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National

How Do Common Chemicals Affect Frogs, Rats — And Maybe Us?

Part 2 of the TED Radio Hour episode Toxic

About Tyrone Hayes's TED Talk

Biologist Tyrone Hayes talks about the concerning effects of the herbicide atrazine, which is part of a group of chemicals that are found in everyday food and household products.

About Tyrone Hayes

Professor Tyrone Hayes studies frogs and other amphibians at the University of California, Berkeley. He's become an active critic of the farm chemical atrazine, which he's found to interfere with the development of amphibians' endocrine systems.

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