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Ancient tools from a South African cave reveal connections between prehistoric people

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In a cave overlooking the ocean on the southern coast of South Africa , archaeologists discovered thousands of stone tools.

By examining tiny details in the chipped edges of the blades and stones, archaeologists are able to tell how the tools were made.

During the period when these blades were made, between 24,000 and 12,000 years ago , the Earth was nearing the end of the last major ice age.

Researchers analyzed these stone tools and discussed how the different techniques used to make them hint at the ways that prehistoric people traveled, interacted, and shared their craft.