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    • A talk with Nancy Langston

    • A talk with Nancy Langston

    • Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;

    • In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
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