The Chronicle of Higher Education

Digging for the Roots of Culture

When did our ancestors start behaving like modern humans?

By HENK ROSSOUW

De Hoop, South Africa

As a boy, 40 years ago, Christopher S. Henshilwood spent his summers at Blombos, his grandfather's farm on the southernmost coast of Africa. Exploring the sand dunes and thick bush, he discovered the hearths and remnants of tools left by the Khoisan hunter-gatherers, who had lived for...

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