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Scientists claim 'Lucy' may not be our direct ancestor after all, stoking fierce debate
Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.
Two Australopithecus fossils named Lucy and Selam made a rare trip out of Ethiopia for a 60-day display at the National Museum in Prague Hyper-realistic reconstructions of Australopithecus afarensis ...
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