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Stone Age tools go south

Signs of early hand-axe making not limited to eastern Africa

Although separated by several thousand kilometers, southern and eastern Africa were, in a sense, a stone’s throw from each other ancient times. New evidence suggests that human ancestors in southern Africa fashioned teardrop-shaped stone hand axes 1.6 million years ago, nearly twice as long ago as many researchers thought and about the time such tools are known to have first appeared in eastern Africa.

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