
Best of Summer: The 100-million-year origin story of laughter and humor
Endless Thread
00:00
The Difference Between Humor and Pranks
Dr. Patterson claims cocoa has a working vocabulary of about 450 signs. He says chimps are putting on a show for the zookeepers, and when the keepers laugh, the chimps get really excited,. Then they pant grunt. They don't laugh. And this suggests that humor is a purely human development.
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