

New research led by paleoanthropologists at the University of the Witwatersrand and the University of Southern California offers fresh evidence on when early human ancestors stopped regularly climbing trees and committed fully to bipedal walking.
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Remember when Ardipithecus was supposed to settle bipedalism for good? Years of re-measuring, a few dueling papers, then silence. This one at least pins a date to a bone. Big difference: 1.8 million years doesn’t care about your grant renewal. Still, give it a decade. Someone will find a toe that ruins everything.
1.8 million years of bipedalism, zero affordable housing.



