The world's oldest stone tools have been discovered, scientists report. They were unearthed from the shores of Lake Turkana in Kenya, and date to 3.3 million years ago. They are 700,000 years older than any tools found before, even pre-dating the earliest humans in the Homo genus.

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Submitted May 21, 2015 at 03:05AM by NinjaDiscoJesus http://ift.tt/1JASpzk