Stone-Age 'Likes': Study Establishes Eggshell Beads Exchanged Over 30,000 Years
March 10, 2020
March 10, 2020
ANN ARBOR, Michigan, March 10 [TNSscientificresearch] -- The University of Michigan issued the following news release:
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.
A member of a hunter-gatherer group living in southern Africa's Karoo Desert finds the egg. She eats it, and cracks the shell into dozens of pieces. Drillin . . .
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.
A member of a hunter-gatherer group living in southern Africa's Karoo Desert finds the egg. She eats it, and cracks the shell into dozens of pieces. Drillin . . .