Discover Magazine on MSN
This 7-million-year-old fossil may reveal when ancient humans started walking upright
Learn how detailed 3D analysis uncovered evidence that upright walking emerged near the very start of the human lineage.
PITTSBURGH — A local nurse stepped up to the plate when she heard Denny Martin say he needed to buy his son, Mason, an upright walker. Mason Martin, a quarterback for Karns City, collapsed during a ...
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