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Ancient human ancestor Lucy was not alone — she lived alongside at least 4 other proto-human species, emerging research suggests
But who were Lucy's neighbors, and did they ever interact with her kind? For almost a million years, A. afarensis lived throughout East Africa, and paleoanthropologists have found numerous fossils ...
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Finding Lucy:
Although Lucy's skull was incomplete, enough of it remained to show that she had a small, apelike brain, and other skulls of her species found at the same site confirmed it. Some experts argue ...