This is how hominins adapted to a changing world 2 million years ago – Ars Technica

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The versatility that helped humans take over the world emerged very early in our evolutionary history, according to sediments and stone tools from Olduvai Gorge in Tanzania.
Olduvai has provided some of the oldest known tools and fossils from our genus, Homo. A recent study lines that evidence up with environmental clues buried in the sediment. The results suggest that our early relatives were equipped to adapt to new environments by around 2 million years ago.
That…

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