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Thursday, October 28, 2010

Photo: Lefties Survive (Barely) Due to Element of Surprise?


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Left-handed U.S. President Barack Obama signs an executive order at the White House on January 22, 2009, in Washington, D.C. A new study says Obama—and lefties in general—may have an advantage in head-to-head competition. That edge may explain why left-handedness is still among us, despite evolutionary odds against it.

Photograph by Charles Dharapak/AP