By contrast, when a chimpanzee tries to walk upright, its feet stay wide apart, its center of gravity shifts side-to-side, and it awkwardly teeters for only a short time. Lucy and other members of ...

The prints, say experts on hominid body structure, are strikingly different from those of a chimpanzee ... the small-brained but upright-walking hominids classified as Australopithecus afarensis.

Despite those differences, “upright walking preceded the great ape/human split and likely started in Europe,” Böhme says. Measurements of three Danuvius limb bones, two of which come from the ...