Saturday, September 3, 2011

Our ancestors used tools earlier than thought

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Examples of hand axes found in Kenya, which indicate that early humans were using stone hand axes as far back as 1.8 million years ago.Our human ancestors may have been sophisticated tool users 1.76 million years ago. Newly discovered hand axes from that period are the oldest examples of the complex Acheulean culture, 350,000 years older than the previous record holders.




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Source: http://www.msnbc.msn.com/id/44345865/ns/technology_and_science-science/

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