Science: Man and Strontium 90

Just how dangerous to the human race is the radioactive fallout from nuclear-weapons tests? The subject is enormously complex, and to understand all aspects of it requires expert knowledge of many sciences, including genetics and medicine as well as physics. A beginning is being made to answer the question.

To find out how much damage mankind should expect from strontium 90, one of the fallout isotopes, the U.S. Atomic Energy Commission financed a study by Drs. J. Laurence Kulp, Walter R. Eckelmann and Arthur R. Schulert of Columbia's Lament Geological Observatory. Last week the...

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