ScienceChimpanzees May Possess Hands More Evolved Than The Human Hand Human hands may have changed little from those of ancient ancestors while chimps' hands have continued to evolve, researchers say. The finding contradicts belief that human hands evolved as we began to create stone tools.by Jim Algar
Science45,000-Year-Old Stone Tools From Cave In Jordan Hint How Humans Started Specializing Different Skillsby Jill Arce
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