News FocusPALEOANTHROPOLOGY SOCIETY & AMERICAN ASSOC. OF PHYSICAL ANTHROPOLOGISTS

Ancient Footprints Tell Tales of Travel

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Science  29 Apr 2011:
Vol. 332, Issue 6029, pp. 534-535
DOI: 10.1126/science.332.6029.534-b

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Summary

About 120,000 years ago, some three dozen men, women, and children stepped across wet volcanic ash on the ancient shores of Lake Natron in Tanzania. By scrutinizing their well-preserved trail, researchers have gotten their first snapshot of what a traveling group of archaic humans looked like, down to the size of the group and the ratio of men to women with children, according to paleoanthropologists reporting at the American Association of Physical Anthropologists meeting.