Articles

 Basic Research a Luxury?

G. DuS.
Science 17 April 1959: 995.
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 Neuron Doctrine and Electrophysiology: A quiet revolution has been taking place in our concepts of how the nerve cells act alone and in concert

Theodore Holmes Bullock
Science 17 April 1959: 997-1002.
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 Rock Magnetism: The magnetization of ancient rocks bears on the questions of polar wandering and continental drift

S. K. Runcorn
Science 17 April 1959: 1002-1012.
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 News of Science: Scientists at Space Agency Seminar Compare Views on Composition and Origin of Van Allen Radiation Layer

Science 17 April 1959: 1012-1017.
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 Book Reviews

Science 17 April 1959: 1018-1021.
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Factors Contributing to Production of "Virus-Free" Tumors in Turkeys by Rous Sarcoma Virus

VINCENT GROUPÉ and FRANK J. RAUSCHER
Science 17 April 1959: 1022-1023.
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Two Antigenically Different -Globulins in Domestic Rabbits Revealed by Isoprecipitins

SHELDON DRAY and GLENDOWLYN O. YOUNG
Science 17 April 1959: 1023-1025.
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Development of a Chick Embryo Heart Cell for the Cultivation of Poliovirus

J. E. PRIER and R. SULLIVAN
Science 17 April 1959: 1025-1026.
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Failure of Survival of Slowly Growing Members of a Population

S. MERYL ROSE
Science 17 April 1959: 1026.
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Neopilina (Vema) ewingi, a Second Living Species of the Paleozoic Class Monoplacophora

ARTHUR H. CLARKE, JR. and ROBERT J. MENZIES
Science 17 April 1959: 1026-1027.
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 Meetings

Science 17 April 1959: 1028-1033.
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 New Products

JOSHUA STERN
Science 17 April 1959: 1033-1034.
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