A finger bone from an unexpected place and time upends the story of human migration out of Africa
by Karen Kaplan, Los Angeles Times
Apr 09, 2018
3 minutes
It's only 3 centimeters long and less than 1 centimeter wide, but it has the potential to rewrite the history of our ancestors' migration out of Africa.
The object in question is a fossilized piece of a bone, probably the middle portion of a middle finger. Based on its shape, scientists believe that it belonged to a member of the Homo sapiens species.
Two things make it unusually significant.
First, uranium series dating techniques indicate that the bone is between 85,000 and 90,000 years old.
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