Table of contents for issues of Scientific American

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Volume 202, Number 1, January, 1960
Volume 202, Number 2, February, 1960
Volume 202, Number 3, March, 1960
Volume 202, Number 4, April, 1960
Volume 202, Number 5, May, 1960
Volume 202, Number 6, June, 1960
Volume 203, Number 1, July, 1960
Volume 203, Number 2, August, 1960
Volume 203, Number 3, September, 1960
Volume 203, Number 4, October, 1960
Volume 203, Number 5, November, 1960
Volume 203, Number 6, December, 1960
Volume 204, Number 1, January, 1961
Volume 204, Number 2, February, 1961
Volume 204, Number 3, March, 1961
Volume 204, Number 4, April, 1961
Volume 204, Number 5, May, 1961
Volume 204, Number 6, June, 1961
Volume 205, Number 1, July, 1961
Volume 205, Number 2, August, 1961
Volume 205, Number 3, September, 1961
Volume 205, Number 4, October, 1961
Volume 205, Number 5, November, 1961
Volume 205, Number 6, December, 1961
Volume 206, Number 1, January, 1962
Volume 206, Number 2, February, 1962
Volume 206, Number 3, March, 1962
Volume 206, Number 4, April, 1962
Volume 206, Number 5, May, 1962
Volume 206, Number 6, June, 1962
Volume 207, Number 1, July, 1962
Volume 207, Number 2, August, 1962
Volume 207, Number 3, September, 1962
Volume 207, Number 4, October, 1962
Volume 207, Number 5, November, 1962
Volume 207, Number 6, December, 1962
Volume 208, Number 1, January, 1963
Volume 208, Number 2, February, 1963
Volume 208, Number 3, March, 1963
Volume 208, Number 4, April, 1963
Volume 208, Number 5, May, 1963
Volume 208, Number 6, June, 1963
Volume 209, Number 1, July, 1963
Volume 209, Number 2, August, 1963
Volume 209, Number 3, September, 1963
Volume 209, Number 4, October, 1963
Volume 209, Number 5, November, 1963
Volume 209, Number 6, December, 1963
Volume 210, Number 1, January, 1964
Volume 210, Number 2, February, 1964
Volume 210, Number 3, March, 1964
Volume 210, Number 4, April, 1964
Volume 210, Number 5, May, 1964
Volume 210, Number 6, June, 1964
Volume 211, Number 1, July, 1964
Volume 211, Number 2, August, 1964
Volume 211, Number 3, September, 1964
Volume 211, Number 4, October, 1964
Volume 211, Number 5, November, 1964
Volume 211, Number 6, December, 1964
Volume 212, Number 1, January, 1965
Volume 212, Number 2, February, 1965
Volume 212, Number 3, March, 1965
Volume 212, Number 4, April, 1965
Volume 212, Number 5, May, 1965
Volume 212, Number 6, June, 1965
Volume 213, Number 1, July, 1965
Volume 213, Number 2, August, 1965
Volume 213, Number 3, September, 1965
Volume 213, Number 4, October, 1965
Volume 213, Number 5, November, 1965
Volume 213, Number 6, December, 1965
Volume 214, Number 1, January, 1966
Volume 214, Number 2, February, 1966
Volume 214, Number 3, March, 1966
Volume 214, Number 4, April, 1966
Volume 214, Number 5, May, 1966
Volume 214, Number 6, June, 1966
Volume 215, Number 1, July, 1966
Volume 215, Number 2, August, 1966
Volume 215, Number 3, September, 1966
Volume 215, Number 4, October, 1966
Volume 215, Number 5, November, 1966
Volume 215, Number 6, December, 1966
Volume 216, Number 1, January, 1967
Volume 216, Number 2, February, 1967
Volume 216, Number 3, March, 1967
Volume 216, Number 4, April, 1967
Volume 216, Number 5, May, 1967
Volume 216, Number 6, June, 1967
Volume 217, Number 1, July, 1967
Volume 217, Number 2, August, 1967
Volume 217, Number 3, September, 1967
Volume 217, Number 4, October, 1967
Volume 217, Number 5, November, 1967
Volume 217, Number 6, December, 1967
Volume 218, Number 1, January, 1968
Volume 218, Number 2, February, 1968
Volume 218, Number 3, March, 1968
Volume 218, Number 4, April, 1968
Volume 218, Number 5, May, 1968
Volume 218, Number 6, June, 1968
Volume 219, Number 1, July, 1968
Volume 219, Number 2, August, 1968
Volume 219, Number 3, September, 1968
Volume 219, Number 4, October, 1968
Volume 219, Number 5, November, 1968
Volume 219, Number 6, December, 1968
Volume 220, Number 1, January, 1969
Volume 220, Number 2, February, 1969
Volume 220, Number 3, March, 1969
Volume 220, Number 4, April, 1969
Volume 220, Number 5, May, 1969
Volume 220, Number 6, June, 1969
Volume 221, Number 1, July, 1969
Volume 221, Number 2, August, 1969
Volume 221, Number 3, September, 1969
Volume 221, Number 4, October, 1969
Volume 221, Number 5, November, 1969
Volume 221, Number 6, December, 1969


Scientific American
Volume 202, Number 1, January, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--15
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--26
                      Anonymous   The Authors  . . . . . . . . . . . . . . 34--36
         Edward F. McClain, Jr.   The 600-Foot Radio Telescope . . . . . . 45--51
                 Emmanuel Anati   Prehistoric Art in the Alps  . . . . . . 52--59
         William O. Pruitt, Jr.   Animals in the Snow  . . . . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--79
              Alvin M. Weinberg   Breeder Reactors . . . . . . . . . . . . 82--94
                Peter Alexander   Radiation-Imitating Chemicals  . . . . . 99--108
             D. J. K. O'Connell   The Green Flash  . . . . . . . . . . . . 112--122
                      Helen Gay   Nuclear Control of the Cell  . . . . . . 126--136
                Wallace O. Fenn   The Mechanism of Breathing . . . . . . . 138--148
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 150--156
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 158--168
               Sir George Clark   Books  . . . . . . . . . . . . . . . . . 173--186
                      Anonymous   Bibliography . . . . . . . . . . . . . . 188--190

Scientific American
Volume 202, Number 2, February, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--20
                      Anonymous   The Authors  . . . . . . . . . . . . . . 26--30
                Oliver La Farge   The Enduring Indian  . . . . . . . . . . 37--45
                 David E. Green   The Synthesis of Fat . . . . . . . . . . 46--51
              Horace W. Babcock   The Magnetism of the Sun . . . . . . . . 52--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--74
         C. Walton Lillehei and   
                  Leonard Engel   Open-Heart Surgery . . . . . . . . . . . 76--90
                 John J. Gilman   Fracture in Solids . . . . . . . . . . . 94--104
                Stanley D. Beck   Insects and the Length of the Day  . . . 108--118
                Hans Pettersson   Cosmic Spherules and Meteoritic Dust . . 123--132
                Anthony H. Rose   Yeasts . . . . . . . . . . . . . . . . . 136--146
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 150--154
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 157--166
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 169--180
                      Anonymous   Bibliography . . . . . . . . . . . . . . 184--184

Scientific American
Volume 202, Number 3, March, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 28--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 42--44
           Walter C. Lowdermilk   The Reclamation of a Man-Made Desert . . 54--63
       Aubrey B. Mickelwait and   
     Edwin H. Tompkins, Jr. and   
                 Robert A. Park   Interplanetary Navigation  . . . . . . . 64--73
           Theodore A. Buchhold   Applications of Superconductivity  . . . 74--82
                      Anonymous   Science and the Citizen  . . . . . . . . 84--94
              Robert E. Marshak   The Nuclear Force  . . . . . . . . . . . 98--114
                 Lawson Wilkins   The Thyroid Gland  . . . . . . . . . . . 119--129
        Curtis A. Williams, Jr.   Immunoelectrophoresis  . . . . . . . . . 130--140
        Lawrence Zelic Freedman   ``Truth'' Drugs  . . . . . . . . . . . . 145--154
                Charles E. Lane   The Portuguese Man-of-War  . . . . . . . 158--168
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 172--182
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 187--200
                   Morton White   Books  . . . . . . . . . . . . . . . . . 205--226
                      Anonymous   Bibliography . . . . . . . . . . . . . . 228--230

Scientific American
Volume 202, Number 4, April, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 28--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 42--44
                   Su-Shu Huang   Life Outside the Solar System  . . . . . 55--63
          Eleanor J. Gibson and   
                Richard D. Walk   The ``Visual Cliff'' . . . . . . . . . . 64--71
            Sergio De Benedetti   The Mössbauer Effect  . . . . . . . . . . 72--80
                      Anonymous   Science and the Citizen  . . . . . . . . 82--92
                  Ph. H. Kuenen   Sand . . . . . . . . . . . . . . . . . . 94--110
             Theodore H. Savory   Spider Webs  . . . . . . . . . . . . . . 114--124
               Alfred J. Crowle   Delayed Hypersensitivity . . . . . . . . 129--138
               Theodore T. Puck   Radiation and the Human Cell . . . . . . 142--153
                   Max Gluckman   The Rise of a Zulu Empire  . . . . . . . 157--168
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 170--178
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 183--196
         George Gaylord Simpson   Books  . . . . . . . . . . . . . . . . . 201--218
                      Anonymous   Bibliography . . . . . . . . . . . . . . 220--222

Scientific American
Volume 202, Number 5, May, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--18
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 32--34
                      Anonymous   The Authors  . . . . . . . . . . . . . . 47--48
                 Robert Jastrow   The Exploration of the Moon  . . . . . . 61--69
           Rhodes W. Fairbridge   The Changing Level of the Sea  . . . . . 70--79
                 Seymour Levine   Stimulation in Infancy . . . . . . . . . 80--86
                      Anonymous   Science and the Citizen  . . . . . . . . 88--98
            Albert L. Lehninger   Energy Transformation in the Cell  . . . 102--114
             Aloha Hannah-Alava   Genetic Mosaics  . . . . . . . . . . . . 118--130
         Leonard I. Grossweiner   Flash Photolysis . . . . . . . . . . . . 134--145
              Milton Hildebrand   How Animals Run  . . . . . . . . . . . . 148--157
                     Meir Yoeli   Animal Infections and Human Disease  . . 161--170
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 174--184
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 189--202
                    Lord Adrian   Books  . . . . . . . . . . . . . . . . . 207--226
                      Anonymous   Bibliography . . . . . . . . . . . . . . 228--230

Scientific American
Volume 202, Number 6, June, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 28--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 40--42
              James Cooke Brown   Loglan . . . . . . . . . . . . . . . . . 53--63
             Kinsey A. Anderson   Solar Particles and Cosmic Rays  . . . . 64--71
                John S. Edwards   Insect Assassins . . . . . . . . . . . . 72--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--88
                C. Lester Hogan   Ferrites . . . . . . . . . . . . . . . . 92--104
             L. Pearce Williams   Humphry Davy . . . . . . . . . . . . . . 106--116
                  John R. Platt   How we see Straight Lines  . . . . . . . 121--129
            Robert F. Acker and   
                 S. E. Hartsell   Fleming's Lysozyme . . . . . . . . . . . 132--142
                 H. G. Bachmann   The Origin of Ores . . . . . . . . . . . 146--156
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 161--170
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 175--186
                 Herbert Dingle   Books  . . . . . . . . . . . . . . . . . 189--202
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--206


Scientific American
Volume 203, Number 1, July, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--24
                      Anonymous   The Authors  . . . . . . . . . . . . . . 40--40
             Boris V. Derjaguin   The Force between Molecules  . . . . . . 47--53
                D. E. Blackwell   The Zodiacal Light . . . . . . . . . . . 54--63
                  S. S. Brenner   Metal ``Whiskers'' . . . . . . . . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--85
                 Egon Glesinger   The Mediterranean Project  . . . . . . . 86--103
                 Joseph J. Katz   The Biology of Heavy Water . . . . . . . 106--116
                    Eric Denton   The Buoyancy of Marine Animals . . . . . 118--128
            Douglas W. Schwartz   Prehistoric Man in Mammoth Cave  . . . . 130--140
              Milton A. Rothman   Things that go Faster than Light . . . . 142--152
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 154--162
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 165--176
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 179--194
                      Anonymous   Bibliography . . . . . . . . . . . . . . 198--200

Scientific American
Volume 203, Number 2, August, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--22
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--32
               John P. Campbell   Vertical-Takeoff Aircraft  . . . . . . . 41--49
            Von R. Eshleman and   
              Allen M. Peterson   Radar Astronomy  . . . . . . . . . . . . 50--59
        Oliver G. Selfridge and   
                  Ulric Neisser   Pattern Recognition by Machine . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--77
                 Willard Bascom   Beaches  . . . . . . . . . . . . . . . . 80--94
          Werner R. Loewenstein   Biological Transducers . . . . . . . . . 98--108
                Sidney W. Mintz   Peasant Markets  . . . . . . . . . . . . 112--122
                   J. D. Bernal   The Structure of Liquids . . . . . . . . 124--134
               Karl Maramorosch   Friendly Viruses . . . . . . . . . . . . 138--144
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 149--154
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 158--168
                  Gerald Holton   Books  . . . . . . . . . . . . . . . . . 173--190
                      Anonymous   Bibliography . . . . . . . . . . . . . . 194--194

Scientific American
Volume 203, Number 3, September, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 32--32
                      Anonymous   The Authors  . . . . . . . . . . . . . . 48--48
           Sherwood L. Washburn   Tools and Human Evolution  . . . . . . . 62--75
            Marshall D. Sahlins   The Origin of Society  . . . . . . . . . 76--88
             Charles F. Hockett   The Origin of Speech . . . . . . . . . . 88--96
                      Anonymous   Science and the Citizen  . . . . . . . . 98--108
             William W. Howells   The Distribution of Man  . . . . . . . . 112--127
            Robert J. Braidwood   The Agricultural Revolution  . . . . . . 130--148
                Robert M. Adams   The Origin of Cities . . . . . . . . . . 153--168
            Herbert Butterfield   The Scientific Revolution  . . . . . . . 173--192
          Edward S. Deevey, Jr.   The Human Population . . . . . . . . . . 194--204
          Theodosius Dobzhansky   The Present Evolution of Man . . . . . . 206--217
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 218--226
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 231--244
                     C. P. Snow   Books  . . . . . . . . . . . . . . . . . 249--272
                      Anonymous   Bibliography . . . . . . . . . . . . . . 276--278

Scientific American
Volume 203, Number 4, October, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 30--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 42--42
             Edward F. Knipling   The Eradication of the Screw-Worm Fly    54--61
                 P. V. Glob and   
                    T. G. Bibby   A Forgotten Civilization of the Persian
                                  Gulf . . . . . . . . . . . . . . . . . . 62--71
                Arnold L. Bloom   Optical Pumping  . . . . . . . . . . . . 72--80
                      Anonymous   Science and the Citizen  . . . . . . . . 82--95
                Bruce C. Heezen   The Rift in the Ocean Floor  . . . . . . 98--110
                Harry Grundfest   Electric Fishes  . . . . . . . . . . . . 115--124
                 A. C. Charters   High-Speed Impact  . . . . . . . . . . . 128--140
               Arthur H. Benade   The Physics of Wood Winds  . . . . . . . 144--154
                Mitchell Wilson   Count Rumford  . . . . . . . . . . . . . 158--168
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 172--180
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 185--196
                 P. W. Bridgman   Books  . . . . . . . . . . . . . . . . . 201--218
                      Anonymous   Bibliography . . . . . . . . . . . . . . 220--222

Scientific American
Volume 203, Number 5, November, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--21
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 32--36
                      Anonymous   The Authors  . . . . . . . . . . . . . . 48--52
               Sarah E. Stewart   The Polyoma Virus  . . . . . . . . . . . 63--71
             Narinder S. Kapany   Fiber Optics . . . . . . . . . . . . . . 72--80
             Nathaniel Kleitman   Patterns of Dreaming . . . . . . . . . . 82--88
                      Anonymous   Science and the Citizen  . . . . . . . . 90--100
                Daniel I. Arnon   The Role of Light in Photosynthesis  . . 104--118
              F. Fraser Darling   Wildlife Husbandry in Africa . . . . . . 123--134
                        F. Reif   Superfluidity and ``Quasi-Particles''    138--150
         R. L. S. Bruce-Mitford   The Treasure of St. Ninian's . . . . . . 154--166
               John H. Reynolds   The Age of the Elements in the Solar
                                  System . . . . . . . . . . . . . . . . . 171--182
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 186--198
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 202--212
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 217--234
                      Anonymous   Bibliography . . . . . . . . . . . . . . 236--238

