Who Made the First Stone Tools?
The evolutionary path from early primates to Homo sapiens is difficult to trace with any accuracy and continues to be hotly debated. But there are a couple of important signposts in the fossil record. The transition to bipedalism – upright walking – is suggested by analysis of limb bones of the genus Australopithecus and rather spectacularly confirmed by the Laetoli footprints, determined to be 3.6 million years old.
This is the eleventh in a series of posts on the Oxford University Press TUMBLR site.
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