Science isn't always fun, but sometimes scientists get lucky. Researchers studying how the brain processes tickling sensations, for example, get to tickle rats and record their tiny laughs—for science. Listen to what a ticklish rat sounds like in the video below.
See What Happens When You Tickle A Rat
Who doesn't want a pet rat after watching this video?
Male Mice Sing Love Songs
Researchers use the same recording technology to listen in on the love ballads mice sing to woo their mates.
Why Are We Ticklish?
Believe it or not, being ticklish may actually serve a purpose.
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