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Go east, ancient tool makers

Hand ax innovators reached South Asia earlier than thought

4:04pm, March 24, 2011

Finds unearthed in southeastern India offer a cutting-edge revision of hominid migrations out of Africa more than 1 million years ago that spread pivotal tool-making methods.

Makers of a specific style of teardrop-shaped stone hand ax, flat-edged cleavers and other implements that originated in Africa around 1.6 million years ago (

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