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Visit to Dublin

In which a noted theoretical physicist calls upon the remarkable little group of eminent scientists at Ireland's exotic Institute for Advanced Studies

By Leopold Infeld

Food from the Sea

Marine life outweighs terrestrial life, so it has been suggested that man turn to the oceans to ease his food shortage. A statement of the problem's biological basis

By Gordon A. Riley

Bomb Tests

Pictures of Eniwetok experiments of 1948 are released to public

Leaf Shape

Amateur naturalists have often observed that the leaves of one plant have many shapes. English workers have used this simple phenomenon for the study of aging in plants

By Eric Ashby


Although the disease claims steadily fewer victims, it is still imperfectly understood. Recently the problem has been approached by way of the tubercle bacillus itself

By René J. Dubos

Double Stars

The large numbers and various types of these companions in space are a problem to astronomy. The author's theory relates them to the evolution of both stars and planets

By Otto Struve


They are copies of the phenotype, the technical term for the visible characteristics of an organism. Their similarity to mutants launched a fascinating inquiry

By Richard B. Goldschmidt

Freud Now

At 82 the founder of psychoanalysis wrote the final statement of his system. A noted psychoanalyst gives his views on the present condition of Freud's legacy

By Fredric Wertham


  • 50 and 100 Years Ago: October 1949

  • Science and the Citizen: October 1949

  • Letters

    Letters to the Editors, October 1949

  • Recommended


  • Amateur Scientist

    The Amateur Astronomer

  • Departments


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