Today I Learned (TIL)

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The original was posted on /r/todayilearned by /u/FamiliarBorder on 2025-08-11 21:57:56+00:00.

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The original was posted on /r/todayilearned by /u/johnsmithoncemore on 2025-08-11 20:23:54+00:00.

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The original was posted on /r/todayilearned by /u/OatSoyLaMilk on 2025-08-11 19:45:35+00:00.

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The original was posted on /r/todayilearned by /u/LookAtThatBacon on 2025-08-11 19:31:34+00:00.

Original Title: TIL in 1992, about 70 youth members of the Eclaireurs de France, a French scouting association, descended on the Cave of Mayrières supérieure with steel brushes to clean up graffiti, erasing two 15,000-year-old cave paintings of bison before realizing what they were.

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The original was posted on /r/todayilearned by /u/ProductDad on 2025-08-11 18:57:41+00:00.

Original Title: TIL that in 1977, two Soviet cosmonauts set a space endurance record by spending 96 days in orbit — but lost half their muscle mass, couldn’t walk for days, and needed to be carried out of their capsule.

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The original was posted on /r/todayilearned by /u/Grumplogic on 2025-08-11 17:39:47+00:00.

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The original was posted on /r/todayilearned by /u/adembhdrl on 2025-08-11 08:03:19+00:00.

Original Title: TIL that in 168 BC, Roman ambassador Popillius Laenas met the Seleucid king Antiochus IV to stop the war with Egypt. But when the king sought time to consult, Popillius drew a circle around him and said: "Before leaving this circle, you will give me a reply that I can take back to the Roman Senate."

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The original was posted on /r/todayilearned by /u/Blutarg on 2025-08-11 19:06:01+00:00.

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The original was posted on /r/todayilearned by /u/middleofaldi on 2025-08-11 17:14:41+00:00.

Original Title: TIL the economist Henry George, now largely forgotten, was once considered amongst most significant Americans of all time and over 100,000 people attended his funeral. His work inspired the Progressive Era and the board game Monopoly

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The original was posted on /r/todayilearned by /u/Objective_Horror1113 on 2025-08-11 15:47:28+00:00.

Original Title: TIL that during the COVID lockdown in April 2020, US oil prices went negative for the first time ever, falling to -$37.63 per barrel, as demand collapsed and storage filled up, forcing sellers to pay buyers to take oil off their hands.

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The original was posted on /r/todayilearned by /u/afeeney on 2025-08-11 17:12:50+00:00.

Original Title: TIL that Yale graduate, champion golfer, and industrialist Eben Byers died of cancer after drinking 1,400 bottles of Radiathor, radioactive water sold as medicine. He had to be buried in a lead-lined coffin because of the high levels of radiation in his body (https://spark.iop.org/byers-lead-coffin)

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The original was posted on /r/todayilearned by /u/pocketbutter on 2025-08-11 16:32:50+00:00.

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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-08-11 14:24:13+00:00.

Original Title: TIL the 'personal injury lawsuit' evolved from a rare sight to a common occurrence during the Second Industrial Revolution at the end of the 19th century. In 1870, tort lawsuits made up only 4.2% of the contested caseload of New York City trial courts, but by 1910, that number had increased to 40.9%

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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-08-11 14:20:56+00:00.

Original Title: TIL a man discovered a trick for predicting winning tickets of a Canadian Tic-Tac-Toe scratch-off game with 90% accuracy. However, after he determined that using it would be less profitable (and less enjoyable) than his consulting job as a statistician, he instead told the gaming commission about it

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The original was posted on /r/todayilearned by /u/0khalek0 on 2025-08-11 13:38:10+00:00.

Original Title: TIL about Ibn al-Haytham, a 10th-century scientist who changed how we understand the science of vision. He once pretended to be insane to escape execution and used his house arrest to write important works on optics.

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The original was posted on /r/todayilearned by /u/StrikingMango62 on 2025-08-11 12:32:48+00:00.

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The original was posted on /r/todayilearned by /u/zahrul3 on 2025-08-11 11:42:38+00:00.

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The original was posted on /r/todayilearned by /u/altrightobserver on 2025-08-11 03:26:33+00:00.

Original Title: TIL that the Beatles were almost banned from the Philippines after rejecting a breakfast invitation from the country’s First Lady. They were then subsequently attacked by a violent mob in the streets of Manila, who beat up their roadies and PR manager

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The original was posted on /r/todayilearned by /u/StrikingMango62 on 2025-08-11 11:04:48+00:00.

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The original was posted on /r/todayilearned by /u/flamingoooz on 2025-08-11 10:04:07+00:00.

Original Title: TIL The National Sleep Foundation recommends 8–10 hours of sleep for teens, but its 2024 Sleep in America Poll found that less than 2 in 10 U.S. teens reported getting that amount, and teens who started school before 8:30am had higher levels of depressive symptoms than those who started later.

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The original was posted on /r/todayilearned by /u/duga404 on 2025-08-11 05:13:26+00:00.

Original Title: TIL that Uzbekistan has the 6th largest Korean population outside of Korea (~174,000), mainly due to mass deportations of ethnic Koreans (among others) in the USSR to Central Asia in the 1930s (during which up to 25% died).

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The original was posted on /r/todayilearned by /u/SirDunny on 2025-08-11 04:27:52+00:00.

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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-08-11 06:38:34+00:00.

Original Title: TIL in 2010 a 12-year-old girl was arrested in her NY junior high school after she reportedly doodled the words "I love my friends Abby and Faith" in erasable marker on her desk. She was handcuffed and taken to the local precinct, where she was locked in a room for two hours before being released.

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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-08-11 05:08:38+00:00.

Original Title: TIL the Burger King commercial starring a 5-yr-old Sarah Michelle Gellar was the first to say a competitor by name when she says, "McDonald's makes their burgers with 20% less meat than Burger King. Unbelievable!" She also wasn't allowed to eat at McD's after she was named in its lawsuit against BK.

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The original was posted on /r/todayilearned by /u/dcoughl02 on 2025-08-11 03:57:22+00:00.

Original Title: TIL about a woman named Flo Hyman (actual name) who was very tall through her life and worked to become an ‘84 Olympic medalist in women’s volleyball. Later in life, she collapsed and died on the court at the age of 31, and was determined to have been undiagnosed of Marfan Syndrome.