer Question  . . . . . . . . . 32--33
                 Ari W. Epstein   Jeepers, Creepers  . . . . . . . . . . . 33--34
                       T. M. B.   No Slick Fix . . . . . . . . . . . . . . 34--34
                       T. M. B.   Different Strokes... . . . . . . . . . . 34--36
                          J. H.   Beyond the Piano: Musicians Explore the
                                  Acoustics of Kelp and Clay and Ostrich
                                  Eggs . . . . . . . . . . . . . . . . . . 36--36
                   Karen Wright   Too much Pressure? . . . . . . . . . . . 36--38
                  Ricki Rusting   Skin Deep  . . . . . . . . . . . . . . . 38--38
                    John Horgan   The Masai  . . . . . . . . . . . . . . . 38--44
               William C. Clark   Managing Planet Earth  . . . . . . . . . 46--54
     J. W. Maurits la Rivi\`ere   Threats to the World's Water . . . . . . 48
          Thomas E. Graedel and   
                Paul J. Crutzen   The Changing Atmosphere  . . . . . . . . 58--68
           Stephen H. Schneider   The Changing Climate . . . . . . . . . . 70--78
     J. W. Maurits la Rivi\`ere   Threats to the World's Water . . . . . . 80--94
           Robert A. Frosch and   
        Nicholas E. Gallopoulos   Strategies for Manufacturing . . . . . . 94
             Elizabeth Corcoran   Science and Business: Dirty Business . . 98--101
                          E. C.   Look but don't Touch . . . . . . . . . . 101--102
                          E. C.   Surpassing the Buck  . . . . . . . . . . 102--104
               Paul Wallich and   
             Elizabeth Corcoran   The Analytical Economist . . . . . . . . 104--105
               Edward O. Wilson   Threats to Biodiversity  . . . . . . . . 108--116
                 Nathan Keyfitz   The Growing Human Population . . . . . . 118--126
                      Anonymous   A Drop of Water Becomes a Gateway into
                                  the World of Catastrophe Optics  . . . . 120D
                      Anonymous   Two-Dimensional Turing Machines and
                                  Turmites Make Tracks on a Plane  . . . . 124
          Pierre R. Crosson and   
            Norman J. Rosenberg   Strategies for Agriculture . . . . . . . 128--135
            John H. Gibbons and   
             Peter D. Blair and   
                  Holly L. Gwin   Strategies for Energy Use  . . . . . . . 136--143 (Intl. ed. 86--93)
           Robert A. Frosch and   
        Nicholas E. Gallopoulos   Strategies for Manufacturing . . . . . . 144--152
                   Jim MacNeill   Strategies for Sustainable Economic
                                  Development  . . . . . . . . . . . . . . 154--165
         William D. Ruckelshaus   Toward a Sustainable World . . . . . . . 166--175
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 176--179
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 180--183
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 184--189
          Gro Harlem Brundtland   Essay  . . . . . . . . . . . . . . . . . 190--190

