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Rats Laugh When Tickled, Scientists Say

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Published on Jun 26, 2012

How do you get a rat to laugh? Telling a joke won't work, but scientists say a rat will laugh when tickled--and they're not joking. Special thanks to Dr. Panksepp for providing HuffPost Science with the above video. Read more on HuffPost Science: http://huff.to/L259ne

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Rats Laugh When Tickled, Scientists Say
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