Photo: Young Chimp Outscores College Students in Memory Test

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A chimpanzee named Ayumu takes a memory test on December 13, 2006.

Ayumu scored best of all the test takers—including nine college students—in a study of short-term recall, scientists reported December 3, 2007.

Photograph by Tetsuro Matsuzawa/Primate Research Institute, Kyoto/AP

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