Science: Mithridates, He Died Old

Does DDT upset the balance of nature? Yes, but that's nothing to be alarmed about, says one of Britain's foremost authorities on insect physiology. The authority, who has the nervous name of Dr. Vincent Brian Wigglesworth, writing in the December Atlantic Monthly, took the long, calm view: chemicals have upset nature's balance before and DDT is merely the latest and most violent. The laws of nature have never been abrogated and there is no reason to believe that DDT can do it. Points and examples:

¶ Odd things happen in fruit orchards from indiscriminate use of DDT. The woolly aphis is...

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