Oldest Known Stone Tools Discovered: 3.3 Million Years Old | National Geographic

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Stony Brook University archaeologists Sonia Harmand and Jason Lewis find the earliest evidence of stone tool making - dated at 3.3 million years old.
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Read more in "Wrong Turn Leads to Discovery of Oldest Stone Tools"
https://on.natgeo.com/30Fy6gS

VIDEO COURTESY: Stony Brook University

Oldest Known Stone Tools Discovered: 3.3 Million Years Old | National Geographic
https://youtu.be/dUC0hz__7eU

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