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TIL rats can laugh and like to be tickled but the sound is too high for humans to hear

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dDjyQ TIL The fastest anyone has ever ran 60 meters is by Su Bingtian who ran a 6.29. This was done the middle of a 100m sprint, so the official fastest 60m sprint is held by Christian Coleman at 6.34 seconds.
GAvkg TIL the " Where do we go now? " ending to Guns N Roses " Sweet Child O' Mine " came about because the band couldn't figure out how to end this part of the track.
loWAr TIL if you pee in the shower every day you’ll save an approximate 1000 gallons per person per year If every American did it we would conserve over 209 billion gallons of water a year topic starts at 2:08
yQ8dM TIL A hidden ecosystem seems to lurk six miles below the Mariana Trench, offering clues for finding life across the solar system.
veGj TIL that Nobel Prize-winning biochemist Kary Mullis stated that his LSD use greatly helped him develop the polymerase chain reaction, a commonly used technique in molecular biology.