Scientific American
Volume 261, Number 4, October, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                    John Horgan   Science and the Citizen: Land-Locked . . 17--20
                  Tim Beardsley   Batteries not Included . . . . . . . . . 20--20
                   Paul Wallich   Who's Minding the Store? . . . . . . . . 20--22
                       T. M. B.   Cosmic Quarrel . . . . . . . . . . . . . 22--26
                 Russell Ruthen   Out of its Field . . . . . . . . . . . . 26--26
                       T. M. B.   Low-Zone . . . . . . . . . . . . . . . . 26--30
                          J. H.   Heavy-Ion Fusion . . . . . . . . . . . . 30--32
                    John Rennie   Spacecraft on a String . . . . . . . . . 32--32
                   Karen Wright   Diluvian Tremens . . . . . . . . . . . . 32--33
                       T. M. B.   First Impressions  . . . . . . . . . . . 33--34
                          J. H.   Trans-Kingdom Sex  . . . . . . . . . . . 34--35
                          J. H.   Sudden Impact  . . . . . . . . . . . . . 35--36
                          J. H.   Status Symbol  . . . . . . . . . . . . . 36--36
                  Tim Beardsley   Glass Menageries . . . . . . . . . . . . 36--39
                Robert B. Reich   The Quiet Path to Technological
                                  Preeminence  . . . . . . . . . . . . . . 41--47
        J. Richard McIntosh and   
               Kent L. McDonald   The Mitotic Spindle  . . . . . . . . . . 48--56
                   John R. Rees   The Stanford Linear Collider . . . . . . 58--65
               Howard Rasmussen   The Cycling of Calcium as an
                                  Intracellular Messenger  . . . . . . . . 66--73
             Elizabeth Corcoran   Science and Business: Light Talk . . . . 74--77
                          E. C.   Homebody . . . . . . . . . . . . . . . . 77--78
                          E. C.   Good Intentions  . . . . . . . . . . . . 79--79
         Elizabeth Corcoran and   
                   Paul Wallich   The Analytical Economist . . . . . . . . 79--81
         Reginald E. Newell and   
      Henry G. Reichle, Jr. and   
                Wolfgang Seiler   Carbon Monoxide and the Burning Earth    82--88
                  Colin Renfrew   The Origins of Indoeuropean Languages    82
          Spencer C. H. Barrett   Waterweed Invasions  . . . . . . . . . . 90--97
                      Anonymous   How to Build a Hele--Shaw Cell and Watch
                                  Bubbles Playing Tag in a Viscous Fluid   92
                      Anonymous   A Tinkertoy Computer that Plays
                                  Tic-Tac-Toe  . . . . . . . . . . . . . . 96
        H. Kumar Wickramasinghe   Scanned-Probe Microscopes  . . . . . . . 98--105
                  Colin Renfrew   The Origins of Indo-European Languages   106--114 (Intl. ed. 82)
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 116--119
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 120--123
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 124--127
                 P. Roy Vagelos   Essay  . . . . . . . . . . . . . . . . . 128--128

Scientific American
Volume 261, Number 5, November, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                  Tim Beardsley   Science and the Citizen: Not so Hot  . . 17--18
                       T. M. B.   Ningún Nombre . . . . . . . . . . . . . . 18--20
                   Paul Wallich   Wires that Think . . . . . . . . . . . . 20--20
                    John Rennie   Hungry to Evolve?  . . . . . . . . . . . 20--22
                       T. M. B.   Economies of Scale . . . . . . . . . . . 22--22
                       T. M. B.   Sweet and Sour . . . . . . . . . . . . . 22--24
                          J. H.   Siberian Snake . . . . . . . . . . . . . 24--26
                Philip Ross and   
                 Russell Ruthen   Hard-Pressed . . . . . . . . . . . . . . 26--26
                Tim Appenzeller   Just a Veneer  . . . . . . . . . . . . . 26--28
                          J. H.   Stillborn  . . . . . . . . . . . . . . . 28--28
                       T. M. B.   Winning Candidate  . . . . . . . . . . . 28--30
                   Karen Wright   Myocardial Infraction? . . . . . . . . . 30--30
                    John Horgan   Quantum Consciousness  . . . . . . . . . 30--33
           William H. Romme and   
                 Don G. Despain   The Yellowstone Fires  . . . . . . . . . 36--46
             Michael K. Moe and   
              Simon Peter Rosen   Double-Beta Decay  . . . . . . . . . . . 48--55
             Howard M. Grey and   
           Alessandro Sette and   
              Sòren Buus   How T Cells See Antigen  . . . . . . . . 56--64
            Reynold Spector and   
             Conrad E. Johanson   The Mammalian Choroid Plexus . . . . . . 68--74
             Elizabeth Corcoran   Science and Business: Polluting Rights   76--79
                  Tim Beardsley   Nets Work  . . . . . . . . . . . . . . . 79--79
                          E. C.   Space Available  . . . . . . . . . . . . 79--79
                   Paul Wallich   The Analytical Economist . . . . . . . . 80--80
                 June Kinoshita   Science in Pictures: Neptune . . . . . . 82--91
                 June Kinoshita   Neptune  . . . . . . . . . . . . . . . . 82 (Intl. ed. 60--??)
               Donald E. Hunton   Shuttle Glow . . . . . . . . . . . . . . 92--98
                      Anonymous   Colored Segments of a Grid Can Shed a
                                  Diffuse Glow Like the Light from a Neon
                                  Tube . . . . . . . . . . . . . . . . . . 94
                      Anonymous   A Microgolf Game Gives Professionals and
                                  Amateurs an Equal Chance for a Hole in
                                  One  . . . . . . . . . . . . . . . . . . 98
                  John M. Coles   The World's Oldest Road  . . . . . . . . 100--106
       Charles L. Gray, Jr. and   
               Jeffrey A. Alson   The Case for Methanol  . . . . . . . . . 108--114
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 116--119
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 120--123
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 124--129
        Daniel Patrick Moynihan   Essay  . . . . . . . . . . . . . . . . . 130--130

