Is Sahelanthropus the Earliest Evidence of Humans Walking on

Analysis of a femur fossil indicates that a key species could already move somewhat like us

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New Hampshire , United States , Daniel Lieberman , Brian Handwerk , Sabine Riffaut , John Hawks , Rick Potts , Jean Renaud Boisserie , Guillaume Daver , Sahelanthropus , University Of Wisconsin , University Of Poitiers , Harvard University , Smithsonian Human Origins Program , Franck Guy , Ardipithecus Ramidus , Human Evolution , Chad Basin , Human Origins , ,