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News stories tagged with "emotion"

Photo: <a href="http://www.flickr.com/photos/chrishunkeler/7760119788/">Chris Hunkeler</a>, Creative Commons, some rights reserved
Photo: Chris Hunkeler, Creative Commons, some rights reserved

Natural Selections: Laughter

What is laughter? Is it exclusive to humans? Is it different for women and men? Martha Foley and Dr. Curt Stager discuss "the best medicine."  Go to full article

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