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,Panda fossil discovery in southwest China’s Yunnan province has helped researchers solve the mystery of how the giant species developed a ‘false thumb’ and became the only dedicated vegetarian in the bear family. – EPA pic, July 3, 2022.

THE discovery of panda fossils in China has helped researchers solve the mystery of how the giant species developed a “false thumb” and became the only dedicated vegetarian in the bear family.

Fossils dating back about six million years found in southwest China’s Yunnan province included a greatly enlarged wrist bone called a radial sesamoid.

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