Science: Point Four for Poppies

After two months of battling a locust plague in Iran with a task force of eight airplanes, nine pilots, a technical adviser and ten tons of a new insecticide called "Aldrin," the U.S. Department of Agriculture reported last week that the Point Four funds had been well spent. Among the 50,000 infested acres that were saved from destruction: part of Iran's poppy fields, a prime source of heroin.

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