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Artifacts and cognition: Evolution or cultural progress?
Published online by Cambridge University Press: 11 June 2003
Abstract
Lack of symmetry of stone tools does not require that hominids making asymmetric tools are incapable of doing better. By analogy, differences between stone tools of early humans and modern technology arose without genetic change. A conservative assumption is that symmetry of stone artifacts may have arisen simply because symmetrical tools work better when used for striking and chopping rather than scraping.
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- © 2002 Cambridge University Press
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