Oldest flaked stone tools point to the repeated invention of stone tools - Phys.org
 

Oldest flaked stone tools point to the repeated invention of stone tools Phys.orgA large green artifact found in situ at the Bokol Dora site. Right: Image of the same artifact and a three dimensional model of the same artifact. Credit: David R. Braun A new archaeological site discovered by an international and local team of scientists working in Ethiopia shows that the origins of stone tool production are older than 2.58 million years ago. Previously, the oldest evidence for systematic stone tool production and use was 2.58 to 2.55 million years ago. Analysis by the researchers of early stone age sites, published this week in the Proceedings of the National Academy of S...

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