Why aren't humans 'knuckle-walkers?'

Our closest biological relatives, the African apes, are the only animals that walk on their knuckles; CWRU researchers discovered why

Group: Orangutan orphans a sign of habitat destruction

The discovery last week of two orphaned baby orangutans on Borneo is further evidence that deforestation and illegal hunting are threatening survival of the great apes, an Indonesian conservation group said Monday.

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