Contents

Contents

• Astrochemical Problems in the Formation of the Earth

  By Wendell M. Latimer

  Science28 Jul 1950 : 101-104 Full AccessRestricted Access

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• August Krogh: 1874-1949

  By Cecil K. Drinker

  Science28 Jul 1950 : 105-107 Full AccessRestricted Access

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• A Limitation on the Ultracentrifuge Separation-Cell Technique

  By S. J. Singer, Albert Siegel

  Science28 Jul 1950 : 107-109 Full AccessRestricted Access

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• Germaniferous Lignite from the District of Columbia and Vicinity

  By Taisia Stadnichenko, K. J. Murata, J. M. Axelrod

  Science28 Jul 1950 : 109 Full AccessRestricted Access

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• Rapid Carbon Dioxide Test for Sickling

  By Harold A. Hanno, M. Price Margolies

  Science28 Jul 1950 : 109-110 Full AccessRestricted Access

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• To What Extent Is Oxygen Uptake of the Intact Embryo Related to That of Its Homogenate?

  By Joseph Hall Bodine

  Science28 Jul 1950 : 110-111 Full AccessRestricted Access

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• Effect of Zinc Deficiency on the Synthesis of Tryptophan by Neurospora Extracts

  By Alvin Nason

  Science28 Jul 1950 : 111-112 Full AccessRestricted Access

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• Vitamin P Protection against Radiation

  By Boris Sokoloff, James B. Redd, Raymond Dutcher

  Science28 Jul 1950 : 112-113 Full AccessRestricted Access

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• Likelihood of Photorespiration or Light-inhibited Respiration in Green Plants

  By Edwin A. Davis

  Science28 Jul 1950 : 113-115 Full AccessRestricted Access

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• Enzymic Conversion of Maltose into Unfermentable Carbohydrate

  By S. C. Pan, A. A. Andreasen, Paul Kolachov

  Science28 Jul 1950 : 115-117 Full AccessRestricted Access

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• Activation of Arginase in Vitro by Mouse Carcass Extract and the Cobalt Ion

  By O. B. Wiswell

  Science28 Jul 1950 : 117-118 Full AccessRestricted Access

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• Further Study of the Role of Hyaluronidase in the Fertilization of Rabbit Ova in Vivo

  By M. C. Chang

  Science28 Jul 1950 : 118-119 Full AccessRestricted Access

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• A Simple Staining Technique for Detecting Virus Diseases in Some Woody Plants

  By R. C. Lindner, H. C. Kirkpatrick, T. E. Weeks

  Science28 Jul 1950 : 119-120 Full AccessRestricted Access

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• Biological Experiments on Drosophila melanogaster with Supersonic Vibrations

  By Hedi Fritz-Niggli, Albert Böni

  Science28 Jul 1950 : 120-122 Full AccessRestricted Access

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• A Simplified Method of Lyophilizing Microorganisms

  By R. W. Barratt, E. L. Tatum

  Science28 Jul 1950 : 122-123 Full AccessRestricted Access

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• Planchets for Radioactive Material

  By CHARLES C. HASSETT, JOEY M. PIRRUNG

  Science28 Jul 1950 : 124 Full AccessRestricted Access

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• Note on the Freezing Point of Citrate Solutions Used in the Dilution of Bull's Semen

  By R. ASCHAFFENBURG

  Science28 Jul 1950 : 124-125 Full AccessRestricted Access

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• A Simple Method for Opening Quartz Capsules Containing Radioactive Materials

  By H. H. COBURN, C. C. ROAN

  Science28 Jul 1950 : 125 Full AccessRestricted Access

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• Water-soluble Riboflavin Derivative

  By KARL SCHOEN, SAMUEL M. GORDON

  Science28 Jul 1950 : 125-126 Full AccessRestricted Access

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• Erratum

  By LEON SINGER, GEORGE K. DAVIS

  Science28 Jul 1950 : 126 Full AccessRestricted Access

  • Abstract
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• Foreign Publications in the Field of Organic Chemistry

  By LEOPOLD RUZICKA

  Science28 Jul 1950 : 126 Full AccessRestricted Access

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• Use of Dried Hemoglobin in the Assay of Pepsin

  By JACINTO STEINHARDT

  Science28 Jul 1950 : 126 Full AccessRestricted Access

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• Book Reviews

  Science28 Jul 1950 : 127-128 Full AccessRestricted Access

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• Scientific Book Register

  Science28 Jul 1950 : 128 Full AccessRestricted Access

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• News and Notes

  Science28 Jul 1950 : 129-132 Full AccessRestricted Access

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