Stone tool used as a meat knife by Neanderthals at Chagyrskaya Cave around 54,000 years ago. (IMAGE)

Proceedings of the National Academy of Sciences

Stone tool used as a meat knife by Neanderthals at Chagyrskaya Cave around 54,000 years ago.

Caption

Stone tool used as a meat knife by Neanderthals at Chagyrskaya Cave (Altai Mountains, southern Siberia, Russia) around 54,000 years ago.

Credit

Image courtesy of Alexander Fedorchenko (Russian Academy of Sciences, Novosibirsk, Russia).

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