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TIL Gangsta's Paradise is just a cover with some changed lyrics of the song Pastime Paradise by Stevie Wonder

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b9mw7 TIL that in 2012, Taliban spokesman Yousef Ahmadi accidentally used 'CC' instead of 'BCC' when sending a press release, thereby exposing the names and emails of more than 400 Taliban press contacts.
6NEm TIL 30-ft-long Manatees called Steller’s Sea Cows lived into modernity… within 27 years of being found by European hunters, they were extinct.
6En6Y We’ve been conditioned to think of Covid-19 as a respiratory disease—but it’s not just about the lungs. Evidence is emerging that the coronavirus can cause heart damage in people who’ve had mild symptoms or none at all, especially if those people exercise while they’re infected. If you've just had Covid—even if you didn't have symptoms—you need to be aware of myocarditis. That’s cardiologist-speak for what happens when the muscular walls of the heart become inflamed, weakening the organ and making it more difficult for it to pump blood. It’s not a newly discovered condition, and it turns up pretty rarely, but when it does, it’s most often triggered by an infection. Strenuous activity while the heart is weakened can cause swelling in the legs, dizziness, shortness of breath, and—in serious cases—irregular heartbeat, cardiac arrest, and sudden death.
KQe4 TIL There are giant clouds of alcohol in space.
a97A TIL spiral staircases in medieval times wound in a clockwise direction (from the ascender’s point of view) to place attacking swordsmen (who were most often right-handed) at a disadvantage