Did we inherit laughter from our primate ancestors?

New research conducted by Marina Davila Ross, Michael J. Owren, and Elke Zimmermann—which involved tickling orangutans and gorillas(!)—seems to say yes.



From the study just published in the journal Current Biology:

"The results suggest that the evolutionary origins of human laughter can be traced back at least 10 to 16 million years to the last common ancestor of humans and modern great apes."

Read more here: http://www.npr.org/templates/story/story.php?storyId=104952197&sc=fb&cc=fp