Gender-Bending Fish

Living on Earth

There’s something fishy about Colorado’s South Platte River. Researchers there have found increasing numbers of mutant fish  ? male fish with female attributes. And they suspect wastewater carrying estrogenic compounds like birth control pills might be the source of the mutations. Host Steve Curwood talks with head researcher David Norris, of the University of Colorado, about the downstream implications of these mutant fish.

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