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Science, New Series, Vol. 125, No. 3256, May 24, 1957


Previous Issue: New Series, Vol. 125, No. 3255, May 17, 1957
Next Issue: New Series, Vol. 125, No. 3257, May 31, 1957


Front Matter (4 pp.)
Impossible Choices, p. 1021
J. Robert Oppenheimer

Hepatic Sphincters, pp. 1023-1026
Melvin H. Knisely; Fann Harding; Hilda Debacker

R. Wartenberg, Neurologist and Self-Ordained Critic, p. 1027
Webb Haymaker


News of Science
International Committee on Laboratory Animals, p. 1028
Johns Hopkins, pp. 1028-1029
National Science Policy, p. 1029
Radiation Protection Group Appoints New Executive Committee, p. 1029
Training in Steroid Biochemistry, p. 1029
Reynolds Memorial Fund, p. 1029
$5000 Hoblitzelle Award in Agriculture, pp. 1029-1030
NSF Research Data, p. 1030
New Oceanography and Ornithology Laboratories for Yale, p. 1030
34,000-Year-Old Skeleton, p. 1030
Solar Energy Center, p. 1030
Films for Junior High Schools, p. 1030
News Briefs, pp. 1030-1031
Heavy-Ion Linear Accelerator, p. 1031
Proposed Legislation, p. 1031
Scientists in the News, pp. 1031-1032
Recent Deaths, p. 1032


Reports
Effect of Tetraploidy on Learning and Retention in the Salamander, pp. 1033-1034
Jack A. Vernon; John Butsch
Observations on Local Spread of Pox Viruses in Tissue, pp. 1034-1035
A. Mayr; G. Wittmann
Hemagglutination Test for Toxoplasmosis, p. 1035
Leon Jacobs; Milford N. Lunde
Effects of Penetrating Brain Injury on Intelligence Test Scores, pp. 1036-1037
Sidney Weinstein; Hans-Lukas Teuber
Radiocarbon Dates of Mankato Drift in Minnesota, pp. 1037-1039
Morris M. Leighton; H. E. Wright Jr.
Dependence of Acute Radiosensitivity on Age in Adult Female Mouse, pp. 1039-1040
George A. Sacher
Oxidation of Chlorpromazine by Peroxidase and Catalase, pp. 1040-1041
D. J. Cavanaugh
Sphingosine as an Inhibitor of Blood Clotting, pp. 1041-1042
E. Hecht; D. Shapiro
Reaction of 8-Quinolinol and 2-Methyl-8-Quinolinol with Rare-Earth Elements, pp. 1042-1043
Wesley W. Wendlandt
First Example of Genotype r y r y -A Family Study, p. 1043
Robert McGee; Philip Levine; Mario Celano


Book Reviews
----------------, p. 1044
William Heytesbury. Medieval Logic and the Rise of Mathematical Physics
Curtis Wilson
Review author[s]: Robert P. Multhauf
----------------, p. 1044
Report of the Princeton Conference on the History of Philanthropy in the United States
Review author[s]: Irvin G. Wyllie
----------------, pp. 1044-1045
Introductory Psychosomatic Dentistry
John H. Manhold Jr.
Review author[s]: Joseph Landa
----------------, p. 1045
Annual Review of Nuclear Science. vol. 6
James G. Beckerley; Martin D. Kamen; Leonard I. Schiff
Review author[s]: Samuel K. Allison
----------------, pp. 1045-1046
Fusion Methods in Chemical Microscopy
Walter C. McCrone Jr.
Review author[s]: Konrad B. Krauskopf
----------------, p. 1046
Physiologie de l'Insecte. Les Grandes Fonctions, le Comportement, Écophysiologie
Rémy Chauvin
Review author[s]: J. Case
----------------, p. 1046
Scientific Research in British Universities, 1955-56


Meetings and Societies, pp. 1047-1052+1054
Back Matter (7 pp.)

Previous Issue: New Series, Vol. 125, No. 3255, May 17, 1957
Next Issue: New Series, Vol. 125, No. 3257, May 31, 1957



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