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TIL Listerine was initially used as an anti-septic and is named after Joseph Lister, the doctor who famously used the first anti-septics in the medical field. It has also been sold as floor cleaner and as a cure for Gonorrhea

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p8KX8 TIL the “Death Zone” is what climbers call the highest part of Mount Everest (everything above 26,247ft). Due to its lack of oxygen, the body literally begins to die, cell by cell. This can result in health risks like impaired judgement, heart attack or stroke, and altitude sickness.
58KD TIL that lotuses are basically night clubs for beetles because they are able to keep their flowers at a constant 30-35°C even during cold nights. Beetles trapped “when the petals on these bowl-shaped blooms closed up for the night were indeed very active, spending the night mating and feeding”.
QJxb9 TIL: That you weigh less if you visit certain areas of Canada, namely the Hudson Bay Area and parts of Quebec, because there’s less gravity there than other parts of the world.
exl5 TIL Aphex Twin encoded a secret picture of a grinning face into a song on his 1999 ‘Windowlicker’ EP
R5val TIL on July 19, 1985, in his sixth professional bout, a young Mike Tyson faced Larry Sims in Poughkeepsie, New York. Out of Tyson's 58 professional fights, this is the only one never captured on video. It is theorized that the scheduled film crew failed to arrive on time, missing the entire match.