Professor Arthur Mangun Banta of Brown University has for a long time been living on close terms with fleas. His scientific pet is a transparent little water flea called Daphnia magna. Professor Banta finds that water fleas which are scantily fed when young and well fed after maturity live longer than water fleas which are well fed all their lives, and much longer than those which are well fed when young but starved in their old age (TIME, Feb. 14).
From Cornell University last week came news of other experiments which cast a somewhat different light on insect diet. The experiments...
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