Scientific American
Volume 203, Number 6, December, 1960

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--26
                      Anonymous   The Authors  . . . . . . . . . . . . . . 38--40
          Seymour Deitchman and   
               Alfred Blumstein   Air-Traffic Control  . . . . . . . . . . 47--55
               W. L. Butler and   
                Robert J. Downs   Light and Plant Development  . . . . . . 56--63
                   John L. Mero   Minerals on the Ocean Floor  . . . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--84
    Christopher Howard Andrewes   The Viruses of the Common Cold . . . . . 88--102
                Herbert A. Pohl   Nonuniform Electric Fields . . . . . . . 106--116
                   N. Tinbergen   The Evolution of Behavior in Gulls . . . 118--130
        James Marston Fitch and   
               Daniel P. Branch   Primitive Architecture and Climate . . . 134--144
              Arthur K. Solomon   Pores in the Cell Membrane . . . . . . . 146--156
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 160--168
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 172--184
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 186--202
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--204
                      Anonymous   Annual Index . . . . . . . . . . . . . . 206--208


Scientific American
Volume 204, Number 1, January, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--23
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--35
                      Anonymous   The Authors  . . . . . . . . . . . . . . 36--48
                 John V. Becker   Re-Entry from Space  . . . . . . . . . . 49--57
          Sir Macfarlane Burnet   The Mechanism of Immunity  . . . . . . . 58--67
                Roman Ghirshman   The Ziggurat of Tchoga--Zanbil . . . . . 68--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--88
              Charles H. Greene   Glass  . . . . . . . . . . . . . . . . . 92--105
                   O. C. Wilson   A New Scale of Stellar Distances . . . . 107--119
                    B. J. Mason   The Growth of Snow Crystals  . . . . . . 120--133
                T. H. Benzinger   The Human Thermostat . . . . . . . . . . 134--149
                  N. J. Berrill   Salpa  . . . . . . . . . . . . . . . . . 150--160
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 164--173
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 177--192
                   O. G. Sutton   Books  . . . . . . . . . . . . . . . . . 193--208
                      Anonymous   Bibliography . . . . . . . . . . . . . . 209--211

Scientific American
Volume 204, Number 2, February, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--17
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--25
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--37
                 Ronald Melzack   The Perception of Pain . . . . . . . . . 41--49
          Margaret Burbidge and   
              Geoffrey Burbidge   Peculiar Galaxies  . . . . . . . . . . . 50--57
             Marjorie B. Zucker   Blood Platelets  . . . . . . . . . . . . 58--65
                      Anonymous   Science and the Citizen  . . . . . . . . 66--77
           William H. Stein and   
                 Stanford Moore   The Chemical Structure of Proteins . . . 81--92
                 V. V. Belousov   Experimental Geology . . . . . . . . . . 96--107
                    Peter Satir   Cilia  . . . . . . . . . . . . . . . . . 108--116
              John Christianson   The Celestial Palace of Tycho Brahe  . . 118--128
                Charles E. Lane   The Teredo . . . . . . . . . . . . . . . 132--143
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 146--154
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 159--170
            Sidney Morgenbesser   Books  . . . . . . . . . . . . . . . . . 175--187
                      Anonymous   Bibliography . . . . . . . . . . . . . . 188--188

Scientific American
Volume 204, Number 3, March, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--25
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 28--41
                      Anonymous   The Authors  . . . . . . . . . . . . . . 42--56
               Gabriel Giannini   Electrical Propulsion in Space . . . . . 57--65
                Anthony H. Rose   New Penicillins  . . . . . . . . . . . . 66--71
            Martin F. Glaessner   Pre-Cambrian Animals . . . . . . . . . . 72--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--91
                   George Gamow   Gravity  . . . . . . . . . . . . . . . . 94--106
             Michael H. Jameson   How Themistocles Planned the Battle of
                                  Salamis  . . . . . . . . . . . . . . . . 111--121
                   R. S. Scorer   Lee Waves in the Atmosphere  . . . . . . 124--137
                Eckhard H. Hess   Shadows and Depth Perception . . . . . . 138--151
            Herman E. Ries, Jr.   Monomolecular Films  . . . . . . . . . . 152--165
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 166--180
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 181--196
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 197--211
                      Anonymous   Bibliography . . . . . . . . . . . . . . 212--214

Scientific American
Volume 204, Number 4, April, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--21
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 34--46
        Wassily W. Leontief and   
              Marvin Hoffenberg   The Economic Effects of Disarmament  . . 47--55
               Howard Rasmussen   The Parathyroid Hormone  . . . . . . . . 56--63
           James B. McGuire and   
         Eugene R. Spangler and   
                       Lem Wong   The Size of the Solar System . . . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--84
        Michael E. De Bakey and   
                  Leonard Engel   Blood-Vessel Surgery . . . . . . . . . . 88--119
                 John A. Knauss   The Cromwell Current . . . . . . . . . . 105--116
               Ronald C. Rustad   Pinocytosis  . . . . . . . . . . . . . . 120--133
                 Jesse W. Beams   Ultrahigh-Speed Rotation . . . . . . . . 134--147
              Charles F. Cooper   The Ecology of Fire  . . . . . . . . . . 150--163
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 164--176
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 177--190
              P. M. S. Blackett   Books  . . . . . . . . . . . . . . . . . 191--205
                      Anonymous   Bibliography . . . . . . . . . . . . . . 206--207

Scientific American
Volume 204, Number 5, May, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--26
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 30--40
                      Anonymous   The Authors  . . . . . . . . . . . . . . 41--50
                   Alick Isaacs   Interferon . . . . . . . . . . . . . . . 51--57
               Cornell H. Mayer   The Temperatures of the Planets  . . . . 58--65
                Robert L. Fantz   The Origin of Form Perception  . . . . . 66--73
                      Anonymous   Science and the Citizen  . . . . . . . . 74--84
                P. A. Gordienko   The Arctic Ocean . . . . . . . . . . . . 88--106
              Harold I. Sharlin   From Faraday to the Dynamo . . . . . . . 107--118
                   Jerome Gross   Collagen . . . . . . . . . . . . . . . . 120--134
              Edward S. Hodgson   Taste Receptors  . . . . . . . . . . . . 135--144
               Sherman K. Stein   The Mathematician as an Explorer . . . . 148--159
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 162--172
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 177--190
               Charles E. Raven   Books  . . . . . . . . . . . . . . . . . 191--203
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--206

Scientific American
Volume 204, Number 6, June, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 18--25
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 30--36
                      Anonymous   The Authors  . . . . . . . . . . . . . . 41--48
             Arthur L. Schawlow   Optical Masers . . . . . . . . . . . . . 52--61
             S. L. Washburn and   
                   Irven DeVore   The Social Life of Baboons . . . . . . . 62--71
               Roy M. Pritchard   Stabilized Images on the Retina  . . . . 72--79
                      Anonymous   Science and the Citizen  . . . . . . . . 80--90
      François Jacob and   
                Elie L. Wollman   Viruses and Genes  . . . . . . . . . . . 92--110
          Margaret Burbidge and   
              Geoffrey Burbidge   Subdwarf Stars . . . . . . . . . . . . . 111--123
          George M. A. Hanfmann   Excavations at Sardis  . . . . . . . . . 124--135
               John D. Woodward   Biotin . . . . . . . . . . . . . . . . . 139--150
                   Homer Jensen   The Airborne Magnetometer  . . . . . . . 151--165
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 166--176
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 181--192
                     A. J. Ayer   Books  . . . . . . . . . . . . . . . . . 197--213
                      Anonymous   Bibliography . . . . . . . . . . . . . . 214--214


Scientific American
Volume 205, Number 1, July, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--23
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--31
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--38
               Philip M. Hauser   The Census of 1960 . . . . . . . . . . . 39--45
                 Sheldon Penman   The Muon . . . . . . . . . . . . . . . . 46--55
                John P. Merrill   The Artificial Kidney  . . . . . . . . . 56--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--77
           Morris Neiburger and   
                   Harry Wexler   Weather Satellites . . . . . . . . . . . 80--94
                Aaron B. Lerner   Hormones and Skin Color  . . . . . . . . 98--112
               Donald S. Blough   Experiments in Animal Psychophysics  . . 113--122
      William B. Ittner III and   
                    C. J. Kraus   Superconducting Computers  . . . . . . . 124--137
            Martin Lüscher   Air-Conditioned Termite Nests  . . . . . 138--145
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 148--161
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 162--174
             Henry S. Churchill   Books  . . . . . . . . . . . . . . . . . 175--189
                      Anonymous   Bibliography . . . . . . . . . . . . . . 190--190

Scientific American
Volume 205, Number 2, August, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--17
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--24
                      Anonymous   The Authors  . . . . . . . . . . . . . . 27--32
                   Giulio Natta   Precisely Constructed Polymers . . . . . 33--41
                Conrad Limbaugh   Cleaning Symbiosis . . . . . . . . . . . 42--49
                Robert S. Dietz   Astroblemes  . . . . . . . . . . . . . . 50--58
                      Anonymous   Science and the Citizen  . . . . . . . . 60--71
           Edward E. David, Jr.   The Reproduction of Sound  . . . . . . . 72--85
                 James Mellaart   Hacilar: A Neolithic Village Site  . . . 86--98
        Felix Wráblewski   Enzymes in Medical Diagnosis . . . . . . 99--107
                   Alex Comfort   The Life Span of Animals . . . . . . . . 108--119
                Morton L. Barad   Low-Altitude Jet Streams . . . . . . . . 120--131
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 134--142
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 143--154
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 155--167
                      Anonymous   Bibliography . . . . . . . . . . . . . . 168--170

Scientific American
Volume 205, Number 3, September, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--24
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 26--35
                      Anonymous   The Authors  . . . . . . . . . . . . . . 39--46
                   Jean Brachet   The Living Cell  . . . . . . . . . . . . 50--61
            Albert L. Lehninger   How Cells Transform Energy . . . . . . . 62--73
         Vincent G. Allfrey and   
               Alfred E. Mirsky   How Cells Make Molecules . . . . . . . . 74--82
                      Anonymous   Science and the Citizen  . . . . . . . . 84--96
                   Daniel Mazia   How Cells Divide . . . . . . . . . . . . 100--121
          Michail Fischberg and   
            Antonie W. Blackler   How Cells Specialize . . . . . . . . . . 124--140
                  A. A. Moscona   How Cells Associate  . . . . . . . . . . 142--162
                   Heinz Holter   How Things get into Cells  . . . . . . . 167--181
                   Teru Hayashi   How Cells Move . . . . . . . . . . . . . 184--204
                  Bernhard Katz   How Cells Communicate  . . . . . . . . . 209--221
          William H. Miller and   
              Floyd Ratliff and   
                 H. K. Hartline   How Cells Receive Stimuli  . . . . . . . 222--239
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 242--256
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 261--278
              F. Fraser Darling   Books  . . . . . . . . . . . . . . . . . 279--299
                      Anonymous   Bibliography . . . . . . . . . . . . . . 300--304

Scientific American
Volume 205, Number 4, October, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 16--26
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 29--37
                      Anonymous   The Authors  . . . . . . . . . . . . . . 38--48
                Walsh McDermott   Air Pollution and Public Health  . . . . 49--57
                  Roy A. Keller   Gas Chromatography . . . . . . . . . . . 58--67
               Lawrence W. Swan   The Ecology of the High Himalayas  . . . 68--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--88
                 John R. Pierce   Communication Satellites . . . . . . . . 90--102
                 W. C. Dash and   
                    A. G. Tweet   Observing Dislocations in Crystals . . . 107--116
                F. Clark Howell   Isimila: A Paleolithic Site in Africa    118--129
             Mark R. Rosenzweig   Auditory Localization  . . . . . . . . . 132--142
                 Arthur D. Raff   The Magnetism of the Ocean Floor . . . . 146--157
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 160--168
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 172--186
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 187--203
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--206

Scientific American
Volume 205, Number 5, November, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--19
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--33
                      Anonymous   The Authors  . . . . . . . . . . . . . . 36--48
          Edward L. Ginzton and   
                   William Kirk   The Two-Mile Electron Accelerator  . . . 49--57
               Virgil E. Barnes   Tektites . . . . . . . . . . . . . . . . 58--65
                A. G. Bearn and   
            James L. German III   Chromosomes and Disease  . . . . . . . . 66--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--88
                  B. F. Skinner   Teaching Machines  . . . . . . . . . . . 90--102
      George A. Bartholomew and   
                 Jack W. Hudson   Desert Ground Squirrels  . . . . . . . . 107--117
                 Ralph M. Evans   Maxwell's Color Photograph . . . . . . . 118--128
                 Allen M. Scher   The Electrocardiogram  . . . . . . . . . 132--141
                   J. H. Acland   Architectural Vaulting . . . . . . . . . 144--157
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 158--172
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 173--188
                   Ernest Nagel   Books  . . . . . . . . . . . . . . . . . 189--203
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--206

Scientific American
Volume 205, Number 6, December, 1961

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--20
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 25--33
                      Anonymous   The Authors  . . . . . . . . . . . . . . 34--44
                Stanley Milgram   Nationality and Conformity . . . . . . . 45--51
                Henry W. Menard   The East Pacific Rise  . . . . . . . . . 52--61
            Holger Hydén   Satellite Cells in the Nervous System    62--70
                      Anonymous   Science and the Citizen  . . . . . . . . 72--83
                    R. H. Dicke   The Eötvös Experiment  . . . . . . . . . . 84--95
                John C. Kendrew   The Three-Dimensional Structure of a
                                  Protein Molecule . . . . . . . . . . . . 96--110
   Irenäus Eibl-Eibesfeldt   The Fighting Behavior of Animals . . . . 112--123
             Stanley W. Angrist   Galvanomagnetic and Thermomagnetic
                                  Effects  . . . . . . . . . . . . . . . . 124--136
Hansjürgen Müller-Beck   Prehistoric Swiss Lake Dwellers  . . . . 138--147
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 150--158
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 161--172
                 A. Rupert Hall   Books  . . . . . . . . . . . . . . . . . 177--191
                      Anonymous   Bibliography . . . . . . . . . . . . . . 192--193
                      Anonymous   Annual Index . . . . . . . . . . . . . . 194--196


Scientific American
Volume 206, Number 1, January, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--20
                      Anonymous   The Authors  . . . . . . . . . . . . . . 27--28
         Herbert A. Wilson, Jr.   Sonic Boom . . . . . . . . . . . . . . . 36--43
              W. C. H. Prentice   Aftereffects in Perception . . . . . . . 44--49
                  V. L. Telegdi   Hypernuclei  . . . . . . . . . . . . . . 50--50
                      Anonymous   Science and the Citizen  . . . . . . . . 58--59
                 Seymour Benzer   The Fine Structure of the Gene . . . . . 70--84
              William C. Dilger   The Behavior of Lovebirds  . . . . . . . 88--96
                Nathan W. Shock   The Physiology of Aging  . . . . . . . . 100--108
                William G. Haag   The Bering Strait Land Bridge  . . . . . 112--120
                  Games Slayter   Two-Phase Materials  . . . . . . . . . . 124--128
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 136--144
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 145--146
                   Morris Kline   Books  . . . . . . . . . . . . . . . . . 157--167
                      Anonymous   Bibliography . . . . . . . . . . . . . . 168--170

Scientific American
Volume 206, Number 2, February, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 20--20
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--32
             Jerard Hurwitz and   
                    J. J. Furth   Messenger RNA  . . . . . . . . . . . . . 41--49
                 R. Grant Athay   The Solar Chromosphere . . . . . . . . . 50--59
              Terence A. Rogers   The Physiological Effects of
                                  Acceleration . . . . . . . . . . . . . . 60--70
                      Anonymous   Science and the Citizen  . . . . . . . . 72--78
                  Raymond Bloch   The Etruscans  . . . . . . . . . . . . . 82--90
             W. Wesley Peterson   Error-Correcting Codes . . . . . . . . . 96--104
                Robert D. Allen   Amoeboid Movement  . . . . . . . . . . . 112--112
              Ernest Rabinowicz   Wear . . . . . . . . . . . . . . . . . . 127--136
                John B. Calhoun   Population Density and Social Pathology  139--149
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 150--162
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 163--166
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 177--187
                      Anonymous   Bibliography . . . . . . . . . . . . . . 188--190

Scientific American
Volume 206, Number 3, March, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--19
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 20--27
                      Anonymous   The Authors  . . . . . . . . . . . . . . 31--32
                 D. S. Heeschen   Radio Galaxies . . . . . . . . . . . . . 41--49
            Erich von Holst and   
          Ursula von Saint Paul   Electrically Controlled Behavior . . . . 50--59
                   Koloman Laki   The Clotting of Fibrinogen . . . . . . . 60--67
                      Anonymous   Science and the Citizen  . . . . . . . . 68--70
            H. A. Steinherz and   
                  P. A. Redhead   Ultrahigh Vacuum . . . . . . . . . . . . 78--90
              William Davenport   Red-Feather Money  . . . . . . . . . . . 94--104
                  Sidney Lerman   Cataracts  . . . . . . . . . . . . . . . 106--108
         Harold J. Morowitz and   
           Mark E. Tourtellotte   The Smallest Living Cells  . . . . . . . 117--124
             James R. Heirtzler   The Longest Electromagnetic Waves  . . . 128--134
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 138--150
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 155--158
                Robert W. White   Books  . . . . . . . . . . . . . . . . . 165--166
                      Anonymous   Bibliography . . . . . . . . . . . . . . 182--183

