SMRs and AMRs

Thursday, May 15, 2014

Girl’s 12,000-year-old skeleton may solve a mystery

By Joel Achenbach, WashPost, Updated: Thursday, May 15, 1:00 PM

The divers found her on a ledge, her skull at rest on an arm bone. Ribs and a broken pelvis lay nearby. She was only 15 years old when she wandered into the cave, and in the darkness she must not have seen the enormous pit looming in front of her.

More than 12,000 years later, in 2007, after the seas had risen and the cave system had filled with water, her skull -- upside down, teeth remarkably intact -- caught the eye of a man in scuba gear.

The divers gave the girl a name: Naia. Her remains may help determine the origins of the earliest Americans and finally solve the mystery of why they looked so dramatically different from the Native Americans of recent millennia.

A paper published Thursday online in the journal Science argues that the discrepancy in appearance between the Paleoamericans and later Native Americans is most likely the result of recent, and relatively rapid, human evolution — and not the result of subsequent migrations of people into the Americas.

(More here.)

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