Ostrich eggshell beads are some of the oldest ornaments made by humankind, and they can be found dating back at least 50,000 years in Africa. Previous research in southern Africa has shown that the beads increase in size about 2,000 years ago, when herding populations first enter the region.

A string of modern ostrich eggshell beads from eastern Africa
[Credit: Hans Sell]In the current study, researchers Jennifer Miller and Elizabeth…

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Source: archeo