Scientific American
Volume 206, Number 4, April, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--33
                      Anonymous   The Authors  . . . . . . . . . . . . . . 34--44
              P. M. S. Blackett   Steps toward Disarmament . . . . . . . . 45--53
                Robert P. Kraft   Exploding Stars  . . . . . . . . . . . . 54--63
             J. David Robertson   The Membrane of the Living Cell  . . . . 64--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--82
                    W. V. Quine   Paradox  . . . . . . . . . . . . . . . . 84--96
                   Ernst Hadorn   Fractionating the Fruit Fly  . . . . . . 100--111
            Norman A. de Bruyne   The Action of Adhesives  . . . . . . . . 114--129
          Clarence D. Cone, Jr.   The Soaring Flight of Birds  . . . . . . 130--140
            Donald K. Broadbent   Attention and the Perception of Speech   143--153
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 154--166
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 167--168
                      Max Black   Books  . . . . . . . . . . . . . . . . . 179--191
                      Anonymous   Bibliography . . . . . . . . . . . . . . 192--194

Scientific American
Volume 206, Number 5, May, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--23
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 34--43
               Arthur I. Waskow   The Shelter-Centered Society . . . . . . 46--51
       William L. Kraushaar and   
                George W. Clark   Gamma Ray Astronomy  . . . . . . . . . . 52--61
                     Ivo Kohler   Experiments with Goggles . . . . . . . . 62--72
                      Anonymous   Science and the Citizen  . . . . . . . . 74--75
         Carlos A. Alvarado and   
             L. J. Bruce-Chwatt   Malaria  . . . . . . . . . . . . . . . . 86--98
           Frederick D. Bennett   Exploding Wires  . . . . . . . . . . . . 102--115
              Maurice Ewing and   
                  Leonard Engel   Seismic Shooting at Sea  . . . . . . . . 116--126
              Adriaan Kortlandt   Chimpanzees in the Wild  . . . . . . . . 128--140
                   Isaac Harary   Heart Cells in Vitro . . . . . . . . . . 141--153
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 156--168
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 171--182
      Albert Szent-Györgyi   Books  . . . . . . . . . . . . . . . . . 185--195
                      Anonymous   Bibliography . . . . . . . . . . . . . . 196--198

Scientific American
Volume 206, Number 6, June, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--24
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 26--39
                      Anonymous   The Authors  . . . . . . . . . . . . . . 40--51
                    L. Don Leet   The Detection of Underground Explosions  55--59
              J. E. Kunzler and   
               Morris Tanenbaum   Superconducting Magnets  . . . . . . . . 60--67
                Victor H. Yngve   Computer Programs for Translation  . . . 68--76
                      Anonymous   Science and the Citizen  . . . . . . . . 78--86
                  J. A. Bassham   The Path of Carbon in Photosynthesis . . 88--100
              Jean de Heinzelin   Ishango  . . . . . . . . . . . . . . . . 105--116
            Harvey E. White and   
                   Paul Levatin   ``Floaters'' in the Eye  . . . . . . . . 119--127
                    Evelyn Shaw   The Schooling of Fishes  . . . . . . . . 128--141
             Mary A. B. Brazier   The Analysis of Brain Waves  . . . . . . 142--154
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 156--167
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 171--182
               Serge Chermayeff   Books  . . . . . . . . . . . . . . . . . 183--199
                      Anonymous   Bibliography . . . . . . . . . . . . . . 200--202


Scientific American
Volume 207, Number 1, July, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 11--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 20--29
                      Anonymous   The Authors  . . . . . . . . . . . . . . 30--38
              E. Cuyler Hammond   The Effects of Smoking . . . . . . . . . 39--51
                Don L. Anderson   The Plastic Layer of the Earth's Mantle  52--59
               Perry W. Gilbert   The Behavior of Sharks . . . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--79
             John F. Brown, Jr.   Inclusion Compounds  . . . . . . . . . . 82--92
           David B. Ericson and   
                  Goesta Wollin   Micropaleontology  . . . . . . . . . . . 96--108
           Robert L. Sinsheimer   Single-Stranded DNA  . . . . . . . . . . 109--117
              Lloyd Kaufman and   
                     Irvin Rock   The Moon Illusion  . . . . . . . . . . . 120--131
                H. S. Feder and   
                  A. E. Spencer   Telephone Switching  . . . . . . . . . . 132--143
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 144--153
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 156--168
            Marshall D. Sahlins   Books  . . . . . . . . . . . . . . . . . 169--183
                      Anonymous   Bibliography . . . . . . . . . . . . . . 184--185

Scientific American
Volume 207, Number 2, August, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--13
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--21
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--28
               Helen B. Taussig   The Thalidomide Syndrome . . . . . . . . 29--35
              Gerard K. O'Neill   The Spark Chamber  . . . . . . . . . . . 36--43
                Robert S. Dietz   The Sea's Deep Scattering Layers . . . . 44--50
                      Anonymous   Science and the Citizen  . . . . . . . . 52--60
                 Don D. Jackson   Schizophrenia  . . . . . . . . . . . . . 65--74
                Karl von Frisch   Dialects in the Language of the Bees . . 78--89
                Philip Morrison   Neutrino Astronomy . . . . . . . . . . . 90--99
              Arthur K. Solomon   Pumps in the Living Cell . . . . . . . . 100--110
               H. O. J. Collier   Kinins . . . . . . . . . . . . . . . . . 111--119
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--127
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--140
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 141--147
                      Anonymous   Bibliography . . . . . . . . . . . . . . 149--152

Scientific American
Volume 207, Number 3, September, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 18--31
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 32--43
                      Anonymous   The Authors  . . . . . . . . . . . . . . 46--57
                    A. P. Crary   The Antarctic  . . . . . . . . . . . . . 60--73
             Sir Charles Wright   The Antarctic and the Upper Atmosphere   74--83
                Morton J. Rubin   The Antarctic and the Weather  . . . . . 84--94
                      Anonymous   Science and the Citizen  . . . . . . . . 98--110
                     V. G. Kort   The Antarctic Ocean  . . . . . . . . . . 113--132
             Gordon de Q. Robin   The Ice of the Antarctic . . . . . . . . 132--146
                 G. P. Woollard   The Land of the Antarctic  . . . . . . . 151--166
          George A. Doumani and   
                William E. Long   The Ancient Life of the Antarctic  . . . 168--184
          Robert Cushman Murphy   The Oceanic Life of the Antarctic  . . . 186--210
                George A. Llano   The Terrestrial Life of the Antarctic    212--230
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 232--246
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 247--264
              Sir Gavin de Beer   Books  . . . . . . . . . . . . . . . . . 265--291
                      Anonymous   Bibliography . . . . . . . . . . . . . . 292--293

Scientific American
Volume 207, Number 4, October, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--22
                      Anonymous   The Authors  . . . . . . . . . . . . . . 27--29
               Philip M. Hauser   More from the Census of 1960 . . . . . . 30--37
                  Edwin Roedder   Ancient Fluids in Crystals . . . . . . . 38--47
              R. F. Mallina and   
         Theodore R. Miller and   
              Philip Cooper and   
            Stanley G. Christie   Surgical Stapling  . . . . . . . . . . . 48--57
                      Anonymous   Science and the Citizen  . . . . . . . . 58--65
                 F. H. C. Crick   The Genetic Code . . . . . . . . . . . . 66--77
           Olexa-Myron Bilaniuk   Semiconductor Particle-Detectors . . . . 78--88
                 Leon Festinger   Cognitive Dissonance . . . . . . . . . . 93--106
              Bruce I. H. Scott   Electricity in Plants  . . . . . . . . . 107--118
             Theodore H. Savory   Daddy Longlegs . . . . . . . . . . . . . 119--129
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 130--140
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 144--156
            Ernest M. Gruenberg   Books  . . . . . . . . . . . . . . . . . 159--175
                      Anonymous   Bibliography . . . . . . . . . . . . . . 176--178

Scientific American
Volume 207, Number 5, November, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--21
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--31
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--40
                 David Joravsky   The Lysenko Affair . . . . . . . . . . . 41--49
          Sir Macfarlane Burnet   The Thymus Gland . . . . . . . . . . . . 50--57
               D. Nelson Limber   The Pleiades . . . . . . . . . . . . . . 58--67
                      Anonymous   Science and the Citizen  . . . . . . . . 68--76
         Carleen Maley Hutchins   The Physics of Violins . . . . . . . . . 78--93
                 Edel Wasserman   Chemical Topology  . . . . . . . . . . . 94--102
                  Harold Berger   Neutron Radiography  . . . . . . . . . . 107--119
               W. A. H. Rushton   Visual Pigments in Man . . . . . . . . . 120--132
                   Harry F. and   
         Margaret Kuenne Harlow   Social Deprivation in Monkeys  . . . . . 136--147
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 151--168
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 169--180
                 Enrico Persico   Books  . . . . . . . . . . . . . . . . . 181--203
                      Anonymous   Bibliography . . . . . . . . . . . . . . 204--208

Scientific American
Volume 207, Number 6, December, 1962

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--21
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--27
                      Anonymous   The Authors  . . . . . . . . . . . . . . 30--32
                  Asa E. Snyder   Desalting Water by Freezing  . . . . . . 41--47
                   S. T. Butler   Atmospheric Tides  . . . . . . . . . . . 49--55
                    John Napier   The Evolution of the Hand  . . . . . . . 56--65
                      Anonymous   Science and the Citizen  . . . . . . . . 66--72
         William D. McElroy and   
              Howard H. Seliger   Biological Luminescence  . . . . . . . . 76--91
              Robert L. Sproull   The Conduction of Heat in Solids . . . . 92--106
                Anatol Rapoport   The Use and Misuse of Game Theory  . . . 108--119
               John A. Clements   Surface Tension in the Lungs . . . . . . 120--134
                  R. A. Deering   Ultraviolet Radiation and Nucleic Acid   135--145
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 146--156
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 161--172
                 LaMont C. Cole   Books  . . . . . . . . . . . . . . . . . 173--185
                      Anonymous   Annual Index . . . . . . . . . . . . . . 186--191
                      Anonymous   Bibliography . . . . . . . . . . . . . . 192--192


Scientific American
Volume 208, Number 1, January, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--15
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--21
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--27
              Colin M. Turnbull   The Lesson of the Pygmies  . . . . . . . 28--38
                     R. D. Hill   Resonance Particles  . . . . . . . . . . 38--47
                    R. W. Horne   The Structure of Viruses . . . . . . . . 48--57
                      Anonymous   Science and the Citizen  . . . . . . . . 58--66
                  Halton C. Arp   The Evolution of Galaxies  . . . . . . . 70--87
               Henry Gilman and   
                  John J. Eisch   Lithium  . . . . . . . . . . . . . . . . 88--106
                   Hans Wallach   The Perception of Neutral Colors . . . . 107--117
       Rupert E. Billingham and   
              Willys K. Silvers   Skin Transplants and the Hamster . . . . 118--127
                Keith B. Mather   Why do Roads Corrugate?  . . . . . . . . 128--136
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 138--146
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 147--156
            Kenneth E. Boulding   Books  . . . . . . . . . . . . . . . . . 157--157
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--172

Scientific American
Volume 208, Number 2, February, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--20
                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 13--13
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--29
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--38
                 Hadley Cantril   A Study of Aspirations . . . . . . . . . 41--45
                  Helmut A. Abt   The Rotation of Stars  . . . . . . . . . 46--53
                  Jay Boyd Best   Protopsychology  . . . . . . . . . . . . 54--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--75
               Norman D. Newell   Crises in the History of Life  . . . . . 76--93
  Tahsin Özgüç   An Assyrian Trading Outpost  . . . . . . 96--106
              Malcolm McChesney   Shock Waves and High Temperatures  . . . 109--120
               Vernon Ahmadjian   The Fungi of Lichens . . . . . . . . . . 122--133
                   J. Bronowski   The Clock Paradox  . . . . . . . . . . . 134--147
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 148--158
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 159--166
          Theodosius Dobzhansky   Books  . . . . . . . . . . . . . . . . . 169--183
                      Anonymous   Bibliography . . . . . . . . . . . . . . 184--186

Scientific American
Volume 208, Number 3, March, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--21
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--28
                      Anonymous   The Authors  . . . . . . . . . . . . . . 32--42
                    Brian Mason   Organic Matter from Space  . . . . . . . 43--49
                 H. W. Lissmann   Electric Location by Fishes  . . . . . . 50--59
               Leon M. Lederman   The Two-Neutrino Experiment  . . . . . . 60--70
                      Anonymous   Science and the Citizen  . . . . . . . . 72--79
          Marshall W. Nirenberg   The Genetic Code: II . . . . . . . . . . 80--95
             Raymond B. Cattell   The Nature and Measurement of Anxiety    96--104
                Harold W. Lewis   Ball Lightning . . . . . . . . . . . . . 106--117
                    Selig Adler   The Operation on President McKinley  . . 118--130
           Martin H. Zimmermann   How Sap Moves in Trees . . . . . . . . . 132--143
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 144--156
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 157--168
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 169--186
                      Anonymous   Bibliography . . . . . . . . . . . . . . 188--192

Scientific American
Volume 208, Number 4, April, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--22
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 26--28
                      Anonymous   The Authors  . . . . . . . . . . . . . . 38--46
               Gilbert F. White   The Mekong River Plan  . . . . . . . . . 49--59
              Martha Liller and   
                 William Liller   Planetary Nebulae  . . . . . . . . . . . 60--67
           Glenn T. Seaborg and   
              Arnold R. Fritsch   The Synthetic Elements: III  . . . . . . 68--78
                      Anonymous   Science and the Citizen  . . . . . . . . 80--85
                 J. Tuzo Wilson   Continental Drift  . . . . . . . . . . . 86--103
         Frederic Verzár   The Aging of Collagen  . . . . . . . . . 104--117
                Martin Scheerer   Problem-Solving  . . . . . . . . . . . . 118--132
             Robert S. Woodbury   The Origins of the Lathe . . . . . . . . 132--140
                Howard E. Evans   Predatory Wasps  . . . . . . . . . . . . 144--155
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 156--167
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 168--180
                Dennis H. Wrong   Books  . . . . . . . . . . . . . . . . . 181--199
                      Anonymous   Bibliography . . . . . . . . . . . . . . 200--202

Scientific American
Volume 208, Number 5, May, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--23
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 24--35
                      Anonymous   The Authors  . . . . . . . . . . . . . . 36--42
                 P. A. M. Dirac   The Evolution of the Physicist's Picture
                                  of Nature  . . . . . . . . . . . . . . . 45--53
               Gerald Oster and   
             Yasunori Nishijima   Moiré Patterns  . . . . . . . . . . . . . 54--63
              Christian de Duve   The Lysosome . . . . . . . . . . . . . . 64--73
                      Anonymous   Science and the Citizen  . . . . . . . . 74--83
               Brian J. O'Brien   Radiation Belts  . . . . . . . . . . . . 84--97
               Edward O. Wilson   Pheromones . . . . . . . . . . . . . . . 100--114
         William J. Mayer-Oakes   Early Man in the Andes . . . . . . . . . 116--129
                  H. J. Eysenek   The Measurement of Motivation  . . . . . 130--140
            Charles F. Hickling   The Cultivation of Tilapia . . . . . . . 143--153
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 154--166
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 167--176
                  John Passmore   Books  . . . . . . . . . . . . . . . . . 177--191
                      Anonymous   Bibliography . . . . . . . . . . . . . . 192--196

Scientific American
Volume 208, Number 6, June, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--19
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 20--23
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--39
             George M. Woodwell   The Ecological Effects of Radiation  . . 40--49
             Robert K. Soberman   Noctilucent Clouds . . . . . . . . . . . 50--59
                Klaus Dransfeld   Kilomegacycle Ultrasonics  . . . . . . . 60--68
                      Anonymous   Science and the Citizen  . . . . . . . . 70--79
                 H. S. Mayerson   The Lymphatic System . . . . . . . . . . 80--91
              Morton S. Roberts   Hydrogen in Galaxies . . . . . . . . . . 94--107
             John Papadimitriou   The Sanctuary of Artemis at Brauron  . . 110--122
            Gilbert W. King and   
                 Hsien-Wu Chang   Machine Translation of Chinese . . . . . 124--135
            Victor H. Denenberg   Early Experience and Emotional
                                  Development  . . . . . . . . . . . . . . 138--147
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 148--157
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 159--168
                   J. Bronowski   Books  . . . . . . . . . . . . . . . . . 169--182
                      Anonymous   Bibliography . . . . . . . . . . . . . . 183--184


