Zimmermann et al.: 'Report: Reconstructing the evolution of laughter in great apes and humans'
Thursday, June 4, 2009 - 11:49
in Biology & Nature
Like human infants, young apes are known to hoot and holler when you tickle them. But is it fair to say that those playful calls are really laughter? The answer to that question is yes, say researchers reporting online on June 4th in Current Biology, a Cell Press publication.