Carl Zimmer Quote

Careful imitation could also explain why hand axes managed to stay so similar to each other for over a million years. If Homo erectus simply looked over old hand axes to guess how to make them, they would have accidentally introduced little variations to their craft. Over a few thousand years, those mismatches would have caused the hand ax to drift far away from its original shape.

Carl Zimmer

Careful imitation could also explain why hand axes managed to stay so similar to each other for over a million years. If Homo erectus simply looked over old hand axes to guess how to make them, they would have accidentally introduced little variations to their craft. Over a few thousand years, those mismatches would have caused the hand ax to drift far away from its original shape.

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