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      Scientific American December 2000

      Laugh and the World Laughs with You

      Robert R. Provine cracks the laugh code
      Laughter:
      A Scientific Investigation
      by Robert R. Provine
      Viking, New York, 2000 ($24.95)

      • By Frans B. M. De Waal on December 1, 2000

      This is a preview. Make a selection below to access this issue.Already have access? Sign in.

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      More in the December 2000 issue of Scientific American
      • Not Nelson's Obelisk
      • Completing the Circuit
      • Bits of Radio
      View Full Contents
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