Two recent fossil discoveries from the East African Rift reveal new primate species and suggest that the split between apes and humans (hominoids) and Old World monkeys such as baboons and macaques (cercopithecoids) may have occurred 25 million years ago, significantly older than previously thought. For more information, visit http://1.usa.gov/106f942 http://on.fb.me/1032JXl
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