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r/todayilearned

38,135,801 subscribers
You learn something new every day; what did you learn today?
Submit interesting and specific facts about something that you just found out here.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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to r/todayilearned by PS_Sullys
1 week ago
Preview thumbnail for TIL that Gabe Newell owns a marine research company, and now mostly lives at sea on his boats and submarines. image
TIL that Gabe Newell owns a marine research company, and now mostly lives at sea on his boats and submarines.
to r/todayilearned by Potatoe_expert
1 week ago
Preview thumbnail for TIL Tasmanian Devil's give birth to between 30 and 40 offsprings but the mother only has four teats. The first four to attach to teats survive, the others perish. image
TIL Tasmanian Devil's give birth to between 30 and 40 offsprings but the mother only has four teats. The first four to attach to teats survive, the others perish.
to r/todayilearned by 1000LiveEels
2 weeks ago
Preview thumbnail for TIL in 1902, one day after being jailed for a fight, a man named Ludger Sylbaris survived for four days while the pyroclastic flow from Mt. Pelée killed 30,000. His jail cell was a former ammunition storehouse with thick walls and no windows apart from one ventilation shaft. image
TIL in 1902, one day after being jailed for a fight, a man named Ludger Sylbaris survived for four days while the pyroclastic flow from Mt. Pelée killed 30,000. His jail cell was a former ammunition storehouse with thick walls and no windows apart from one ventilation shaft.
in Montana
to r/todayilearned by nxusnetwork
1 month ago
Preview thumbnail for TIL your metabolism doesn’t really slow down until after age 60 image
TIL your metabolism doesn’t really slow down until after age 60
to r/todayilearned by Flares117
3 weeks ago
TIL: There was a former warlord and cannibal, now preacher known as General Butt Naked. He led the Naked Base Commandos, comprised of child soldiers, to commit child sacrifices and cannibalism in war. He admitted to killing at least 20k, but was not prosecuted. He now assists former child soldiers.
to r/todayilearned by zahrul3
1 month ago
Preview thumbnail for TIL of shell cordovan, a rare "leather" that isn't made from animal skin, but connective tissue from a horse's buttocks. Shoes made from them are waterproof, don't crease, don't require polishing, and can last indefinitely. Only two major tanneries make them. image
TIL of shell cordovan, a rare "leather" that isn't made from animal skin, but connective tissue from a horse's buttocks. Shoes made from them are waterproof, don't crease, don't require polishing, and can last indefinitely. Only two major tanneries make them.
to r/todayilearned by charliewaffles2412
1 month ago
Preview thumbnail for TIL Scientists showed with study that 94% of their AI-generated exam answers remained unrecognized. The AI performed half a grade better than the students. image
TIL Scientists showed with study that 94% of their AI-generated exam answers remained unrecognized. The AI performed half a grade better than the students.
to r/todayilearned by appalachian_hatachi
1 month ago
Preview thumbnail for TIL: That Mark Chapman, killer of John Lennon, has been allowed regular conjugal visits since he accepted solitary confinement in 2014. He is allowed to spend 44 hours alone with his wife in a specially built prison home. He also gets occasional visits from his sister, clergy, and a few friends. image
TIL: That Mark Chapman, killer of John Lennon, has been allowed regular conjugal visits since he accepted solitary confinement in 2014. He is allowed to spend 44 hours alone with his wife in a specially built prison home. He also gets occasional visits from his sister, clergy, and a few friends.
to r/todayilearned by man0xen
1 month ago
Preview thumbnail for TIL in 1660 Prince Rupert brought bulbous shaped glass "drops" to King Charles II. These were the first instance of a predecessor to tempered glass. They could withstand a blow from a hammer on the bulbous end without breaking, while exhibiting explosive disintegration if the tail was damage. image
TIL in 1660 Prince Rupert brought bulbous shaped glass "drops" to King Charles II. These were the first instance of a predecessor to tempered glass. They could withstand a blow from a hammer on the bulbous end without breaking, while exhibiting explosive disintegration if the tail was damage.
to r/todayilearned by house_of_ghosts
2 weeks ago
Preview thumbnail for TIL Sir Paul Nurse, English geneticist and Nobel Prize winner, had his application for a US green card rejected due to the short-form UK birth certificate which he submitted not naming his parents. When he applied for a full birth certificate he discovered that his sister was actually his mother. image
TIL Sir Paul Nurse, English geneticist and Nobel Prize winner, had his application for a US green card rejected due to the short-form UK birth certificate which he submitted not naming his parents. When he applied for a full birth certificate he discovered that his sister was actually his mother.
to r/todayilearned by Ainsley-Sorsby
1 month ago
Preview thumbnail for TIL Alexander the Great had a Hindu Guru who accompanied his army on their return to Persia. After he died via self immolation the army held a drinking contest in his honor, resulting in 42 people dying from alcohol poisoning, including the winner, who drank 13 litres of unmixed wine image
TIL Alexander the Great had a Hindu Guru who accompanied his army on their return to Persia. After he died via self immolation the army held a drinking contest in his honor, resulting in 42 people dying from alcohol poisoning, including the winner, who drank 13 litres of unmixed wine
to r/todayilearned by tyrion2024
1 month ago
Preview thumbnail for TIL Steven Spielberg beat James Cameron to the film rights of Jurassic Park by just a few hours. However after Cameron saw Spielberg's film, he realized that Spielberg was the right person for it because dinosaurs are for kids and he would've made "Aliens with dinosaurs." image
TIL Steven Spielberg beat James Cameron to the film rights of Jurassic Park by just a few hours. However after Cameron saw Spielberg's film, he realized that Spielberg was the right person for it because dinosaurs are for kids and he would've made "Aliens with dinosaurs."
