Monday, July 20, 2009

Animals can laugh

Scientists listened to animals playing and they noticed something that appeared to them to be laughter. They studied this behavior for couple of years before acturally realizing that it is laughter.
Soon they got a device which transformed higher frequency sounds to frequencies our auditory system can hear.
So they developed a way to ask these rats if they liked being tickled and the answer was definite yes!
From Dr. Jaak Panksepp - scientist from Bowling Green State University:

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