If our readers are like the rest of the population they are probably divided into two camps. There are those who view with alarm the ultimate biologic effects of radiation and those who because of the pain associated with the acceptance of unpleasant fact choose to ignore or to minimize by rationalization the evidence presented to date. The following letter may not make many of our readers switch camps, but should be read for its clear-cut presentation of new pertinent data.
Those who would like to read more about this fascinating work may find the beautifully illustrated article by Puck in the April, 1960, Scientific American more available than the one in The American Naturalist quoted by Dr. Robinson.