Wild chimpanzees have surprisingly long life spans

A 20-year demographic study of a large chimpanzee community in Uganda's Kibale National Park has revealed that, under the right ecological conditions, our close primate relatives can lead surprisingly long lives in the wild.

Researchers document second case of 'Down syndrome' in chimps

Japanese researchers have confirmed the second case known to science of a chimpanzee born with trisomy 22, a chromosomal defect similar to that of Down syndrome (or trisomy 21) in humans. The report on Kanako, a 24-year-old ...

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