Why Early Humans Started Walking: Food and Sex...
Why did early humans walk upright? Owen Lovejoy of... ...tudying the oldest human skeleton, of the species Ardipithecus ramidus or "Ardi" for short: it's all about foo... ...rn apes and, presumably, the ancient ancestors of Ardipithecus —males find mates the good old-fashioned api... ...ing he...
https://www.neatorama.com/2009/10/01/why-early-humans-started-walking-food-and-sex/
