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Study establishes eggshell beads exchanged over 30,000 years

March 12, 2020 - General

A clump of grass grows on an outcrop of shale 33,000 years ago. An ostrich pecks at the grass, and atoms taken up from the shale and into the grass become part of the eggshell the ostrich lays.

Ostrich eggshell beads have been used to cement relationships in Africa for more than 30,000 years
[Credit: John Klausmeyer, Yuchao Zhao & Brian Stewart]A member of a hunter-gatherer group living in southern Africa’s Karoo Desert finds the…

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Source: archeo

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