It was between 5 and 7 million years ago, the most recent common ancestor of humans and their closest ape relatives — the chimpanzees, lived. Scientists at Arizona State and Penn State Universities have proposed these new limits on the time....
Time Limits for the Human and Chimpanzee Split is Narrow: Scientists Found
Made Popular Dec 23 2005
It was between 5 and 7 million years ago, the most recent common ancestor of humans and their closest ape relatives — the chimpanzees, lived. Scientists at Arizona State and Penn State Universities have proposed these new limits on the time....
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