Start date for human civilization moved back 20,000 years or so

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harry ashburn
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Start date for human civilization moved back 20,000 years or so

An analysis of artifacts found in a South African cave reveals that humans were making tools, beads, and even poison some 20,000 years earlier than previously thought.

By Stephanie Pappas, LiveScience Senior Writer / July 30, 2012  

http://www.csmonitor.com/Science/2012/0730/Start-date-for-human-civilization-moved-back-20-000-years-or-so