Scientific American
Volume 209, Number 1, July, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--27
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--33
             Arthur L. Schawlow   Advances in Optical Masers . . . . . . . 34--45
                    Choh Hao Li   The ACTH Molecule  . . . . . . . . . . . 46--53
                Ursula Mittwoch   Sex Differences in Cells . . . . . . . . 54--63
                      Anonymous   Science and the Citizen  . . . . . . . . 64--69
                    J. N. James   The Voyage of Mariner II . . . . . . . . 70--84
                    M. R. Bloch   The Social Influence of Salt . . . . . . 88--98
              K. H. Lüling   The Archer Fish  . . . . . . . . . . . . 100--109
               A. R. Mackintosh   The Fermi Surface of Metals  . . . . . . 110--120
                 Donald Kennedy   Inhibition in Visual Systems . . . . . . 122--131
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 134--145
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 146--152
                Edwin G. Boring   Books  . . . . . . . . . . . . . . . . . 159--169
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--172

Scientific American
Volume 209, Number 2, August, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--17
              Osler L. Peterson   Medical Care in the U.S. . . . . . . . . 19--27
               Arthur I. Berman   Observatories in Space . . . . . . . . . 28--37
             E. Thomas Gilliard   The Evolution of Bowerbirds  . . . . . . 38--47
                      Anonymous   Science and the Citizen  . . . . . . . . 48--52
                 Owen Lattimore   Chingis Khan and the Mongol Conquests    54--69
               Victor F. Zackay   The Strength of Steel  . . . . . . . . . 72--83
              John Tyler Bonner   How Slime Molds Communicate  . . . . . . 84--93
             Maurice A. Garbell   The Sea that Spills into a Desert  . . . 94--100
             Renato Baserga and   
           Walter E. Kisieleski   Autobiographies of Cells . . . . . . . . 103--105
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--119
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 120--128
                 A. Rupert Hall   Books  . . . . . . . . . . . . . . . . . 129--139
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140

Scientific American
Volume 209, Number 3, September, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 14--23
                      Anonymous   The Authors  . . . . . . . . . . . . . . 24--35
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 38--47
                     Asa Briggs   Technology and Economic Development  . . 52--61
                 Kingsley Davis   Population . . . . . . . . . . . . . . . 62--71
             Nevin S. Scrimshaw   Food . . . . . . . . . . . . . . . . . . 72--81
                      Anonymous   Science and the Citizen  . . . . . . . . 82--88
                  Roger Revelle   Water  . . . . . . . . . . . . . . . . . 92--108
                  Sam H. Schurr   Energy . . . . . . . . . . . . . . . . . 110--126
                Julian W. Feiss   Minerals . . . . . . . . . . . . . . . . 128--139
             Frederick Harbison   Education for Development  . . . . . . . 140--147
               Wassily Leontief   The Structure of Development . . . . . . 148--166
            Wolfgang F. Stolper   The Development of Nigeria . . . . . . . 168--188
                  Pitambar Pant   The Development of India . . . . . . . . 189--207
                  Celso Furtado   The Development of Brazil  . . . . . . . 208--220
             Arthur Goldschmidt   The Development of the U.S. South  . . . 224--232
                Edward S. Mason   The Planning of Development  . . . . . . 235--245
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 248--266
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 267--282
                    Erich Fromm   Books  . . . . . . . . . . . . . . . . . 283--305
                      Anonymous   Bibliography . . . . . . . . . . . . . . 306--310

Scientific American
Volume 209, Number 4, October, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--26
               Clement A. Smith   The First Breath . . . . . . . . . . . . 27--35
            Gerald Feinberg and   
              Maurice Goldhaber   The Conservation Laws of Physics . . . . 36--36
                   Alick Isaacs   Foreign Nucleic Acids  . . . . . . . . . 46--53
                      Anonymous   Science and the Citizen  . . . . . . . . 54--62
                   John A. Wood   Chondrites and Chondrules  . . . . . . . 64--82
                 G. S. Brindley   Afterimages  . . . . . . . . . . . . . . 84--91
                  Peter J. Parr   The Capital of the Nabataeans  . . . . . 94--103
                  F. C. Steward   The Control of Growth in Plant Cells . . 104--113
                 Henry Gleitman   Place-Learning . . . . . . . . . . . . . 116--123
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--131
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 133--144
                   Ernest Nagel   Books  . . . . . . . . . . . . . . . . . 145--155
                      Anonymous   Bibliography . . . . . . . . . . . . . . 156--156

Scientific American
Volume 209, Number 5, November, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--19
                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 14--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--29
                      Anonymous   The Authors  . . . . . . . . . . . . . . 30--36
               Edward J. Sachar   Behavioral Science and Criminal Law  . . 39--45
                 Raymond Bowers   Plasmas in Solids  . . . . . . . . . . . 46--53
                 David H. Hubel   The Visual Cortex of the Brain . . . . . 54--63
                      Anonymous   Science and the Citizen  . . . . . . . . 64--75
                Vern O. Knudsen   Architectural Acoustics  . . . . . . . . 78--92
               H. O. J. Collier   Aspirin  . . . . . . . . . . . . . . . . 96--97
                   Earl Frieden   The Chemistry of Amphibian Metamorphosis 110--118
                Robert H. Brill   Ancient Glass  . . . . . . . . . . . . . 120--131
                   Paul F. Kerr   Quick Clay . . . . . . . . . . . . . . . 132--143
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 144--155
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 159--159
               George A. Miller   Books  . . . . . . . . . . . . . . . . . 171--185
                      Anonymous   Bibliography . . . . . . . . . . . . . . 186--188

Scientific American
Volume 209, Number 6, December, 1963

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--18
                      Anonymous   Erratum  . . . . . . . . . . . . . . . . 14--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 20--27
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--34
              Robert Herman and   
                  Keith Gardels   Vehicular Traffic Flow . . . . . . . . . 35--43
                 Alexander Rich   Polyribosomes  . . . . . . . . . . . . . 44--53
            Jesse L. Greenstein   Quasi-Stellar Radio Sources  . . . . . . 54--63
                      Anonymous   Science and the Citizen  . . . . . . . . 64--72
       Leonard V. Gallagher and   
                   Bruce S. Old   The Continuous Casting of Steel  . . . . 74--89
               P. F. Scholander   The Master Switch of Life  . . . . . . . 92--106
             Raymond V. Schoder   Ancient Cumae  . . . . . . . . . . . . . 108--121
                Kenneth W. Ford   Magnetic Monopoles . . . . . . . . . . . 122--131
                  C. G. Johnson   The Aerial Migration of Insects  . . . . 132--138
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 140--148
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 151--160
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 161--170
                      Anonymous   Annual Index . . . . . . . . . . . . . . 172--177
                      Anonymous   Bibliography . . . . . . . . . . . . . . 178--180


Scientific American
Volume 210, Number 1, January, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--20
              A. J. Haagen-Smit   The Control of Air Pollution . . . . . . 24--31
                    Bart J. Bok   The Large Cloud of Magellan  . . . . . . 32--41
                   R. W. Sperry   The Great Cerebral Commissure  . . . . . 42--53
                      Anonymous   Science and the Citizen  . . . . . . . . 54--61
                 David E. Green   The Mitochondrion  . . . . . . . . . . . 63--74
          Georges H. Werner and   
             Bachisio Latte and   
                 Andrea Contini   Trachoma . . . . . . . . . . . . . . . . 79--87
                   A. G. Massey   Boron  . . . . . . . . . . . . . . . . . 88--97
             Eugene S. Ferguson   The Origins of the Steam Engine  . . . . 98--107
                     W. P. Dyke   Advances in Field Emission . . . . . . . 108--118
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--128
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 131--138
             Leon H. Keyserling   Books  . . . . . . . . . . . . . . . . . 141--150
                      Anonymous   Bibliography . . . . . . . . . . . . . . 152--152

Scientific American
Volume 210, Number 2, February, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--14
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 22--26
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--32
                      Anonymous   The Effects of Observing Violence  . . . 35--41
             John E. Amoore and   
     James W. Johnston, Jr. and   
                   Martin Rubin   The Stereochemical Theory of Odor  . . . 42--49
                John A. O'Keefe   Tektites and Impact Fragments from the
                                  Moon . . . . . . . . . . . . . . . . . . 50--57
               Robert S. Speirs   How Cells Attack Antigens  . . . . . . . 58--64
                      Anonymous   Science and the Citizen  . . . . . . . . 66--72
           Geoffrey F. Chew and   
           Murray Gell-Mann and   
            Arthur H. Rosenfeld   Strongly Interacting Particles . . . . . 74--93
                 Carl R. Eklund   The Antarctic Skua . . . . . . . . . . . 94--100
              William H. Pierce   Redundancy in Computers  . . . . . . . . 103--112
              William L. Langer   The Black Death  . . . . . . . . . . . . 114--121
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 122--130
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 132--139
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 141--150
                      Anonymous   Bibliography . . . . . . . . . . . . . . 152--152

Scientific American
Volume 210, Number 3, March, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--22
                 Frank B. Brady   All-Weather Aircraft Landing . . . . . . 25--34
                   A. I. Braude   Bacterial Endotoxins . . . . . . . . . . 36--45
                 James R. Weeks   Experimental Narcotic Addiction  . . . . 46--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--60
             Reginald E. Newell   The Circulation of the Upper Atmosphere  62--74
              Lawrence Cranberg   Fast-Neutron Spectroscopy  . . . . . . . 79--88
            Benton J. Underwood   Forgetting . . . . . . . . . . . . . . . 91--99
              Albert B. Stewart   The Discovery of Stellar Aberration  . . 100--108
                 W. R. A. Muntz   Vision in Frogs  . . . . . . . . . . . . 110--119
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--128
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 131--139
                      Max Black   Books  . . . . . . . . . . . . . . . . . 141--150
                      Anonymous   Bibliography . . . . . . . . . . . . . . 152--152

Scientific American
Volume 210, Number 4, April, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 24--27
               Frank Barron and   
           Murray E. Jarvik and   
          Sterling Bunnell, Jr.   The Hallucinogenic Drugs . . . . . . . . 29--37
               J. A. Giordmaine   The Interaction of Light with Light  . . 38--49
          Wolfgang Beermann and   
                  Ulrich Clever   Chromosome Puffs . . . . . . . . . . . . 50--58
                      Anonymous   Science and the Citizen  . . . . . . . . 60--64
                   E. N. Parker   The Solar Wind . . . . . . . . . . . . . 66--76
           Stephen Brunauer and   
                 L. E. Copeland   The Chemistry of Concrete  . . . . . . . 80--92
                 James Mellaart   A Neolithic City in Turkey . . . . . . . 94--104
                    Erling Dorf   The Petrified Forests of Yellowstone
                                  Park . . . . . . . . . . . . . . . . . . 106--114
               Adrian M. Wenner   Sound Communication in Honeybees . . . . 116--122
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 126--135
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 136--142
                Edwin G. Boring   Books  . . . . . . . . . . . . . . . . . 145--154
                      Anonymous   Bibliography . . . . . . . . . . . . . . 156--156

Scientific American
Volume 210, Number 5, May, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--18
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--24
           Bernard Berelson and   
                Ronald Freedman   A Study in Fertility Control . . . . . . 29--37
             L. O. Barthold and   
                 H. G. Pfeiffer   High-Voltage Power Transmission  . . . . 38--47
                  S. Spiegelman   Hybrid Nucleic Acids . . . . . . . . . . 48--56
                      Anonymous   Science and the Citizen  . . . . . . . . 58--64
                Henry Selig and   
               John G. Malm and   
             Howard H. Claassen   The Chemistry of the Noble Gases . . . . 66--77
                  Paul W. Hodge   Dwarf Galaxies . . . . . . . . . . . . . 78--86
              Emil Frei III and   
              Emil J. Freireich   Leukemia . . . . . . . . . . . . . . . . 88--96
             Charles B. Ferster   Arithmetic Behavior in Chimpanzees . . . 98--106
                  A. C. Crombie   Early Concepts of the Senses and the
                                  Mind . . . . . . . . . . . . . . . . . . 108--116
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--124
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 129--136
            Marshall D. Sahlins   Books  . . . . . . . . . . . . . . . . . 139--148
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--152

Scientific American
Volume 210, Number 6, June, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
             R. L. Bisplinghoff   The Supersonic Transport . . . . . . . . 25--35
               Herbert Friedman   X-Ray Astronomy  . . . . . . . . . . . . 36--45
                    Harry Rubin   A Defective Cancer Virus . . . . . . . . 46--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--59
                 Alan E. Fisher   Chemical Stimulation of the Brain  . . . 60--68
                  Raymond Wolfe   Magnetothermoelectricity . . . . . . . . 70--82
                Sarah Clevenger   Flower Pigments  . . . . . . . . . . . . 84--92
                  Ulric Neisser   Visual Search  . . . . . . . . . . . . . 94--102
                 June Goodfield   The Tunnel of Eupalinus  . . . . . . . . 104--112
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 114--120
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--128
                   J. Bronowski   Books  . . . . . . . . . . . . . . . . . 130--136
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--140


Scientific American
Volume 211, Number 1, July, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
           Herbert H. Hyman and   
              Paul B. Sheatsley   Attitudes Toward Desegregation . . . . . 16--23
                Derek H. Fender   Control Mechanisms of the Eye  . . . . . 24--32
                 K. L. Franklin   Radio Waves from Jupiter . . . . . . . . 34--41
                      Anonymous   Science and the Citizen  . . . . . . . . 44--48
                Elwyn L. Simons   The Early Relatives of Man . . . . . . . 50--62
               Raphael H. Levey   The Thymus Hormone . . . . . . . . . . . 66--77
                  P. C. Trexler   Germ-Free Isolators  . . . . . . . . . . 78--88
                 Michael D. Coe   The Chinampas of Mexico  . . . . . . . . 90--98
                  Don L. Bunker   Computer Experiments in Chemistry  . . . 100--108
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 110--116
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 118--126
                    Jules Henry   Books  . . . . . . . . . . . . . . . . . 129--140
                      Anonymous   Bibliography . . . . . . . . . . . . . . 142--144

Scientific American
Volume 211, Number 2, August, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
             Sir Bernard Lovell   Radio-Emitting Flare Stars . . . . . . . 13--19
            Martin Jacobson and   
                  Morton Beroza   Insect Attractants . . . . . . . . . . . 20--27
           W. Brian Harland and   
           Martin J. S. Rudwick   The Great Infra-Cambrian Ice Age . . . . 28--36
                      Anonymous   Science and the Citizen  . . . . . . . . 38--44
             Maynard A. Amerine   Wine . . . . . . . . . . . . . . . . . . 46--56
            Irwin R. Konigsberg   The Embryological Origin of Muscle . . . 61--66
            V. C. Wynne-Edwards   Population Control in Animals  . . . . . 68--74
              James L. Fergason   Liquid Crystals  . . . . . . . . . . . . 76--85
             Philip E. L. Smith   The Solutrean Culture  . . . . . . . . . 86--94
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 96--99
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 100--106
               Marcus G. Raskin   Books  . . . . . . . . . . . . . . . . . 109--115
                      Anonymous   Bibliography . . . . . . . . . . . . . . 116--116

Scientific American
Volume 211, Number 3, September, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--20
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--35
                Richard Courant   Mathematics in the Modern World  . . . . 40--49
                Philip J. Davis   Number . . . . . . . . . . . . . . . . . 50--59
                   Morris Kline   Geometry . . . . . . . . . . . . . . . . 60--69
                   W. W. Sawyer   Algebra  . . . . . . . . . . . . . . . . 70--79
                      Anonymous   Science and the Citizen  . . . . . . . . 80--89
                       Mark Kac   Probability  . . . . . . . . . . . . . . 92--108
                    W. V. Quine   The Foundations of Mathematics . . . . . 112--127
               Freeman J. Dyson   Mathematics in the Physical Sciences . . 128--146
                Edward F. Moore   Mathematics in the Biological Sciences   148--164
                  Richard Stone   Mathematics in the Social Sciences . . . 168--182
                Richard Bellman   Control Theory . . . . . . . . . . . . . 186--200
              Stanislaw M. Ulam   Computers  . . . . . . . . . . . . . . . 202--216
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 218--224
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 227--241
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 243--264
                      Anonymous   Bibliography . . . . . . . . . . . . . . 269--272

