Ancient tooth of young girl may be linked to modern human evolution - USA TODAY

A tooth found in Laos of a young female, one of the prehistoric human species Denisovans, suggests this could be where they interbred with humans.

The tooth of a young girl found in a cave in Laos has been revealed to belong to a group of prehistoric human relatives known as Denisovans, and the discovery is helping researchers better understand… [+4033 chars]

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