• The Personality of Peoples

    With the aid of depth psychology, anthropologists are learning much about how a nation's cultural patterns may shape the character of its citizens

    Ralph Linton| August 1, 1949|

  • The Antibiotics

    The competition of microorganisms has provided man with powerful agents against infection. Presenting a review of their discovery and their development

    George W. Gray| August 1, 1949|

  • Seeing Light and Color

    One of our most familiar sensory experiences is perhaps the most difficult to define. The study of it requires the application of physics, physiology and psychology

    Ralph M. Evans| August 1, 1949|

  • Radioactivity and Time

    The regular decay of radioactive isotopes provides evidence of the age of Egyptian tombs, Pleistocene sediments, pre-Cambrian rocks and the earth itself

    P. M. Hurley| August 1, 1949|

  • Potassium

    The 19th element of the periodic table has fascinating physical and biological eccentricities. Its behavior in cells is one of the fundamental characteristics of life

    Wallace O. Fenn| August 1, 1949|

  • Learning to Think

    Some psychologists have believed that human beings are born with certain powers of reason. The authors present the view that all such functions must first be learned

    Harry F. and Margaret Kuenne Harlow| August 1, 1949|

  • Hittite Citadel

    Passageway on a hill in Turkey is the key to undeciphered script of a dead civilization

    | August 1, 1949|

  • Galileo

    The massive achievements of the Italian physicist, astronomer and mathematician mark the transition from the Middle Ages to the era of modern science

    I. Bernard Cohen| August 1, 1949|

« July 1949 September 1949 »

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