Science: Hot Clams

All the returns on long-range effects of radioactive fallout are by no means in (TIME, Feb. 18 et seq.). and a report published by two Navy civilian scientists suggests the worrisome possibility that the level at which accumulated fallout becomes dangerous may be much lower than has been theorized.

Since the March 1954 thermonuclear test explosion in the Marshall Islands, the Naval Radiological Defense Laboratory at San Francisco has been checking the radioactivity of animals, plants, materials, etc., in the vicinity of the crater. In Science, Herbert W. Weiss and William H. Shipman...

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