Scientific American
Volume 211, Number 4, October, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--20
          Jerome B. Wiesner and   
                Herbert F. York   National Security and the Nuclear-Test
                                  Ban  . . . . . . . . . . . . . . . . . . 27--35
          William B. Fowler and   
             Nicholas P. Samios   The Omega-Minus Experiment . . . . . . . 36--45
          Heinz Fraenkel-Conrat   The Genetic Code of a Virus  . . . . . . 46--54
                      Anonymous   Science and the Citizen  . . . . . . . . 56--60
              Sir Graham Sutton   Micrometeorology . . . . . . . . . . . . 62--76
              Stella Y. Botelho   Tears and the Lacrimal Gland . . . . . . 78--86
                Ralph S. Mosher   Industrial Manipulators  . . . . . . . . 88--95
                 Paul A. Kolers   The Illusion of Movement . . . . . . . . 98--106
              Stanley C. Wecker   Habitat Selection  . . . . . . . . . . . 109--116
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--126
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--132
                   A. E. Mirsky   Books  . . . . . . . . . . . . . . . . . 135--141
                      Anonymous   Bibliography . . . . . . . . . . . . . . 142--144

Scientific American
Volume 211, Number 5, November, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--18
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--25
            Richard S. MacNeish   The Origins of New World Civilization    29--37
               Allan R. Sandage   Exploding Galaxies . . . . . . . . . . . 38--47
              Daniel S. Lehrman   The Reproductive Behavior of Ring Doves  48--55
                      Anonymous   Science and the Citizen  . . . . . . . . 56--60
                   M. F. Perutz   The Hemoglobin Molecule  . . . . . . . . 64--76
            Bernhard Wunderlich   The Solid State of Polyethylene  . . . . 80--94
                    Mary McNeil   Lateritic Soils  . . . . . . . . . . . . 96--103
                R. S. Shankland   The Michelson--Morley Experiment . . . . 107--114
                     John Cohen   Psychological Time . . . . . . . . . . . 116--124
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 126--133
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 134--143
               George A. Miller   Books  . . . . . . . . . . . . . . . . . 145--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--156

Scientific American
Volume 211, Number 6, December, 1964

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--13
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--17
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--22
              R. H. Simpson and   
               Joanne S. Malkus   Experiments in Hurricane Modification    27--37
            Eugene M. Shoemaker   The Geology of the Moon  . . . . . . . . 38--47
       Edward F. MacNichol, Jr.   Three-Pigment Color Vision . . . . . . . 48--57
                      Anonymous   Science and the Citizen  . . . . . . . . 60--64
                   Hans Neurath   Protein-Digesting Enzymes  . . . . . . . 68--79
             Stanley W. Angrist   Fluid Control Devices  . . . . . . . . . 80--88
                 Olaf H. Prufer   The Hopewell Cult  . . . . . . . . . . . 90--102
                G. J. V. Nossal   How Cells Make Antibodies  . . . . . . . 106--115
                        F. Reif   Quantized Vortex Rings in Superfluid
                                  Helium . . . . . . . . . . . . . . . . . 116--122
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--130
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 134--141
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 143--149
                      Anonymous   Annual Index . . . . . . . . . . . . . . 150--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--156


Scientific American
Volume 212, Number 1, January, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--17
                  Nora K. Piore   Metropolitan Medical Economics . . . . . 19--27
                    John Strong   Infrared Astronomy by Balloon  . . . . . 28--37
                 David Turnbull   The Undercooling of Liquids  . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--52
                Sir John Eccles   The Synapse  . . . . . . . . . . . . . . 56--68
                     Ruth Sager   Genes Outside the Chromosomes  . . . . . 70--79
          Giorgio de Santillana   Alessandro Volta . . . . . . . . . . . . 82--91
                M. E. Bitterman   The Evolution of Intelligence  . . . . . 92--100
              George B. Benedek   Magnetic Resonance at High Pressure  . . 102--108
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 110--116
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 118--122
                     Asa Briggs   Books  . . . . . . . . . . . . . . . . . 125--133
                      Anonymous   Bibliography . . . . . . . . . . . . . . 134--136

Scientific American
Volume 212, Number 2, February, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--17
                   W. A. Little   Superconductivity at Room Temperature    21--27
                  Anthony Kelly   Fiber-Reinforced Metals  . . . . . . . . 28--37
                    Bela Julesz   Texture and Visual Perception  . . . . . 38--48
                      Anonymous   Science and the Citizen  . . . . . . . . 50--54
               William Montagna   The Skin . . . . . . . . . . . . . . . . 56--66
                R. S. Edgar and   
                  R. H. Epstein   The Genetics of a Bacterial Virus  . . . 70--79
                John R. Nichols   How Opiates Change Behavior  . . . . . . 80--88
           Peter O. Vandervoort   The Age of the Orion Nebula  . . . . . . 90--101
                Cyrus H. Gordon   The Greeks and the Hebrews . . . . . . . 102--111
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--116
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 118--123
                 A. Rupert Hall   Books  . . . . . . . . . . . . . . . . . 125--133
                      Anonymous   Bibliography . . . . . . . . . . . . . . 134--136

Scientific American
Volume 212, Number 3, March, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--18
             Maurice A. Garbell   The Jordan Valley Plan . . . . . . . . . 23--31
               Lester H. Germer   The Structure of Crystal Surfaces  . . . 32--41
               Brian B. Boycott   Learning in the Octopus  . . . . . . . . 42--50
                      Anonymous   Science and the Citizen  . . . . . . . . 52--57
        Laurence J. Cahill, Jr.   The Magnetosphere  . . . . . . . . . . . 58--68
            Keith R. Porter and   
       Clara Franzini-Armstrong   The Sarcoplasmic Reticulum . . . . . . . 72--80
               Peter F. Ostwald   Acoustic Methods in Psychiatry . . . . . 82--91
              Robert A. Chipman   De Forest and the Triode Detector  . . . 92--100
          Francis H. Harlow and   
                 Jacob E. Fromm   Computer Experiments in Fluid Dynamics   104--110
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--117
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 119--126
                Martin J. Klein   Books  . . . . . . . . . . . . . . . . . 129--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--140

Scientific American
Volume 212, Number 4, April, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--23
            Wassily W. Leontief   The Structure of the U.S. Economy  . . . 25--35
           Jean-Pierre Changeux   The Control of Biochemical Reactions . . 36--45
                Eckhard H. Hess   Attitude and Pupil Size  . . . . . . . . 46--54
                      Anonymous   Science and the Citizen  . . . . . . . . 56--64
              Henry H. Kolm and   
              Arthur J. Freeman   Intense Magnetic Fields  . . . . . . . . 66--78
               Robert J. Rodden   An Early Neolithic Village in Greece . . 82--92
              Kenneth D. Roeder   Moths and Ultrasound . . . . . . . . . . 94--102
           Robert S. Richardson   The Discovery of Icarus  . . . . . . . . 106--115
           J. W. L. Köhler   The Stirling Refrigeration Cycle . . . . 119--127
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 128--135
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 136--144
                 Frank A. Beach   Books  . . . . . . . . . . . . . . . . . 147--157
                      Anonymous   Bibliography . . . . . . . . . . . . . . 158--160

Scientific American
Volume 212, Number 5, May, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
          Alexander H. Leighton   Poverty and Social Change  . . . . . . . 21--27
                 Zden\vek Kopal   The Luminescence of the Moon . . . . . . 28--37
              Alexander Zeitlin   High-Pressure Technology . . . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--57
                   O. R. Frisch   Molecular Beams  . . . . . . . . . . . . 58--74
                    Archie Carr   The Navigation of the Green Turtle . . . 78--86
        Carleton B. Chapman and   
               Jere H. Mitchell   The Physiology of Exercise . . . . . . . 88--96
                M. I. Artamonov   Frozen Tombs of the Scythians  . . . . . 100--109
              Emile Zuckerkandl   The Evolution of Hemoglobin  . . . . . . 110--118
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--126
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--136
            Kenneth E. Boulding   Books  . . . . . . . . . . . . . . . . . 139--149
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--152

Scientific American
Volume 212, Number 6, June, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--22
            Emmett N. Leith and   
                Juris Upatnieks   Photography by Laser . . . . . . . . . . 24--35
               Eric H. Davidson   Hormones and Genes . . . . . . . . . . . 36--45
             Glenn L. Berge and   
            George A. Seielstad   The Magnetic Field of the Galaxy . . . . 46--54
                      Anonymous   Science and the Citizen  . . . . . . . . 56--61
           Christopher J. Pratt   Chemical Fertilizers . . . . . . . . . . 62--72
                 David S. Smith   The Flight Muscles of Insects  . . . . . 76--88
            John A. Coffman and   
              William R. Browne   Corona Chemistry . . . . . . . . . . . . 90--98
             Taro Takahashi and   
             William A. Bassett   The Composition of the Earth's Interior  100--108
             J. Worth Estes and   
              Paul Dudley White   William Withering and the Purple
                                  Foxglove . . . . . . . . . . . . . . . . 110--119
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--124
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 126--134
                  Paul Bohannan   Books  . . . . . . . . . . . . . . . . . 137--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--148


Scientific American
Volume 213, Number 1, July, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--17
                    Dael Wolfle   The Support of Science in the U.S. . . . 19--25
              Brian J. Robinson   Hydroxyl Radicals in Space . . . . . . . 26--33
                 Noel de Nevers   The Secondary Recovery of Petroleum  . . 34--42
                      Anonymous   Science and the Citizen  . . . . . . . . 44--49
         Richard J. Wurtman and   
                 Julius Axelrod   The Pineal Gland . . . . . . . . . . . . 50--60
                 Francis Bitter   Ultrastrong Magnetic Fields  . . . . . . 64--73
      Eugene I. Rabinowitch and   
                      Govindjee   The Role of Chlorophyll in
                                  Photosynthesis . . . . . . . . . . . . . 74--83
             Kathleen M. Kenyon   Ancient Jerusalem  . . . . . . . . . . . 84--91
              Bernard Greenberg   Flies and Disease  . . . . . . . . . . . 92--99
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 100--104
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 106--110
                Edwin G. Boring   Books  . . . . . . . . . . . . . . . . . 113--123
                      Anonymous   Bibliography . . . . . . . . . . . . . . 124--124

Scientific American
Volume 213, Number 2, August, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 11--11
                Karl E. Taeuber   Residential Segregation  . . . . . . . . 12--19
            Bruce C. Murray and   
              James A. Westphal   Infrared Astronomy . . . . . . . . . . . 20--29
                  L. K. Edwards   High-Speed Tube Transportation . . . . . 30--40
                      Anonymous   Science and the Citizen  . . . . . . . . 42--46
                 R. B. Leachman   Nuclear Fission  . . . . . . . . . . . . 49--59
      Michael J. R. Dawkins and   
                     David Hull   The Production of Heat by Fat  . . . . . 62--67
                   Gerald Oster   Density Gradients  . . . . . . . . . . . 70--76
                    J. R. Brett   The Swimming Energetics of Salmon  . . . 80--85
             Victor A. McKusick   The Royal Hemophilia . . . . . . . . . . 88--95
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 96--100
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 102--107
                      Max Black   Books  . . . . . . . . . . . . . . . . . 109--117
                      Anonymous   Bibliography . . . . . . . . . . . . . . 118--120

Scientific American
Volume 213, Number 3, September, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--20
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--32
                 Kingsley Davis   The Urbanization of the Human Population 40--53
                 Gideon Sjoberg   The Origin and Evolution of Cities . . . 54--63
                Hans Blumenfeld   The Modern Metropolis  . . . . . . . . . 64--74
                      Anonymous   Science and the Citizen  . . . . . . . . 76--86
              Nirmal Kumar Bose   Calcutta: A Premature Metropolis . . . . 90--102
          Göran Sidenbladh   Stockholm: A Planned City  . . . . . . . 106--121
                   Lloyd Rodwin   Ciudad Guayana: A New City . . . . . . . 122--132
               Benjamin Chinitz   New York: A Metropolitan Region  . . . . 134--148
                 Charles Abrams   The Uses of Land in Cities . . . . . . . 150--160
                John W. Dyckman   Transportation in Cities . . . . . . . . 162--174
                    Abel Wolman   The Metabolism of Cities . . . . . . . . 178--190
                  Nathan Glazer   The Renewal of Cities  . . . . . . . . . 194--204
                    Kevin Lynch   The City as Environment  . . . . . . . . 209--219
                     M. Gardner   The superellipse: a curve that lies
                                  between the ellipse and the rectangle    222--234
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 222--236
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 239--254
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 257--272
                      Anonymous   Bibliography . . . . . . . . . . . . . . 276--280

Scientific American
Volume 213, Number 4, October, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--9
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
              Alfred Champagnat   Protein from Petroleum . . . . . . . . . 13--17
           C. Andrew L. Bassett   Electrical Effects in Bone . . . . . . . 18--25
                  Edward Anders   Diamonds in Meteorites . . . . . . . . . 26--36
                      Anonymous   Science and the Citizen  . . . . . . . . 38--42
                     A. J. Ayer   Chance . . . . . . . . . . . . . . . . . 44--54
                    R. D. Parks   Quantum Effects in Superconductors . . . 57--67
              Edward P. Lanning   Early Man in Peru  . . . . . . . . . . . 68--76
            Lowell E. Hokin and   
                 Mabel R. Hokin   The Chemistry of Cell Membranes  . . . . 78--86
              Richard J. Andrew   The Origins of Facial Expressions  . . . 88--94
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 96--104
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 106--112
                Anatol Rapoport   Books  . . . . . . . . . . . . . . . . . 115--125
                      Anonymous   Bibliography . . . . . . . . . . . . . . 126--128

Scientific American
Volume 213, Number 5, November, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--19
                  Ruth C. Silva   Reapportionment and Redistricting  . . . 20--27
                    Frank Press   Resonant Vibrations of the Earth . . . . 28--37
                Willem J. Kolff   An Artificial Heart inside the Body  . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--54
       William C. Hittinger and   
                  Morgan Sparks   Microelectronics . . . . . . . . . . . . 56--70
                 Armin C. Braun   The Reversal of Tumor Growth . . . . . . 75--83
                   Richard Held   Plasticity in Sensory-Motor Systems  . . 84--94
                       Hao Wang   Games, Logic and Computers . . . . . . . 98--106
                  Johan T. Ruud   The Ice Fish . . . . . . . . . . . . . . 108--115
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--123
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--130
                   Ernest Nagel   Books  . . . . . . . . . . . . . . . . . 133--141
                      Anonymous   Bibliography . . . . . . . . . . . . . . 142--144

Scientific American
Volume 213, Number 6, December, 1965

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
             M. N. Srinivas and   
   André Béteille   The ``Untouchables'' of India  . . . . . 13--17
                   H. E. Huxley   The Mechanism of Muscular Contraction    18--27
               Eugene P. Wigner   Violations of Symmetry in Physics  . . . 28--36
                      Anonymous   Science and the Citizen  . . . . . . . . 38--42
              Miriam Rothschild   Fleas  . . . . . . . . . . . . . . . . . 44--53
              Syun-Ichi Akasofu   The Aurora . . . . . . . . . . . . . . . 54--62
            Earl H. Freimer and   
                 Maclyn McCarty   Rheumatic Fever  . . . . . . . . . . . . 66--74
                 David M. Gates   Heat Transfer in Plants  . . . . . . . . 76--84
            E. Donnell Blackham   The Physics of the Piano . . . . . . . . 88--99
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 100--105
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 106--113
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 114--121
                      Anonymous   Annual Index . . . . . . . . . . . . . . 122--125
                      Anonymous   Bibliography . . . . . . . . . . . . . . 126--128


Scientific American
Volume 214, Number 1, January, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
              Stewart E. Miller   Communication by Laser . . . . . . . . . 19--27
           Betty J. Meggers and   
                 Clifford Evans   A Transpacific Contact in 3000 B.C.  . . 28--35
                    John Cairns   The Bacterial Chromosome . . . . . . . . 36--44
                      Anonymous   Science and the Citizen  . . . . . . . . 46--51
           H. M. Schurmeier and   
              R. L. Heacock and   
                    A. E. Wolfe   The Ranger Missions to the Moon  . . . . 52--67
                 Joseph Arditti   Orchids  . . . . . . . . . . . . . . . . 70--78
               Richard Wolfgang   Chemistry at High Velocities . . . . . . 82--90
                Laurence Irving   Adaptations to Cold  . . . . . . . . . . 94--101
                Marvin Shinbrot   Fixed-Point Theorems . . . . . . . . . . 105--111
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--115
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 116--121
                Howard E. Evans   Books  . . . . . . . . . . . . . . . . . 123--133
                      Anonymous   Bibliography . . . . . . . . . . . . . . 134--136

Scientific American
Volume 214, Number 2, February, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 17--17
                 Noel de Nevers   Tar Sands and Oil Shales . . . . . . . . 21--29
               Robert W. Holley   The Nucleotide Sequence of a Nucleic
                                  Acid . . . . . . . . . . . . . . . . . . 30--39
           Frederick Reines and   
             J. P. F. Sellschop   Neutrinos from the Atmosphere and Beyond 40--48
                      Anonymous   Science and the Citizen  . . . . . . . . 50--54
          Julius H. Comroe, Jr.   The Lung . . . . . . . . . . . . . . . . 56--68
                 Peter R. Swann   Stress-Corrosion Failure . . . . . . . . 72--81
                   David Jensen   The Hagfish  . . . . . . . . . . . . . . 82--90
           Edward R. LaChapelle   The Control of Snow Avalanches . . . . . 92--101
                  D. D. Kosambi   Scientific Numismatics . . . . . . . . . 102--111
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--118
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 120--127
                Stephen Toulmin   Books  . . . . . . . . . . . . . . . . . 129--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--139

