Humans May Have Been Crafting Stone Tools for 2.6 Million Years

Members of the Homo genus have been making stone tools for at least 2.6 million years, a new study published in the Proceedings of the National Academy of Sciences suggests. The findings, based on the discovery of a collection of sharp-edged stone artifacts at the Bokol Dora 1 site in Ethiopia’s Afar Basin, push the origins of early human tool-making back by some 10,000 years earlier than previously believed. Additionally, the research suggests that multiple groups of prehistoric humans invented stone tools on separate occasions, adapting increasingly complex techniques in order to best extract resources from their environment.

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