19 November1965 -Vol. 150, No. 3699
LETTERS International Studies and the Academicians: R. Hilton; Achievement: J. W. Hamblen;R. B. Bennett; M. D. Post; D. H. Fuller; Harder by the Dozen: E. Symon ......
EDITORIAL Diversity of Institutional Goals .......................................... 969
ARTICLES Pain Mechanisms: A New Theory: R. Melzack and P. D. Wall ..................
The X-ray Analysis of Complicated Molecules: D. C. Hodgkin ....................
Fluoride Protection of Bones and Teeth: R. F. Sognnaes ........................
National Planning of Science and Technology in France: J. B. Quinn ..............
NEWS AND COMMENT
BOOK REVIEWS
REPORTS
Post-Apollo: Senate Hearings Open Debate-New Accelerator: AEC Teams VisitingSite-Environmental Pollution: PSAC Panel Reports Naval Academy:Curriculum Modernized, Faculty Upgraded ............................... 1003
Report from Europe: France Considers Significance of Nobel Awards: V. K. McElheny 1013
Water Resource Investment and the Public Interest, reviewed by E. S. Mills;other reviews by R. M. Bannerman, J. A. Ford, E. Norbeck, C. Villee,J. McKenna, A. D. Hasler, J. W. Chamberlain, B. J. McCormick,V. B. Morris, Jr., H. L. Barnett; New Books; Conference and Symposium Reports 1016
Titanium Dioxide in Pyroclastic Layers from Volcanoes in the Cascade Range:G. K. Czamanske and S. C. Porter.....................................
Radiation Sintering of Lunar Dust: R. Smoluchowski..........................
Intercrystalline Links in Bulk Polyethylene: H. D. Keith, F. J. Padden, Jr.,R. G. Vadimsky
Iron Minerals Formed bv a Nuclear Explosion in a Salt Bed: M. W. Nathans,D. K. Smith, J. S. Kahn...............................................
Visual Excitation and Blood Clotting: G. Wald................................
Blood-Flow Relation between Hepatic Artery and Portal Vein:J. L. Ternberg and H. R. Butcher, Jr...................................
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Physiological Predetermination: Imbibition, Respiration, and Growth of LimaBean Seeds: L. W. Woodstock and B. M. Pollock 1031
Neurosecretory SupplN to the Epidermis of an Insect: S. H. P. Maddrell .............. 1033
Histamine Synthesis and Gastric Secretion after Portacaval Shunt:J. E. Fischer and S. H. Snyder ................... ...................... 1034
Crystal and Molecular Structure of a Phospholipid Component:L-a-Glycerophosphorylcholine Cadmium Chloride Trihydrate:M. Slunldaralin-alan and L. H. Jensven 1035
Circadian Rhythms in Male Ants of Five Diverse Species: E. S. McChlusvY ......... 1037
Organ Weights in Primates and Other Mamnmals: W. R. Stahl ................. 1039
Phenylketonuria: Limit in Capacity of Pre-Weanling Rats To Oxidize/3-Phenyllactate and Other a-Hydroxy Acids: F. B. Goldstein ..................104t42
Oncogenicity of the Simian AdenovirLuses: R. N. Hull et al. ...................... 1044
Bacterial Contamination of Some Carbonaceous Meteorites: J. Or,( and 7'. Tor-nabene 1046
Exchangeable Mass: Determination without Assumption of Isotopic Equilibrium:P.-E. E. Ber-ne. 1048
Frog Retina: Detection of Movement: D. Finkelstein and O.-4. Gri.ser .............. 1050
Growth Hormone: Important Role in Muscular Exercise in Adults:W. M. Hunlter, C. C. Fonzseka, R. Passmnore ...... 1051
Lysosomal and Free Acid Phosphatase in Salivary Glands of Chironomnlus tentans:K. S. Sc iin and U. Cleiver .10. 1 53
Codominance of Visual Pigments in Hybrid Fishes: W. N. McFarland and F. W. Mluniz 1055
Colninents on Reports: Decision Theory in Studies of Discrimination in Animals:J. A. Nevini ...... 1057
ASSOCIATION AFFAIRS AAAS Aninital Meeting: Physical Sciences: R. Colvig 1058
MEETINGS Cancer Research: D. N. Ward; Forthcoming Events 1063
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150 (3699)
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