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TIL Rats laugh when they're tickled too, but they giggle at 50kHz, which is out of our audio range.

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xVbEB TIL that there is a litigation defense strategy used by authors when defaming people dubbed ‘the small penis rule’. The author, when describing a character, will add that they have a small penis, assuming that nobody would sue them for libel and admit to having a small penis.
v1g8L TIL: Dolly Parton has a book gifting program called the Imagination Library, which gifts free books every month to children, from birth until school
e00KL TIL John Candy, John Belushi, Chris Farley, and Sam Kinison were each attached to the same three roles when they died at early ages. Those roles are now thought of as cursed.
wrO7 TIL that giant tortoises from the Galapagos can survive without food or water for up to a year. In the past, buccaneers, whalers and fur sealers would store them live in their ships’ holds as a fresh meat source that doesn’t require feeding.
8eRBK TIL the "red zone and white zone" announcements at the beginning of "Airplane!" were performed by the same real-life married couple that recorded similar announcements at LAX around the time of the film's release.