Scientific American
Volume 261, Number 6, December, 1989

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--16
                  Tim Beardsley   Science and the Citizen: Fuel for
                                  Thought  . . . . . . . . . . . . . . . . 20--20
                    John Horgan   Photogenic Science . . . . . . . . . . . 20--20
                       T. M. B.   Range War  . . . . . . . . . . . . . . . 20--22
                 June Kinoshita   The Lost Generation  . . . . . . . . . . 22--22
                Tim Appenzeller   After the Deluge . . . . . . . . . . . . 22--26
                Corey S. Powell   A Cosmic Unveiling . . . . . . . . . . . 26--27
                          J. H.   Big-Game Forensics . . . . . . . . . . . 27--30
                          J. H.   What's a Hoatzin?  . . . . . . . . . . . 30--30
                    John Rennie   Old Gene, New Trick  . . . . . . . . . . 30--31
                 Philip E. Ross   Medicine: Stone to Bone  . . . . . . . . 31--34
                          J. H.   Science and the Citizen: Affirmative
                                  Action . . . . . . . . . . . . . . . . . 34--34
                          J. H.   Nobel Prizes . . . . . . . . . . . . . . 34--35
                  Tim Beardsley   Gaia . . . . . . . . . . . . . . . . . . 35--36
             Grant B. Romer and   
             Jeannette Delamoir   The First Color Photographs  . . . . . . 46
         Sidney N. Graybeal and   
          Patricia Bliss McFate   Getting Out of the Starting Block  . . . 61--67
             Jeremy Bloxham and   
                  David Gubbins   The Evolution of the Earth's Magnetic
                                  Field  . . . . . . . . . . . . . . . . . 68--75
                Ronald E. Kalil   Synapse Formation in the Developing
                                  Brain  . . . . . . . . . . . . . . . . . 76--79, 82--85 (Intl. ed. 38)
                      Anonymous   Why are the First Few Puffs the Hardest
                                  When You Blow up a Balloon?  . . . . . . 86
             Grant B. Romer and   
             Jeannette Delamoir   Science in Pictures: The First Color
                                  Photographs  . . . . . . . . . . . . . . 88--97
                      Anonymous   A Pandora's Box of Minds, Machines and
                                  Metaphysics  . . . . . . . . . . . . . . 90
                   Paul Wallich   Science and Business: Manufacturing
                                  Intelligence . . . . . . . . . . . . . . 100--102
             Elizabeth Corcoran   Pourable Plastics  . . . . . . . . . . . 102--104
                          E. C.   Economic Intrigue  . . . . . . . . . . . 104--104
         Elizabeth Corcoran and   
                   Paul Wallich   The Analytical Economist . . . . . . . . 104--106
          Michael A. Duncan and   
              Dennis H. Rouvray   Microclusters  . . . . . . . . . . . . . 110--115
               Bruce M. Beehler   The Birds of Paradise  . . . . . . . . . 116--123
               William R. Uttal   Teleoperators  . . . . . . . . . . . . . 124--129
                  David Ulansey   The Mithraic Mysteries . . . . . . . . . 130--135
                   Jearl Walker   The Amateur Scientist  . . . . . . . . . 136--139
                  A. K. Dewdney   Computer Recreations . . . . . . . . . . 140--142
                     Philip and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 144--152
                      Anonymous   Annual Index: Annual Index, 1989 . . . . 154--157
                Anthony Robbins   Essay  . . . . . . . . . . . . . . . . . 158--158


Scientific American
Volume 223, Number 4, October, 1970

                     M. Gardner   Mathematical Games: the Fantastic
                                  Combinations of John Conway's New
                                  Solitaire Game `Life'  . . . . . . . . . 120--123


V mire nauki (Scientific American, Russian Edition)
Volume ????, Number 6, 1984

                   A. P. Ershov   Mixed Computation  . . . . . . . . . . . 28--42


Complex Systems
Volume 1, Number 3, 1987

                        C. Bays   Candidates for the Game of Life in Three
                                  Dimensions . . . . . . . . . . . . . . . 373--400