Ages Ago, Beads Made From Ostrich Eggshells Cemented Friendships Across Vast Distances
A new study shows that ostrich eggshell beads were more than just decorative jewelry for the hunter-gatherers in sub-Saharan Africa, as archaeologist Brian Stewart explains.
Đọc thêm tại NPR
at March 14, 2020 at 07:06PM
Health & Science
Thứ Bảy, 14 tháng 3, 2020
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