Punching for Science (IMAGE)

University of Utah

Punching for Science

Caption

University of Utah medical student Michael H. Morgan strikes a punching bag that was used by Morgan and university biology Professor David Carrier in a study that suggests human hands evolved for fighting with fists, not just for the manual dexterity needed to use tools, play musical instruments and paint artworks.

Credit

Lee J. Siegel, University of Utah.

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