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Thursday, October 28, 2010

Photo: For Frog-Licking Scientist, the Tongue Says It All


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Valerie Clark does a "taste and toxicity test" on a green mantella frog in northern Madagascar in December 2007.

The biologist, who studies the evolution of frog chemical defenses, often can't wait to get to the lab to do research—so she relies on her tongue instead.

Photograph courtesy Valerie Clark