Recent studies suggest that more might be learned in the wild than in the lab about how chemicals can scramble hormone signals in animals. Researchers typically look at development and physiological changes in lab animals to set safety standards for human exposure to these chemicals. But a growing number of researchers say these methods ignore the subtle consequences these chemicals have on animal behavior. Host Steve Curwood talks with Prof. Ethan Clotfelter, who teaches biology at Amherst College, about the implications of the studies, one of which he co-authored.
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