Word: dieldrin
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Dates: during 1951-1951
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Then the researchers dipped their screening strips in dieldrin, a powerful, non-evaporating fly poison, and tacked them up again. The flies took refuge on them in swarms-and died in five seconds. The poison remained effective for more than 16 weeks, slaying battalions of flies. The Cornell scientists believe that this anti-fly tactic is better than indiscriminate spraying of dairy barns and yards. The poison stays on the screening, never strays into the milk...