The Search for Evidence in the Okefenokee

Living on Earth

Alligators have outlived the dinosaurs, and survived predation by human beings. But now, they’re facing a new threat: synthetic chemicals which interfere with their ability to reproduce. Steve Curwood visits the Okefenokee Swamp, where scientists are investigating the effects of estrogen-mimicking hormones found in common industrial compounds on the sexual development of alligators.

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