Most Ancient Stone Axes Found in Kenya
Stone axes estimated to be around 1.76 million years old have been discovered in Kenya, and are 350,000 years older than any other known complex tools, according to an article published online in Nature on Aug. 31.

ANCIENT TOOLS: Early humans were using stone hand axes as far back as 1.8 million years ago. Pierre-Jean Texier/National Center of Scientific Research, France
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