to r/todayilearned by Bobcat317
2 months ago
Preview thumbnail for TIL That King Baldwin IV was one of the most effective leaders and warriors on the battlefield during the crusades, putting a check on Saladin’s forces multiple times. This is despite being afflicted with leprosy and dying at age 24. image
TIL That King Baldwin IV was one of the most effective leaders and warriors on the battlefield during the crusades, putting a check on Saladin’s forces multiple times. This is despite being afflicted with leprosy and dying at age 24.
to r/todayilearned by thebigchil73
1 month ago
Preview thumbnail for TIL about the oldest barrel of drinkable wine, made in 1472. It’s only been tasted 3 times - in 1576 to celebrate an alliance; in 1716 after a fire; and finally in 1944 when Strasbourg was liberated during World War II. image
TIL about the oldest barrel of drinkable wine, made in 1472. It’s only been tasted 3 times - in 1576 to celebrate an alliance; in 1716 after a fire; and finally in 1944 when Strasbourg was liberated during World War II.
to r/todayilearned by ObjectiveAd6551
1 month ago
Preview thumbnail for TIL that in 1995, Johnny Depp saved Courtney Love’s life after she overdosed outside The Viper Room in Los Angeles. Depp performed CPR until paramedics arrived, helping revive Love before she was rushed to the hospital image
TIL that in 1995, Johnny Depp saved Courtney Love’s life after she overdosed outside The Viper Room in Los Angeles. Depp performed CPR until paramedics arrived, helping revive Love before she was rushed to the hospital
to r/todayilearned by RealisticBarnacle115
1 month ago
Preview thumbnail for TIL Flappy Bird, released in May 2013, became a sleeper hit in early 2014, and by the end of January, it was the most downloaded free game on the iOS App Store, earning $50,000 a day. However, the developer soon removed it, citing guilt over "the game's addictive nature and overuse." image
TIL Flappy Bird, released in May 2013, became a sleeper hit in early 2014, and by the end of January, it was the most downloaded free game on the iOS App Store, earning $50,000 a day. However, the developer soon removed it, citing guilt over "the game's addictive nature and overuse."
to r/todayilearned by Diqt
1 month ago
Preview thumbnail for TIL about Dyers Burgers, who have been using the same grease to cook for over 100 years image
TIL about Dyers Burgers, who have been using the same grease to cook for over 100 years
to r/todayilearned by KingSolomon1010
1 month ago
TIL of the phenomenon known as "Twin Films," in which two movie studios simultaneously release the same type of movie.
to r/todayilearned by jeffrois
1 month ago
Preview thumbnail for TIL that Martha Stewart did not go to prison for insider trading. She was charged and found guilty of lying to the FBI. image
TIL that Martha Stewart did not go to prison for insider trading. She was charged and found guilty of lying to the FBI.
to r/todayilearned by Flares117
1 month ago
Preview thumbnail for TIL: After the 2017 movie "It" there was a spike in coulrophiliacs, or people who are attracted to clowns, mainly among women. Vice interviewed Sugar Weasel, a clown escort who say women were typically clients. Props are a major part of the scene. image
TIL: After the 2017 movie "It" there was a spike in coulrophiliacs, or people who are attracted to clowns, mainly among women. Vice interviewed Sugar Weasel, a clown escort who say women were typically clients. Props are a major part of the scene.
to r/todayilearned by The_Techsan
1 month ago
Preview thumbnail for TIL The only known naturally occuring nuclear fission reactor was discovered in Oklo, Gabon and is thought to have been active 1.7 billion years ago. This discovery in 1972 was made after chemists noticed a significant reduction in fissionable U-235 within the ore coming from the Gabonese mine. image
TIL The only known naturally occuring nuclear fission reactor was discovered in Oklo, Gabon and is thought to have been active 1.7 billion years ago. This discovery in 1972 was made after chemists noticed a significant reduction in fissionable U-235 within the ore coming from the Gabonese mine.
in Gabon
to r/todayilearned by admiralturtleship
2 months ago
TIL while filming Metropolis (1927) they would often end up with more children in the evening than in the morning. Coming from the poorest areas of Berlin, the children would sneak onto set or climb over the fence to experience the warm rooms, games, toys, cocoa, cake, and regular meals
PDF
to r/todayilearned by Thin-Rip-3686
1 month ago
Preview thumbnail for TIL that in the Tenerife air disaster, the deadliest accident in aviation history, none of the victims had tickets to Tenerife. image
TIL that in the Tenerife air disaster, the deadliest accident in aviation history, none of the victims had tickets to Tenerife.
to r/todayilearned by TunaSaladLover
1 month ago
Preview thumbnail for TIL Tommy Cooper was a Welsh magician/comedian whose shtick was "a clumsy magician messes up his tricks". He had a massive heart attack, collapsed and died on stage during a live broadcast, in front of 12 million viewers, with studio audience laughing at what they thought was just one of his acts. image
TIL Tommy Cooper was a Welsh magician/comedian whose shtick was "a clumsy magician messes up his tricks". He had a massive heart attack, collapsed and died on stage during a live broadcast, in front of 12 million viewers, with studio audience laughing at what they thought was just one of his acts.
to r/todayilearned by Mostmodestmia
2 months ago
Preview thumbnail for TIL Buzz Lightyear was originally named Lunar Larry image
TIL Buzz Lightyear was originally named Lunar Larry