Why are we ticklish? Scientists who tickled rats offer an intriguing answer

Thursday, November 10, 2016 - 18:01 in Paleontology & Archaeology

Need a good laugh? The feeling is pretty universal, according to researchers who tickled rats for the sake of science. When the animals received a 10-second tickle from a gloved hand, they responded with a rat version of laughter. The animals seemed to enjoy it — indeed, they ran toward the gloved...

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