Comments for: Do animals have a sense of humor?

Posted March 29, 2014, at 1:20 p.m.

Right now, in a high-security research lab at Northwestern University’s Falk Center for Molecular Therapeutics, scientists are tickling rats. Their goal? To develop a pharmaceutical-grade happiness pill. But their efforts might also produce some of the best evidence yet that humor isn’t something experienced exclusively by human beings. Scientists believe …

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