When Dr Elodie Freymann first saw a chimp eat from a clay pit in western Uganda's Bodongo's forest, she was surprised to learn it was part of their diet. What can chimps teach us about eating clay and detoxing?
The Animal Sensemaker - one animal, every week to make sense of the world. Brought to you by Tortoise and On the Edge.
You can find out more about chimps here.
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