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Science, New Series, Vol. 115, No. 2985, Mar. 14, 1952


Previous Issue: New Series, Vol. 115, No. 2984, Mar. 7, 1952
Next Issue: New Series, Vol. 115, No. 2986, Mar. 21, 1952


Front Matter (1 p.)
Scientific Research in Australia, pp. 3a
Trevor C. Bell

Insects as Experimental Material, pp. 275-280
Kenneth D. Roeder

News and Notes, pp. 280-283


Technical Papers
Charge Distribution in Nuclei from X-Ray Fine Structure, pp. 284-285
A. L. Schawlow; C. H. Townes
An Artificial Kidney--A Simplified Apparatus, pp. 285-288
John R. Guarino; Louis J. Guarino
Blood Factors in the Nutrition of Trypanosoma cruzi, p. 288
W. L. McRary; E. R. Noble; E. L. Tondevold
The Archaeological and Paleontological Salvage Program at the Medicine Creek Reservoir, Frontier County, Nebraska, pp. 288-290
E. Mott Davis; C. Bertrand Schultz
Antagonistic Action of Uracil, Thiouracil, and Thiourea on Reticulocyte Ripening, pp. 290-291
Alphonse Nizet
Some New Synthetic Estrogens, pp. 292-293
H. Rinderknecht; L. W. Rowe


Comments and Communications
"Attraction Fields" between Growing Tissue Cultures, pp. 293-296
Paul Weiss; Allan A. Katzberg
Root-Grafting in Tropical Trees, p. 296
Carl D. LaRue
Separation of Free-Living Cells, p. 296
Robert G. H. Cormack

Previous Issue: New Series, Vol. 115, No. 2984, Mar. 7, 1952
Next Issue: New Series, Vol. 115, No. 2986, Mar. 21, 1952



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