Ancient Foot Bone Proves Prehuman Lucy Walked Tall

Jennifer Welsh, Fox News, 11/02/2011

No tip-toeing around it, this foot bone could change the story of human evolution – or at least the story of human foot evolution. The bone is additional evidence that Australopithecus afarensis, an ancient human ancestor who lived around 3 million years ago, spent most of its time walking, instead of climbing trees like chimps.

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