Scientific American
Volume 214, Number 3, March, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--22
             Joseph B. MacInnis   Living under the Sea . . . . . . . . . . 24--33
                  Fred Rapp and   
              Joseph L. Melnick   The Footprints of Tumor Viruses  . . . . 34--41
                    J. N. James   The Voyage of Mariner IV . . . . . . . . 42--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--58
                E. A. Muyderman   Bearings . . . . . . . . . . . . . . . . 60--71
                 Peter F. Baker   The Nerve Axon . . . . . . . . . . . . . 74--82
                 D. J. Mulvaney   The Prehistory of the Australian
                                  Aborigine  . . . . . . . . . . . . . . . 84--93
             Theodore H. Savory   False Scorpions  . . . . . . . . . . . . 95--100
                Robert A. Young   The Airglow  . . . . . . . . . . . . . . 102--110
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--118
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 120--126
                    N. W. Pirie   Books  . . . . . . . . . . . . . . . . . 131--141
                      Anonymous   Bibliography . . . . . . . . . . . . . . 143--144

Scientific American
Volume 214, Number 4, April, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--17
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--20
                 Anne P. Carter   The Economics of Technological Change    25--31
             George C. Pimentel   Chemical Lasers  . . . . . . . . . . . . 32--39
           Robert S. Ledley and   
                Frank H. Ruddle   Chromosome Analysis by Computer  . . . . 40--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--51
             Robert B. Leighton   The Photographs from Mariner IV  . . . . 54--68
           Dudley T. Easby, Jr.   Early Metallurgy in the New World  . . . 72--81
                 Seymour Levine   Sex Differences in the Brain . . . . . . 84--90
               Vernon W. Hughes   The Muonium Atom . . . . . . . . . . . . 93--100
                   Luigi Gorini   Antibiotics and the Genetic Code . . . . 102--109
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 110--121
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--129
            Kenneth E. Boulding   Books  . . . . . . . . . . . . . . . . . 131--139
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140

Scientific American
Volume 214, Number 5, May, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--18
             Robert P. Ambroggi   Water under the Sahara . . . . . . . . . 21--29
       Donald N. Langenberg and   
       Douglas J. Scalapino and   
                Barry N. Taylor   The Josephson Effects  . . . . . . . . . 30--39
                  Jack Schubert   Chelation in Medicine  . . . . . . . . . 40--50
                      Anonymous   Science and the Citizen  . . . . . . . . 52--61
               Richard K. Sloan   The Scientific Experiments of Mariner IV 62--72
                  William Etkin   How a Tadpole Becomes a Frog . . . . . . 76--88
                George F. Dales   The Decline of the Harappans . . . . . . 92--100
               Victor J. Wilson   Inhibition in the Central Nervous System 102--110
               Anthony Phillips   Turning a Surface Inside Out . . . . . . 112--120
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 122--127
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--135
                  David Hawkins   Books  . . . . . . . . . . . . . . . . . 137--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--148

Scientific American
Volume 214, Number 6, June, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
              Forrest E. Linder   The Health of the American People  . . . 21--29
                   R. W. Clarke   Locating Radio Sources with the Moon . . 30--41
                Cyrus Levinthal   Molecular Model-Building by Computer . . 42--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--58
            Luna B. Leopold and   
                 W. B. Langbein   River Meanders . . . . . . . . . . . . . 60--70
                 Patrick Echlin   The Blue-Green Algae . . . . . . . . . . 74--81
                    Imants Reba   Applications of the Coanda Effect  . . . 84--92
                  Leo K. Bustad   Pigs in the Laboratory . . . . . . . . . 94--100
           C. Vance Haynes, Jr.   Elephant-Hunting in North America  . . . 104--112
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--122
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--128
            Marshall D. Sahlins   Books  . . . . . . . . . . . . . . . . . 131--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144


Scientific American
Volume 215, Number 1, July, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
             Sir Edward Bullard   The Detection of Underground Explosions  19--29
                Louis Z. Cooper   German Measles . . . . . . . . . . . . . 30--37
                     David Kahn   Modern Cryptology  . . . . . . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--54
               Wilbor O. Wilson   Poultry Production . . . . . . . . . . . 56--64
                Gilbert Shapiro   Polarized Accelerator Targets  . . . . . 68--78
          Bastiaan J. D. Meeuse   The Voodoo Lily  . . . . . . . . . . . . 80--88
              Lloyd R. Peterson   Short-Term Memory  . . . . . . . . . . . 90--95
           Don B. Sullenger and   
               C. H. L. Kennard   Boron Crystals . . . . . . . . . . . . . 96--107
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 108--112
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 114--118
                     Asa Briggs   Books  . . . . . . . . . . . . . . . . . 123--129
                      Anonymous   Bibliography . . . . . . . . . . . . . . 130--132

Scientific American
Volume 215, Number 2, August, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
                    Scott McVay   The Last of the Great Whales . . . . . . 13--21
                 Raymond Bowers   A Solid-State Source of Microwaves . . . 22--31
              Geoffrey Burbidge   The Origin of Cosmic Rays  . . . . . . . 32--38
                      Anonymous   Science and the Citizen  . . . . . . . . 40--44
                 David M. Spain   Atherosclerosis  . . . . . . . . . . . . 48--56
       Halsey C. Herreshoff and   
                   J. N. Newman   The Study of Sailing Yachts  . . . . . . 60--68
                  R. G. Edwards   Mammalian Eggs in the Laboratory . . . . 72--81
              Daniel E. Berlyne   Conflict and Arousal . . . . . . . . . . 82--87
                Lawrence Badash   How the ``Newer Alchemy'' was Received   88--95
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 96--99
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 100--104
                 Frank A. Beach   Books  . . . . . . . . . . . . . . . . . 107--113
                      Anonymous   Bibliography . . . . . . . . . . . . . . 114--116

Scientific American
Volume 215, Number 3, September, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 12--16
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 30--30
                      Anonymous   The Authors  . . . . . . . . . . . . . . 45--51
                  John McCarthy   Information  . . . . . . . . . . . . . . 64--72
                 David C. Evans   Computer Logic and Memory  . . . . . . . 74--85
             Ivan E. Sutherland   Computer Inputs and Outputs  . . . . . . 86--96
                      Anonymous   Science and the Citizen  . . . . . . . . 100--109
           Christopher Strachey   System Analysis and Programming  . . . . 112--124
                 R. M. Fano and   
           F. J. Corbató   Time-Sharing on Computers  . . . . . . . 128--140
                 John R. Pierce   The Transmission of Computer Data  . . . 144--156
           Anthony G. Oettinger   The Uses of Computers in Science . . . . 160--172
             Steven Anson Coons   The Uses of Computers in Technology  . . 176--188
             Martin Greenberger   The Uses of Computers in Organizations   192--202
                 Patrick Suppes   The Uses of Computers in Education . . . 206--220
                 Ben-Ami Lipetz   Information Storage and Retrieval  . . . 224--242
               Marvin L. Minsky   Artificial Intelligence  . . . . . . . . 246--260
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 264--272
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 277--293
              Mark DeWolfe Howe   Books  . . . . . . . . . . . . . . . . . 295--306
                      Anonymous   Bibliography . . . . . . . . . . . . . . 312--316

Scientific American
Volume 215, Number 4, October, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
                    Oscar Lewis   The Culture of Poverty . . . . . . . . . 19--25
                  S. K. Runcorn   Corals as Paleontological Clocks . . . . 26--33
              George A. Hoffman   The Electric Automobile  . . . . . . . . 34--40
                      Anonymous   Science and the Citizen  . . . . . . . . 42--48
                 F. H. C. Crick   The Genetic Code: III  . . . . . . . . . 55--62
              Gerald L. Pollack   Solid Noble Gases  . . . . . . . . . . . 64--74
                John E. Dowling   Night Blindness  . . . . . . . . . . . . 78--84
               Jerome R. Ravetz   The Origins of the Copernican Revolution 88--98
              John T. Emlen and   
              Richard L. Penney   The Navigation of Penguins . . . . . . . 104--113
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 114--118
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 120--126
                Anatol Rapoport   Books  . . . . . . . . . . . . . . . . . 129--149
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--152

Scientific American
Volume 215, Number 5, November, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 18--22
                      Anonymous   The Authors  . . . . . . . . . . . . . . 28--30
                   Genko Uchida   Technology in China  . . . . . . . . . . 37--45
             William W. Howells   \em Homo Erectus . . . . . . . . . . . . 46--53
          William C. Livingston   Magnetic Fields on the Quiet Sun . . . . 54--62
                      Anonymous   Science and the Citizen  . . . . . . . . 64--74
              David C. Phillips   The Three-Dimensional Structure of an
                                  Enzyme Molecule  . . . . . . . . . . . . 78--90
          Charles F. Powers and   
               Andrew Robertson   The Aging Great Lakes  . . . . . . . . . 94--104
              Gerard K. O'Neill   Particle Storage Rings . . . . . . . . . 107--116
                   Aharon Gibor   Acetabularia: A Useful Giant Cell  . . . 118--124
                 Marshall Gates   Analgesic Drugs  . . . . . . . . . . . . 131--136
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 138--143
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 144--149
                 Harlow Shapley   Books  . . . . . . . . . . . . . . . . . 153--159
                      Anonymous   Bibliography . . . . . . . . . . . . . . 160--160

Scientific American
Volume 215, Number 6, December, 1966

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
               T. K. Fowler and   
                Richard F. Post   Progress toward Fusion Power . . . . . . 21--31
           Edouard Kellenberger   The Genetic Control of the Shape of a
                                  Virus  . . . . . . . . . . . . . . . . . 32--39
          Geoffrey Burbidge and   
                     Fred Hoyle   The Problem of the Quasi-Stellar Objects 40--52
                      Anonymous   Science and the Citizen  . . . . . . . . 56--65
                 Leo L. Beranek   Noise  . . . . . . . . . . . . . . . . . 66--76
                 T. G. R. Bower   The Visual World of Infants  . . . . . . 80--92
               Ch. J. Makaronas   Pella: Capital of Ancient Macedonia  . . 98--105
                Robert R. Sokal   Numerical Taxonomy . . . . . . . . . . . 106--116
                  L. K. Runnels   Ice  . . . . . . . . . . . . . . . . . . 118--126
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 128--132
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 135--138
            Philip Morrison and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 141--149
                      Anonymous   Annual Index . . . . . . . . . . . . . . 150--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--156


Scientific American
Volume 216, Number 1, January, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 21--22
                 Burke M. Smith   The Polygraph  . . . . . . . . . . . . . 25--31
          Geoffrey Eglinton and   
                  Melvin Calvin   Chemical Fossils . . . . . . . . . . . . 32--43
                  Joe Ben Wheat   A Paleo-Indian Bison Kill  . . . . . . . 44--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--60
               E. J. Jensen and   
                    H. S. Ellis   Pipelines  . . . . . . . . . . . . . . . 62--72
                  S. A. Barnett   Rats . . . . . . . . . . . . . . . . . . 78--85
                    Martin Pope   Electric Currents in Organic Crystals    86--97
                 Martin Gardner   Can Time go Backward?  . . . . . . . . . 98--108
               Robert W. Leader   The Kinship of Animal and Human Diseases 110--116
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--123
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--128
              Rudolf E. Peierls   Books: An examination of the quantum
                                  jumps in the growth of quantum
                                  mechanics: \booktitleThe Conceptual
                                  Development of Quantum Mechanics, by Max
                                  Jammer. McGraw-Hill Book Company . . . . 137--140, 142, 144--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--148

Scientific American
Volume 216, Number 2, February, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--22
                    N. W. Pirie   Orthodox and Unorthodox Methods of
                                  Meeting World Food Needs . . . . . . . . 27--35
         Philip C. Hanawalt and   
               Robert H. Haynes   The Repair of DNA  . . . . . . . . . . . 36--43
                  Allan Cox and   
         G. Brent Dalrymple and   
               Richard R. Doell   Reversals of the Earth's Magnetic Field  44--54
                      Anonymous   Science and the Citizen  . . . . . . . . 56--60
                  Michel Jouvet   The States of Sleep  . . . . . . . . . . 62--72
                   James L. Dye   The Solvated Electron  . . . . . . . . . 76--83
                 R. Wayne Kraft   Controlled Eutectics . . . . . . . . . . 86--92
            Jacob Gershon-Cohen   Medical Thermography . . . . . . . . . . 94--102
                  D. D. Kosambi   Living Prehistory in India . . . . . . . 104--112
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--120
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--128
                  S. A. Barnett   Books  . . . . . . . . . . . . . . . . . 135--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--148

Scientific American
Volume 216, Number 3, March, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 19--19
             George M. Woodwell   Toxic Substances and Ecological Cycles   24--31
                   E. F. Adolph   The Heart's Pacemaker  . . . . . . . . . 32--37
  Tahsin Özgüç   Ancient Ararat . . . . . . . . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--57
                Albert R. Hibbs   The Surface of the Moon  . . . . . . . . 60--74
                 Albert Bandura   Behavioral Psychotherapy . . . . . . . . 78--86
                     Hugo Boyko   Salt-Water Agriculture . . . . . . . . . 89--96
                 Lynwood Bryant   The Origin of the Automobile Engine  . . 102--112
         William B. Sampson and   
              Paul P. Craig and   
                 Myron Strongin   Advances in Superconducting Magnets  . . 114--123
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--129
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 130--134
                John C. Kendrew   Books  . . . . . . . . . . . . . . . . . 141--149
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--152

Scientific American
Volume 216, Number 4, April, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
                 James P. Comer   The Social Power of the Negro  . . . . . 21--27
                Renato Dulbecco   The Induction of Cancer by Viruses . . . 28--37
                  Alfred Gessow   The Changing Helicopter  . . . . . . . . 38--47
                      Anonymous   Science and the Citizen  . . . . . . . . 48--52
                    John Napier   The Antiquity of Human Walking . . . . . 56--66
             Werner H. Wahl and   
                Henry H. Kramer   Neutron --- Activation Analysis  . . . . 68--82
                   H. F. Garner   Rivers in the Making . . . . . . . . . . 84--94
                    Harald Esch   The Evolution of Bee Language  . . . . . 96--104
           Hannes Alfvén   Antimatter and Cosmology . . . . . . . . 106--114
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--120
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--128
           Maxwell H. Braverman   Books  . . . . . . . . . . . . . . . . . 135--145
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--148

Scientific American
Volume 216, Number 5, May, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 21--21
                     T. R. Bump   A Third Generation of Breeder Reactors   25--33
                Suk Ki Hong and   
                   Hermann Rabn   The Diving Women of Korea and Japan  . . 34--43
                 Donald Kennedy   Small Systems of Nerve Cells . . . . . . 44--52
                      Anonymous   Science and the Citizen  . . . . . . . . 54--60
               Eric Oxenstierna   The Vikings  . . . . . . . . . . . . . . 66--78
               Charles Yanofsky   Gene Structure and Protein Structure . . 80--94
                 Irvin Rock and   
              Charles S. Harris   Vision and Touch . . . . . . . . . . . . 96--104
     Frederick F. Morehead, Jr.   Light-Emitting Semiconductors  . . . . . 108--122
                Gerald Feinberg   Ordinary Matter  . . . . . . . . . . . . 126--134
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 136--141
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 142--148
               Robert M. Mengel   Books  . . . . . . . . . . . . . . . . . 155--164
                      Anonymous   Bibliography . . . . . . . . . . . . . . 167--168

Scientific American
Volume 216, Number 6, June, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
            J. Herbert Hollomon   The U.S. Patent System . . . . . . . . . 19--27
           P. J. E. Peebles and   
             David T. Wilkinson   The Primeval Fireball  . . . . . . . . . 28--37
             René Millon   Teotihuacán . . . . . . . . . . . . . . . 38--48
                      Anonymous   Science and the Citizen  . . . . . . . . 50--57
               Ruth Hubbard and   
                    Allen Kropf   Molecular Isomers in Vision  . . . . . . 64--76
         Alexander Lempicki and   
                Harold Samelson   Liquid Lasers  . . . . . . . . . . . . . 80--90
   Sullivan S. Marsden, Jr. and   
               Stanley N. Davis   Geological Subsidence  . . . . . . . . . 93--100
            Paul R. Ehrlich and   
                 Peter H. Raven   Butterflies and Plants . . . . . . . . . 104--113
            Bernard W. Agranoff   Memory and Protein Synthesis . . . . . . 115--122
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--132
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 135--142
                   O. R. Frisch   Books: \booktitleNiels Bohr, his life
                                  and work, edited by S. Rozental.
                                  \booktitleNiels Bohr, by Ruth Moore  . . 145--153
                      Anonymous   Bibliography . . . . . . . . . . . . . . 155--156


