When DDT was first sprayed on large areas to kill insect pests, some naturalists issued grisly warnings that the poison would "upset the balance of nature" causing all sorts of unpredictable havoc. It was better, they argued, to pass up DDT and let natural balances rule the swamps and forests.
Writing in the current Scientific Monthly, Drs. C. H. Hoffmann of the U.S. Department of Agriculture and J P Linuska of the Fish & Wildlife Service deftly spray this "childlike faith in what nature will provide" with mental DDT. Their conclusion is that the real DDT if used with reasonable care, need...
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