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TIL that the sign of the horns (rock and roll hand sign) is an offensive gesture in many countries symbolizing cuckoldry

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Bpvx TIL a B2 Bomber carries not one, but sixteen nuclear bombs, each 75 times bigger than the one dropped on Hiroshima.
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.
W70do TIL About Diana Budisavljević, the female Schindler, who undertook one of the greatest humanitarian acts in WWII, by saving over 7,700 children from concentration camps in the area of what is today's Croatia
Lk6od TIL that the term Banana republic was invented by the author O. Henry when he lived in Honduras, and described a politically unstable country dependent upon the exportation of limited-resource product.
rRGBx TIL that the artist who made Scooby-Doo found desirable traits that you’d look for in a top level show dog and drew Scooby-Doo to represent the opposite.