Scientific American
Volume 217, Number 1, July, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
            Carroll M. Williams   Third-Generation Pesticides  . . . . . . 13--17
                Jan A. Rajchman   Integrated Computer Memories . . . . . . 18--31
             Billy P. Glass and   
                Bruce C. Heezen   Tektites and Geomagnetic Reversals . . . 32--38
                      Anonymous   Science and the Citizen  . . . . . . . . 40--44
                Anatol Rapoport   Escape From Paradox  . . . . . . . . . . 50--56
            William B. Wood and   
                    R. S. Edgar   Building a Bacterial Virus . . . . . . . 60--74
                Francis F. Chen   The Leakage Problem in Fusion Reactors   76--88
           James J. Parsons and   
             William M. Denevan   Pre-Columbian Ridged Fields  . . . . . . 92--100
         Victor A. McKusick and   
                David L. Rimoin   General Tom Thumb and Other Midgets  . . 102--110
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--116
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 118--123
                Robert M. Adams   Books  . . . . . . . . . . . . . . . . . 124--133
                      Anonymous   Bibliography . . . . . . . . . . . . . . 134--136

Scientific American
Volume 217, Number 2, August, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--8
                      Anonymous   The Authors  . . . . . . . . . . . . . . 10--10
               William P. Lowry   The Climate of Cities  . . . . . . . . . 15--23
           Michael S. Gazzaniga   The Split Brain in Man . . . . . . . . . 24--29
               George H. Herbig   The Youngest Stars . . . . . . . . . . . 30--36
                      Anonymous   Science and the Citizen  . . . . . . . . 38--44
              Clarence F. Kelly   Mechanical Harvesting  . . . . . . . . . 50--59
           Frederick A. Fuhrman   Tetrodotoxin . . . . . . . . . . . . . . 60--71
                Adolf Seilacher   Fossil Behavior  . . . . . . . . . . . . 72--80
            Bernard Bertman and   
                Robert A. Guyer   Solid Helium . . . . . . . . . . . . . . 84--95
                Marie Boas Hall   Robert Boyle . . . . . . . . . . . . . . 96--102
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 104--108
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 110--114
               Kent V. Flannery   Books  . . . . . . . . . . . . . . . . . 119--127
                      Anonymous   Bibliography . . . . . . . . . . . . . . 128--128

Scientific American
Volume 217, Number 3, September, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 18--22
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 32--37
                      Anonymous   The Authors  . . . . . . . . . . . . . . 48--54
            Cyril Stanley Smith   Materials  . . . . . . . . . . . . . . . 68--79
                Sir Nevill Mott   The Solid State  . . . . . . . . . . . . 80--89
                 A. H. Cottrell   The Nature of Metals . . . . . . . . . . 90--100
                      Anonymous   Science and the Citizen  . . . . . . . . 102--108
                 John J. Gilman   The Nature of Ceramics . . . . . . . . . 112--124
                  R. J. Charles   The Nature of Glasses  . . . . . . . . . 126--136
                 Herman F. Mark   The Nature of Polymeric Materials  . . . 148--156
                  Anthony Kelly   The Nature of Composite Materials  . . . 160--176
                     John Ziman   The Thermal Properties of Materials  . . 180--188
               Henry Ehrenreich   The Electrical Properties of Materials   194--204
                   Howard Reiss   The Chemical Properties of Materials . . 210--220
                Frederic Keffer   The Magnetic Properties of Materials . . 222--234
                      Ali Javan   The Optical Properties of Materials  . . 238--248
                W. O. Alexander   The Competition of Materials . . . . . . 254--266
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 268--276
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 283--290
                  Dennis Sciama   Books  . . . . . . . . . . . . . . . . . 293--309
                      Anonymous   Bibliography . . . . . . . . . . . . . . 312--316

Scientific American
Volume 217, Number 4, October, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 19--19
                 William Mangin   Squatter Settlements . . . . . . . . . . 21--29
                 Noel de Nevers   Liquid Natural Gas . . . . . . . . . . . 30--37
                    David Yount   The Streamer Chamber . . . . . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--62
              Desmond King-Hele   The Shape of the Earth . . . . . . . . . 67--76
                   R. R. Porter   The Structure of Antibodies  . . . . . . 81--90
            Neal Griffith Smith   Visual Isolation in Gulls  . . . . . . . 94--102
              J. Mayo Greenberg   Interstellar Grains  . . . . . . . . . . 106--114
                    John Ceraso   The Interference Theory of Forgetting    117--124
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 128--132
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 134--138
             L. Pearce Williams   Books  . . . . . . . . . . . . . . . . . 145--154
                      Anonymous   Bibliography . . . . . . . . . . . . . . 156--156

Scientific American
Volume 217, Number 5, November, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--16
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--20
              Harriet Zuckerman   The Sociology of the Nobel Prizes  . . . 25--33
                Ronald F. Scott   The Feel of the Moon . . . . . . . . . . 34--43
          Edward P. Lanning and   
            Thomas C. Patterson   Early Man in South America . . . . . . . 44--50
                      Anonymous   Science and the Citizen  . . . . . . . . 52--61
                Anthony Allison   Lysosomes and Disease  . . . . . . . . . 62--72
               Thomas E. Howard   Rapid Excavation . . . . . . . . . . . . 74--85
                  Kip S. Thorne   Gravitational Collapse . . . . . . . . . 88--98
                   W. Ehrenberg   Maxwell's Demon  . . . . . . . . . . . . 103--110
        Suzanne W. T. Batra and   
                  Lekh R. Batra   The Fungus Gardens of Insects  . . . . . 112--120
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 125--129
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 131--139
             Charles F. Hockett   Books  . . . . . . . . . . . . . . . . . 141--152
                      Anonymous   Bibliography . . . . . . . . . . . . . . 154--156

Scientific American
Volume 217, Number 6, December, 1967

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
               Tsutomu Watanabe   Infectious Drug Resistance . . . . . . . 19--27
                Elwyn L. Simons   The Earliest Apes  . . . . . . . . . . . 28--35
              Riccardo Giacconi   X-Ray Stars  . . . . . . . . . . . . . . 36--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--58
               William G. Pfann   Zone Refining  . . . . . . . . . . . . . 62--72
           Vernon D. Barger and   
                 David B. Cline   High-Energy Scattering . . . . . . . . . 76--91
                 E. Eugene Helm   The Vibrating String of the Pythagoreans 92--103
              Paul J. Cohen and   
                   Reuben Hersh   Non-Cantorian Set Theory . . . . . . . . 104--116
               W. Ross Cockrill   The Water Buffalo  . . . . . . . . . . . 118--125
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 127--132
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 134--138
            Philip Morrison and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 140--153
                      Anonymous   Annual Index . . . . . . . . . . . . . . 154--157
                      Anonymous   Bibliography . . . . . . . . . . . . . . 158--160


Scientific American
Volume 218, Number 1, January, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 19--19
                   J. M. Tanner   Earlier Maturation in Man  . . . . . . . 21--27
                     M. M. Fine   The Beneficiation of Iron Ores . . . . . 28--35
          Brian F. C. Clark and   
               Kjeld A. Marcker   How Proteins Start . . . . . . . . . . . 36--43
                      Anonymous   Science and the Citizen  . . . . . . . . 44--51
              Robert N. Colwell   Remote Sensing of Natural Resources  . . 54--70
                    H. R. Crane   The $g$ Factor of the Electron . . . . . 72--85
                  J. Edwin Wood   The Venous System  . . . . . . . . . . . 86--96
            Victor P. Starr and   
                Peter A. Gilman   The Circulation of the Sun's Atmosphere  100--113
             Stanley W. Angrist   Perpetual Motion Machines  . . . . . . . 114--122
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--127
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--132
               I. Bernard Cohen   Books  . . . . . . . . . . . . . . . . . 134--148
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--151

Scientific American
Volume 218, Number 2, February, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 17--19
               John F. Hogerton   The Arrival of Nuclear Power . . . . . . 21--31
                  Efraim Racker   The Membrane of the Mitochondrion  . . . 32--39
            Keith S. Pennington   Advances in Holography . . . . . . . . . 40--49
                      Anonymous   Science and the Citizen  . . . . . . . . 50--54
     André Leroi-Gourhan   The Evolution of Paleolithic Art . . . . 58--70
                   Raymond Hide   Jupiter's Great Red Spot . . . . . . . . 74--82
              Ian Maclean Smith   Death from Staphylococci . . . . . . . . 84--94
            Stanley Coopersmith   Studies in Self-Esteem . . . . . . . . . 96--106
                Vagn Flyger and   
           Marjorie R. Townsend   The Migration of Polar Bears . . . . . . 108--116
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--123
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--129
               H. Bentley Glass   Books  . . . . . . . . . . . . . . . . . 133--141
                      Anonymous   Bibliography . . . . . . . . . . . . . . 142--142

Scientific American
Volume 218, Number 3, March, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 19--20
          Richard L. Garwin and   
                  Hans A. Bethe   Anti-Ballistic-Missile Systems . . . . . 21--31
               Leonard Hayflick   Human Cells and Aging  . . . . . . . . . 32--37
                J. E. Dixon and   
                 J. R. Cann and   
                  Colin Renfrew   Obsidian and the Origins of Trade  . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--54
               R. B. Merrifield   The Automatic Synthesis of Proteins  . . 56--74
                 Paul A. Kolers   Bilingualism and Information Processing  78--86
                  Werner Brandt   Channeling in Crystals . . . . . . . . . 90--98
                     J. S. Mayo   Pulse-Code Modulation  . . . . . . . . . 102--108
                   N. Mrosovsky   The Adjustable Brain of Hibernators  . . 110--118
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 121--126
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--134
            Victor F. Weisskopf   Books  . . . . . . . . . . . . . . . . . 139--148
                      Anonymous   Bibliography . . . . . . . . . . . . . . 150--151

Scientific American
Volume 218, Number 4, April, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--13
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
           Robert Rosenthal and   
             Lenore F. Jacobson   Teacher Expectations for the
                                  Disadvantaged  . . . . . . . . . . . . . 19--23
                Joseph K. Stone   Oxygen in Steelmaking  . . . . . . . . . 24--31
               Sven R. Hartmann   Photon Echoes  . . . . . . . . . . . . . 32--40
                      Anonymous   Science and the Citizen  . . . . . . . . 42--50
              Patrick M. Hurley   The Confirmation of Continental Drift    52--64
            W. E. van Heyningen   Tetanus  . . . . . . . . . . . . . . . . 69--77
                 Patrick Echlin   Pollen . . . . . . . . . . . . . . . . . 80--91
                    H. E. Wulff   The Qanats of Iran . . . . . . . . . . . 94--105
             Jack Colvard Jones   The Sexual Life of a Mosquito  . . . . . 108--116
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--122
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--130
                 Kingsley Davis   Books  . . . . . . . . . . . . . . . . . 133--144
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146

Scientific American
Volume 218, Number 5, May, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--14
            Victor F. Weisskopf   The Three Spectroscopies . . . . . . . . 15--29
                  M. S. F. Hood   The Tartaria Tablets . . . . . . . . . . 30--37
                G. Yale Eastman   The Heat Pipe  . . . . . . . . . . . . . 38--47
                      Anonymous   Science and the Citizen  . . . . . . . . 48--54
                Ellis Levin and   
            Donald D. Viele and   
           Lowell B. Eldrenkamp   The Lunar Orbiter Missions to the Moon   58--78
               Donald M. Wilson   The Flight-Control System of the Locust  83--90
          Frederick C. Kreiling   Leibniz  . . . . . . . . . . . . . . . . 94--100
                   Earl Frieden   The Biochemistry of Copper . . . . . . . 102--114
               Roman Mykytowycz   Territorial Marking by Rabbits . . . . . 116--126
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 130--137
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 140--146
                     R. M. Fano   Books  . . . . . . . . . . . . . . . . . 149--159
                      Anonymous   Bibliography . . . . . . . . . . . . . . 160--160

Scientific American
Volume 218, Number 6, June, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
               Donald F. Nelson   The Modulation of Laser Light  . . . . . 17--23
            Douglas D. Anderson   A Stone Age Campsite at the Gateway to
                                  America  . . . . . . . . . . . . . . . . 24--33
                    O. J. Eggen   Stars in Contact . . . . . . . . . . . . 34--40
                      Anonymous   Science and the Citizen  . . . . . . . . 42--46
                 Allen V. Astin   Standards of Measurement . . . . . . . . 50--62
      Laurence Jay Stettner and   
            Kenneth A. Matyniak   The Brain of Birds . . . . . . . . . . . 64--76
               Alfred E. Mirsky   The Discovery of DNA . . . . . . . . . . 78--88
              Ernest Rabinowicz   Polishing  . . . . . . . . . . . . . . . 91--99
                  R. D. Preston   Plants without Cellulose . . . . . . . . 102--108
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--118
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--126
                   J. Bronowski   Books  . . . . . . . . . . . . . . . . . 131--139
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140


Scientific American
Volume 219, Number 1, July, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 17--18
                   Bernard Lown   Intensive Heart Care . . . . . . . . . . 19--27
               Irwin I. Shapiro   Radar Observations of the Planets  . . . 28--37
    Farrington Daniels, Jr. and   
        Jan C. van der Leun and   
               Brian E. Johnson   Sunburn  . . . . . . . . . . . . . . . . 38--47
                      Anonymous   Science and the Citizen  . . . . . . . . 48--55
             Sir Lawrence Bragg   X-ray crystallography  . . . . . . . . . 58--70
          Johannes van Overbeek   The Control of Plant Growth  . . . . . . 75--81
                 Stuart Piggott   The Beginnings of Wheeled Transport  . . 82--90
           H. William Flood and   
                 Bernard S. Lee   Fluidization . . . . . . . . . . . . . . 94--104
             Theodore H. Savory   Hidden Lives . . . . . . . . . . . . . . 108--114
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--121
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--128
             André Lwoff   Books  . . . . . . . . . . . . . . . . . 133--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144

Scientific American
Volume 219, Number 2, August, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--9
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--13
           Nathan S. Caplan and   
               Jeffery M. Paige   A Study of Ghetto Rioters  . . . . . . . 15--21
                 C. K. N. Patel   High-Power Carbon Dioxide Lasers . . . . 22--33
               Lloyd J. Old and   
            Edward A. Boyse and   
                 H. A. Campbell   L-Asparagine and Leukemia  . . . . . . . 34--41
                      Anonymous   Science and the Citizen  . . . . . . . . 42--46
              G. Neugebauer and   
             Robert B. Leighton   The Infrared Sky . . . . . . . . . . . . 50--65
            Johannes A. Kylstra   Experiments in Water-Breathing . . . . . 66--74
                  Raymond Bloch   The Origins of the Olympic Games . . . . 78--85
            E. Llewellyn Thomas   Movements of the Eye . . . . . . . . . . 88--95
            Martin A. Leibowitz   Queues . . . . . . . . . . . . . . . . . 96--103
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 106--111
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 112--119
                      Anonymous   Books  . . . . . . . . . . . . . . . . . 120--123
                      Anonymous   Bibliography . . . . . . . . . . . . . . 124--124

Scientific American
Volume 219, Number 3, September, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--20
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 29--36
                      Anonymous   The Authors  . . . . . . . . . . . . . . 41--48
                Gerald Feinberg   Light  . . . . . . . . . . . . . . . . . 50--59
            Victor F. Weisskopf   How Light Interacts with Matter  . . . . 60--71
                  Pierre Connes   How Light is Analyzed  . . . . . . . . . 72--83
                      Anonymous   Science and the Citizen  . . . . . . . . 84--93
                   F. Dow Smith   How Images are Formed  . . . . . . . . . 96--109
                 R. Clark Jones   How Images are Detected  . . . . . . . . 110--117
             Arthur L. Schawlow   Laser Light  . . . . . . . . . . . . . . 120--136
             Donald R. Herriott   Applications of Laser Light  . . . . . . 140--156
                   Gerald Oster   The Chemical Effects of Light  . . . . . 158--172
          Sterling B. Hendricks   How Light Interacts with Living Matter   174--186
            James Marston Fitch   The Control of the Luminous Environment  190--202
                  Ulric Neisser   The Processes of Vision  . . . . . . . . 204--214
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 218--230
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 232--247
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 249--268
                      Anonymous   Bibliography . . . . . . . . . . . . . . 272--275

