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Science, New Series, Vol. 105, No. 2717, Jan. 24, 1947


Previous Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947
Next Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947


Front Matter (4 pp.)
The Machine, the Worker, and the Engineer, pp. 79-84
Robert K. Merton

The Federal Government and the Shortage of Scientific Personnel, pp. 84-88
Charles V. Kidd

News and Notes, pp. 89-92


Technical Papers
The Species Character of Cancer Cells, p. 93
Robert G. Green
New Concept of Competitive Inhibition of the Renal Tubular Excretion of Penicillin, pp. 94-95
Karl H. Beyer
Some Effects of O-Isopropyl N-Phenyl Carbamate upon Cereals, pp. 95-96
W. B. Ennis
Is Sterility Induced in Growing Rats on a Tryptophane-Deficient Diet?, pp. 96-97
Clarence P. Berg; Wayne G. Rohse
Cypress Domes, pp. 97-99
Robert O. Vernon


In the Laboratory
The Concentration and Preservation of Urinary Substances by Lyophilization, pp. 99-100
Harry B. Friedgood; Arie J. Haagen-Smit; Josephine B. Garst; Lotti Steinitz
Elementary Isotopic Analysis: Determination of Carbon, pp. 100-101
A. V. Grosse; A. D. Kirshenbaum; S. G. Hindin
Immobilizing Paramecia for Study in the Introductory Course, pp. 101-102
Karl A. Stiles; Dorothy A. Hawkins
The Purification of Diphtherial Toxoid, pp. 102-103
Louis Pillemer; David Toll
A Simple Anaerobic Method of Obtaining Plasma, p. 103
Horace W. Davenport
''Braking'' Pipettes, pp. 103-104
C. Lloyd Claff
A New-Type Atomizer for Large-Scale Application of 2, 4-D, pp. 104-105
C. L. Hamner; H. B. Tukey
Detection of Serum Agglutinins for Monilia and Other Yeast-Like Organisms, p. 105
R. F. Norris; A. J. Rawson


Book Reviews
----------------, p. 106
Allergy
Erich Urbach; Philip M. Gottlieb
Review author[s]: A. M. Targow
----------------, pp. 106-107
L'origine des cellules reproductrices et le problème de la lignée germinale and Continuité germinale et reproduction agame
L. Bounoure
Review author[s]: Charles Gurchot
----------------, p. 107
The Chemistry of Heterocyclic Compounds
Avery A. Morton
Review author[s]: Fred E. Sheibley
----------------, pp. 107-108
The Prolongation of Life
Alexander Bogomolets
Review author[s]: Ernst T. Krebs


Scientific Book Register, p. 108

Previous Issue: New Series, Vol. 105, No. 2716, Jan. 17, 1947
Next Issue: New Series, Vol. 105, No. 2718, Jan. 31, 1947



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