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Why Are Some People Left-Handed? | PBS Science Video

November 4, 2017
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We’ve got two perfectly good hands attached to two perfectly good arms, so why do most people prefer to use one over the other for common tasks?

This is an installment of the PBS – It’s OK to be Smart series. If no film or link appears in this email, go to the blog to view it by clicking on the blog title above. If the film stops & starts in an annoying manner, press pause (lower left double bars ||) to let it buffer and get ahead of you.  [Chuck Almdale]

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