Scientific American
Volume 219, Number 4, October, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--12
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 16--19
                      Anonymous   The Authors  . . . . . . . . . . . . . . 20--23
                  Antony Hewish   Pulsars  . . . . . . . . . . . . . . . . 25--35
               Donald B. Effler   Surgery for Coronary Disease . . . . . . 36--43
               Richard Wolfgang   Chemical Accelerators  . . . . . . . . . 44--52
                      Anonymous   Science and the Citizen  . . . . . . . . 58--62
                Arthur Kornberg   The Synthesis of DNA . . . . . . . . . . 64--78
                Roger H. Gilman   Cargo-Handling . . . . . . . . . . . . . 80--88
                Shmuel Winograd   How Fast can Computers Add?  . . . . . . 93--100
                 Kjell Johansen   Air-Breathing Fishes . . . . . . . . . . 102--111
     Annemarie de Waal Malefijt   \em Homo Monstrosus  . . . . . . . . . . 112--118
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 120--125
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 126--132
                Robert M. Adams   Books  . . . . . . . . . . . . . . . . . 135--143
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144

Scientific American
Volume 219, Number 5, November, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--18
                      Anonymous   The Authors  . . . . . . . . . . . . . . 22--24
                  David Simpson   The Dimensions of World Poverty  . . . . 27--35
             Earl R. Parker and   
               Victor F. Zackay   Strong and Ductile Steels  . . . . . . . 36--45
                   C. A. Clarke   The Prevention of ``Rhesus'' Babies  . . 46--53
                      Anonymous   Science and the Citizen  . . . . . . . . 54--64
             Richard L. Gregory   Visual Illusions . . . . . . . . . . . . 66--76
          Gerhard Haerendel and   
               Reimar Lüst   Artificial Plasma Clouds in Space  . . . 80--92
        Dexter Perkins, Jr. and   
                  Patricia Daly   A Hunters' Village in Neolithic Turkey   96--106
                   Ernst Hadorn   Transdetermination in Cells  . . . . . . 110--120
                     Felix Hess   The Aerodynamics of Boomerangs . . . . . 124--136
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 140--146
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 148--155
                 Amos de-Shalit   Books  . . . . . . . . . . . . . . . . . 159--168
                      Anonymous   Bibliography . . . . . . . . . . . . . . 170--172

Scientific American
Volume 219, Number 6, December, 1968

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--16
              Raymond P. Powell   Economic Growth in the U.S.S.R.  . . . . 17--23
                   J. B. Gurdon   Transplanted Nuclei and Cell
                                  Differentiation  . . . . . . . . . . . . 24--35
                Alan H. Barrett   Radio Signals from Hydroxyl Radicals . . 36--45
                      Anonymous   Science and the Citizen  . . . . . . . . 48--56
                J. R. Heirtzler   Sea-Floor Spreading  . . . . . . . . . . 60--70
                J. R. Heirtzler   Sea-floor spreading  . . . . . . . . . . 60--73
                  Joel N. Myers   Fog  . . . . . . . . . . . . . . . . . . 74--82
                 Allen Parducci   The Relativism of Absolute Judgments . . 84--90
           J. George Sotter and   
                Gary A. Flandro   Resonant Combustion in Rockets . . . . . 94--103
              Kathleen Lonsdale   Human Stones . . . . . . . . . . . . . . 104--111
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 112--115
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 116--125
            Philip Morrison and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 126--139
                      Anonymous   Annual Index . . . . . . . . . . . . . . 140--142
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144


Scientific American
Volume 220, Number 1, January, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--14
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
         Christopher Tietze and   
                    Sarah Lewit   Abortion . . . . . . . . . . . . . . . . 21--27
                 Ray J. Weymann   Seyfert Galaxies . . . . . . . . . . . . 28--37
               Alexander Tomasz   Cellular Factors in Genetic
                                  Transformation . . . . . . . . . . . . . 38--44
                      Anonymous   Science and the Citizen  . . . . . . . . 46--50
              Arthur W. Johnson   Weather Satellites: II . . . . . . . . . 52--68
                Karl H. Pribram   The Neurophysiology of Remembering . . . 73--86
                   C. R. Taylor   The Eland and the Oryx . . . . . . . . . 88--95
                Theodore P. Yin   The Control of Vibration and Noise . . . 98--106
                Mary J. Marples   Life on the Human Skin . . . . . . . . . 108--115
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--120
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 123--128
                    John Updike   The Dance of the Solids  . . . . . . . . 130--131
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 133--137
                      Anonymous   Bibliography . . . . . . . . . . . . . . 138--140

Scientific American
Volume 220, Number 2, February, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
             L. Sprague de Camp   The End of the Monkey War  . . . . . . . 15--21
         Lincoln Pierson Brower   Ecological Chemistry . . . . . . . . . . 22--29
                  Peter Sorokin   Organic Lasers . . . . . . . . . . . . . 30--40
                      Anonymous   Science and the Citizen  . . . . . . . . 42--46
                 V. L. Ginzburg   The Astrophysics of Cosmic Rays  . . . . 50--63
           Ferris N. Pitts, Jr.   The Biochemistry of Anxiety  . . . . . . 69--75
          Rada Dyson-Hudson and   
           Neville Dyson-Hudson   Subsistence Herding in Uganda  . . . . . 76--89
                Wallace Chinitz   Rotary Engines . . . . . . . . . . . . . 90--99
              Marian Neutra and   
                  C. P. Leblond   The Golgi Apparatus  . . . . . . . . . . 100--107
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 110--114
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 118--123
                 Alexander Rich   Books  . . . . . . . . . . . . . . . . . 126--131
                      Anonymous   Bibliography . . . . . . . . . . . . . . 132--132

Scientific American
Volume 220, Number 3, March, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
                  John R. Clark   Thermal Pollution and Aquatic Life . . . 18--27
               H. W. Hayden and   
               R. C. Gibson and   
                   J. H. Brophy   Superplastic Metals  . . . . . . . . . . 28--35
         Norman K. Wessells and   
              William J. Rutter   Phases in Cell Differentiation . . . . . 36--44
                      Anonymous   Science and the Citizen  . . . . . . . . 46--52
       Björn Kurtén   Continental Drift and Evolution  . . . . 54--64
               Reuben Hersh and   
              Richard J. Griego   Brownian Motion and Potential Theory . . 66--74
                Von R. Eshleman   The Atmospheres of Mars and Venus  . . . 78--88
              Solomon Kadis and   
           Thomas C. Montie and   
                  Samuel J. Ajl   Plague Toxin . . . . . . . . . . . . . . 92--100
                  George Shiers   The First Electron Tube  . . . . . . . . 104--112
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--120
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--128
              Salvador E. Luria   Books  . . . . . . . . . . . . . . . . . 131--146
                      Anonymous   Bibliography . . . . . . . . . . . . . . 148--150

Scientific American
Volume 220, Number 4, April, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 8--9
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
             George W. Rathjens   The Dynamics of the Arms Race  . . . . . 15--25
             Boris Ephrussi and   
                  Mary C. Weiss   Hybrid Somatic Cells . . . . . . . . . . 26--35
             Ralph Norman Haber   Eidetic Images . . . . . . . . . . . . . 36--44
                      Anonymous   Science and the Citizen  . . . . . . . . 48--52
           Glenn T. Seaborg and   
                Justin L. Bloom   The Synthetic Elements: IV . . . . . . . 56--67
           Sally R. Binford and   
               Lewis R. Binford   Stone Tools and Human Behavior . . . . . 70--84
               Clive A. Edwards   Soil Pollutants and Soil Animals . . . . 88--99
                  Walter Hossli   Steam Turbines . . . . . . . . . . . . . 100--110
                  Walter Modell   Horns and Antlers  . . . . . . . . . . . 114--122
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 124--126
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 130--136
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 139--144
                      Anonymous   Bibliography . . . . . . . . . . . . . . 146--146

Scientific American
Volume 220, Number 5, May, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--10
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 14--15
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
             Byrd C. Curtis and   
              David R. Johnston   Hybrid Wheat . . . . . . . . . . . . . . 21--29
                   Larry Faller   Relaxation Methods in Chemistry  . . . . 30--41
                Henry de Lumley   A Paleolithic Camp at Nice . . . . . . . 42--50
                      Anonymous   Science and the Citizen  . . . . . . . . 52--56
               Gerard O. Walter   Typesetting  . . . . . . . . . . . . . . 60--69
                Vance A. Tucker   The Energetics of Bird Flight  . . . . . 70--78
            Ronald K. Linde and   
            Richard C. Crewdson   Shock Waves in Solids  . . . . . . . . . 82--91
                  Nathan Sharon   The Bacterial Cell Wall  . . . . . . . . 92--98
             Charles R. Michael   Retinal Processing of Visual Images  . . 104--114
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--124
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--134
            Dorothy Zinberg and   
                      Paul Doty   Books  . . . . . . . . . . . . . . . . . 139--156
                      Anonymous   Bibliography . . . . . . . . . . . . . . 158--160

Scientific American
Volume 220, Number 6, June, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--7
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--14
               R. W. Davies and   
                       R. Amann   Science Policy in the U.S.S.R. . . . . . 19--29
            R. L. Fleischer and   
                P. B. Price and   
                   R. M. Walker   Nuclear Tracks in Solids . . . . . . . . 30--39
                   Russell Ross   Wound Healing  . . . . . . . . . . . . . 40--50
                      Anonymous   Science and the Citizen  . . . . . . . . 54--58
                  Alfred Tarski   Truth and Proof  . . . . . . . . . . . . 63--77
              John Tyler Bonner   Hormones in Social Amoebae and Mammals   78--91
                   Leo Goldberg   Ultraviolet Astronomy  . . . . . . . . . 92--102
                   E. Otto Hohn   The Phalarope  . . . . . . . . . . . . . 104--111
                  F. W. Karasek   Analytic Instruments in Process Control  112--120
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 122--126
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 130--135
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 138--142
                      Anonymous   Bibliography . . . . . . . . . . . . . . 144--144


Scientific American
Volume 221, Number 1, July, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--12
                      Anonymous   The Authors  . . . . . . . . . . . . . . 16--16
     William F. Hamilton II and   
                  Dana K. Nance   Systems Analysis of Urban Transportation 19--27
                John N. Bahcall   Neutrinos from the Sun . . . . . . . . . 28--37
              Ida Macalpine and   
                 Richard Hunter   Porphyria and King George III  . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 50--54
                  Stuart Patton   Milk . . . . . . . . . . . . . . . . . . 58--68
                 N. W. Ashcroft   Liquid Metals  . . . . . . . . . . . . . 72--85
        Margaret Oakley Dayhoff   Computer Analysis of Protein Evolution   86--95
                   A. H. Frazer   High-Temperature Plastics  . . . . . . . 96--105
                 Sheo Dan Singh   Urban Monkeys  . . . . . . . . . . . . . 108--115
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 116--119
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 122--126
              P. C. Mahalanobis   Books  . . . . . . . . . . . . . . . . . 128--139
                      Anonymous   Bibliography . . . . . . . . . . . . . . 140--140

Scientific American
Volume 221, Number 2, August, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 12--12
                Herbert F. York   Military Technology and National
                                  Security . . . . . . . . . . . . . . . . 17--29
      Luigi Luca Cavalli-Sforza   ``Genetic Drift'' in an Italian
                                  Population . . . . . . . . . . . . . . . 30--37
                 Newell C. Cook   Metalliding  . . . . . . . . . . . . . . 38--46
                      Anonymous   Science and the Citizen  . . . . . . . . 48--58
            Michel Baranger and   
            Raymond A. Sorensen   The Size and Shape of Atomic Nuclei  . . 58--73
               A. P. Okladnikov   The Petroglyphs of Siberia . . . . . . . 74--82
                R. D. B. Fraser   Keratins . . . . . . . . . . . . . . . . 86--96
              Gerald L. Kooyman   The Weddell Seal . . . . . . . . . . . . 100--106
                 Lynwood Bryant   Rudolf Diesel and his Rational Engine    108--117
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 118--121
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 124--129
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 131--135
                      Anonymous   Bibliography . . . . . . . . . . . . . . 136--136

Scientific American
Volume 221, Number 3, September, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 10--20
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 31--36
                      Anonymous   The Authors  . . . . . . . . . . . . . . 40--50
                  Roger Revelle   The Ocean  . . . . . . . . . . . . . . . 54--65
             Sir Edward Bullard   The Origin of the Oceans . . . . . . . . 66--75
                  R. W. Stewart   The Atmosphere and the Ocean . . . . . . 76--86
                      Anonymous   Science and the Citizen  . . . . . . . . 88--102
                    K. O. Emery   The Continental Shelves  . . . . . . . . 106--122
                   H. W. Menard   The Deep-Ocean Floor . . . . . . . . . . 126--142
                 John D. Isaacs   The Nature of Oceanic Life . . . . . . . 146--162
               Edward Wenk, Jr.   The Physical Resources of the Ocean  . . 166--176
                     S. J. Holt   The Food Resources of the Ocean  . . . . 178--194
                 Willard Bascom   Technology and the Ocean . . . . . . . . 198--217
              Warren S. Wooster   The Ocean and Man  . . . . . . . . . . . 218--234
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 239--246
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 248--258
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 265--281
                      Anonymous   Bibliography . . . . . . . . . . . . . . 284--287

Scientific American
Volume 221, Number 4, October, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 6--6
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 11--11
                      Anonymous   The Authors  . . . . . . . . . . . . . . 14--15
         Archibald S. Alexander   The Cost of World Armaments  . . . . . . 21--27
                Masayasu Nomura   Ribosomes  . . . . . . . . . . . . . . . 28--35
         Alexander F. Metherell   Acoustical Holography  . . . . . . . . . 36--44
                      Anonymous   Science and the Citizen  . . . . . . . . 46--50
                Wilmot Hess and   
              Robert Kovach and   
               Paul W. Gast and   
                   Gene Simmons   The Exploration of the Moon  . . . . . . 54--72
              William F. Windle   Brain Damage by Asphyxia at Birth  . . . 76--84
             Oliver E. Overseth   Experiments in Time Reversal . . . . . . 88--101
           Daniel S. Fertig and   
             Vaughan W. Edmonds   The Physiology of the House Mouse  . . . 103--110
                    Oscar Lewis   The Possessions of the Poor  . . . . . . 114--124
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 126--130
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 134--138
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 142--146
                      Anonymous   Bibliography . . . . . . . . . . . . . . 148--148

Scientific American
Volume 221, Number 5, November, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--8
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 12--17
                      Anonymous   The Authors  . . . . . . . . . . . . . . 18--18
            Peter M. Winter and   
              Edward Lowenstein   Acute Respiratory Failure  . . . . . . . 23--29
                  H. K. Henisch   Amorphous-semiconductor switching  . . . 30--41
                  H. K. Henisch   Amorphous-Semiconductor Switching  . . . 30--41
     José M. Cruxent and   
                   Irving Rouse   Early Man in the West Indies . . . . . . 42--52
                      Anonymous   Science and the Citizen  . . . . . . . . 56--66
             Victor E. Ragosine   Magnetic Recording . . . . . . . . . . . 70--82
               Imre Tóth   Non-Euclidean Geometry before Euclid . . 87--101
                    Egon Orowan   The Origin of the Oceanic Ridges . . . . 102--119
             Richard Losick and   
            Phillips W. Robbins   The Receptor Site for a Bacterial Virus  120--124
         Crawford H. Greenewalt   How Birds Sing . . . . . . . . . . . . . 126--139
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 140--146
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 151--156
                Philip Morrison   Books  . . . . . . . . . . . . . . . . . 159--164
                      Anonymous   Bibliography . . . . . . . . . . . . . . 166--166

Scientific American
Volume 221, Number 6, December, 1969

                      Anonymous   Letters  . . . . . . . . . . . . . . . . 8--9
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 10--10
                      Anonymous   The Authors  . . . . . . . . . . . . . . 15--15
               Lester Grinspoon   Marihuana  . . . . . . . . . . . . . . . 17--25
                O. V. Lounasmaa   New Methods for Approaching Absolute
                                  Zero . . . . . . . . . . . . . . . . . . 26--35
                Gus W. Van Beek   The Rise and Fall of Arabia Felix  . . . 36--47
                      Anonymous   Science and the Citizen  . . . . . . . . 48--55
                   R. P. Levine   The Mechanism of Photosynthesis  . . . . 58--72
                  L. S. Penrose   Dermatoglyphics  . . . . . . . . . . . . 72--84
                    Victor Vali   Measuring Earth Strains by Laser . . . . 88--97
                Jack P. Hailman   How an Instinct is Learned . . . . . . . 98--108
                 Ralph A. Raimi   The Peculiar Distribution of First
                                  Digits . . . . . . . . . . . . . . . . . 109--120
                 Martin Gardner   Mathematical Games . . . . . . . . . . . 122--127
                    C. L. Stong   The Amateur Scientist  . . . . . . . . . 128--134
            Philip Morrison and   
                Phylis Morrison   Books  . . . . . . . . . . . . . . . . . 136--146
                      Anonymous   Annual Index . . . . . . . . . . . . . . 148--150
                      Anonymous   Bibliography . . . . . . . . . . . . . . 152--152