Fossil analysis adds to debate over how earliest known hominin walked
Sahelanthropus fossils (centre) compared with a chimpanzee (left) and a human (right)Wiliams et al., Sci. Adv. 12, eadv0130 A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like chimpanzees, or walked upright, like humans, may have been settled – but not everyone is...










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