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The Age of Science 1900-1950

In the first half of this century man has vastly enlarged his understanding and control of nature. An introduction to the 10 articles in this issue

By J. R. Oppenheimer


The big telescopes and subtler instruments have gathered and analyzed light from within the solar system to a frontier a billion light-years away

By Harlow Shapley


The great experiments and heroic theories have revolutionized our view of the physical world and brought us closer to its underlying unity

By Max Born


Aided by the new ideas of physics, the chemists have welded a huge body of facts into a unified system. Many of their fundamental advances have quickly become part of technology

By Linus Pauling


The search for the origin of major geological features has advanced further into the depths of the earth and time. A survey from the standpoint of physical geology

By Reginald A. Daly


Pure mathematicians have become more rigorous and applied mathematicians less inhibited. The interaction of mathematics and physics continues to enrich both

By Sir Edmund Whittaker


The organized study of the mechanism of heredity evolution began only with the 20th century and rediscovery of the lost work of Gregor Mendel

By Theodosius Dobzhansky


Another young science, viewing living things as dynamic processes rather than machines, has notably investigated the intricate chemical reactions common to all organisms

By Otto Meyerhof


The earlier physiologists were principally concerned with the general organization of the body. Today their interest has shifted toward its physics and chemistry

By E. D. Adrian


Faced with problems of discouraging complexity, its workers tried to fractionate them. Now the trend is toward placing the problems in their natural context

By Hadley Cantril


The powerful concept of culture has been extended to explain much of human behavior and to eliminate some artificial distinctions among groups of men

By A. L. Kroeber


  • 50 and 100 Years Ago: September 1950

  • Science and the Citizen: September 1950

  • Letters

    Letters to the Editors, September 1950

  • Recommended


  • Amateur Scientist

    The Amateur Astronomer

  • Departments


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