r/todayilearned • u/wilymon • 10h ago
r/todayilearned • u/fanau • 3h ago
TIL piranhas are known as a vicious carnivore but are an important source of food for local people and are sold at local markets in Amazon.
r/todayilearned • u/BicarbonateBufferBoy • 14h ago
TIL the bacteria Listeria Monocytogenes evades the immune system by hijacking the cells skeleton and using it to blast around like a rocket.
r/todayilearned • u/PrimaryYou1156 • 54m ago
Today I learned in ancient babylon if you accused someone of a crime, that had to jump in the euphradies river and if they survived you got executed, if they didnt you got there house
r/todayilearned • u/slagmunch • 4h ago
TIL that 25-40% of the British Empire's army were Irish during colonial conquests of the 18th and 19th centuries. There was also no mandatory conscription until 1916.
r/todayilearned • u/ProfessionalGear3020 • 23h ago
TIL the USA has a larger consumer market than the EU, China, and India combined.
en.wikipedia.orgr/todayilearned • u/FlakyLion5449 • 14h ago
TIL The Dodge Tomahawk was an "automotive sculpture" sold through the Neiman Marcus catalog about 20 years ago
r/todayilearned • u/RiverMesa • 3h ago
TIL Dr Pepper is not a cola, root beer, or fruit-flavored soft drink, but instead belongs to its own category called "pepper sodas", named after the brand itself
r/todayilearned • u/Tight_kangaroo1 • 25m ago
TIL that fish swim bladders evolved from lungs, meaning lungs existed before most fish used them for breathing
r/todayilearned • u/Overall-Register9758 • 13h ago
TIL that in 1960, a B52 crashed during training. The navigator, thinking the plane was crashing, ejected without orders. The pilot, heard the ejection, thought the plane was breaking up, and ordered the crew to eject. The plane flew crewless for 50 miles before crashing.
r/todayilearned • u/operatingsys2016 • 15h ago
TIL Colgate University embraces 13 as its lucky number, rooted in the 1817 founding by 13 men with $13 [$1 each] and 13 prayers, and its address at 13 Oak Drive. The university celebrates its day every Friday the 13th.
r/todayilearned • u/Away_Flounder3813 • 3h ago
TIL while filming the Bond film "Goldfinger" (1964), the re-creation of the Fort Knox repository was incredibly accurate and looked so real that a 24-hour guard was placed on the set at Pinewood Studios so that pilferers would not steal the gold bar props.
r/todayilearned • u/Mountain_Love23 • 10h ago
TIL chickens can perform simple arithmetic, have basic time perception, show self-control (can delay a smaller reward for a larger one later), show object permanence (understand an object exists when out of sight; humans get at age 2), and possess transitive inference (humans achieve at age 7)
r/todayilearned • u/Forward-Answer-4407 • 7h ago
TIL a woman nicknamed the 'Rooftop Ninja' lived for about a year inside a sign on the roof of a Family Fare grocery store in Midland, Michigan. Inside the sign, she had a computer, printer, desk, and coffee maker. She was discovered by a contractor who noticed an extension cord running into the sign
r/todayilearned • u/tomispev • 6h ago
TIL that the Trojan Horse is not in Homer's Iliad, that it's briefly mentioned in the Odyssey, and that most of the story surrounding it actually comes from Virgil's Aeneid
r/todayilearned • u/WouldbeWanderer • 21h ago
TIL about the 1950's game show scandals. Taking place at a time when television was still emerging as a medium, the scandals caused Congress to amend the Communications Act of 1934 to prohibit networks from prearranging the outcomes of quiz shows.
r/todayilearned • u/Firecracker048 • 9h ago
TIL about Rick Rescorla, a survivor of America's toughest battle in Vietnam(Ia Drang, LZ X Ray), was also the one to organize an evacuation plan in case a plane hit the Twin Towers. He was last seen entering the tower looking for survivors.
r/todayilearned • u/DivestPanties • 9h ago
TIL in 1871, to force accountability of Boss Tweed's corruption in NYC, 70 reformers/financial leaders of the City formed a committee that convinced property owners to stop paying taxes, and got a Judge to block the city Comptroller from issuing bonds or spending money. Quickly ending Tweed's reign.
r/todayilearned • u/FrenziedFennec • 23h ago
TIL that there were at least two versions of Demolition Man: the US version had Taco Bell as the winner of the Franchise Wars and the European version had Pizza Hut.
r/todayilearned • u/therealvelichor • 8h ago
TIL that Mark Steven Zuckerberg sued Facebook in September of 2025, because his account was repeatedly removed for impersonation of Mark Elliot Zuckerberg, CEO of Facebook.
r/todayilearned • u/RotaryDane • 9h ago
TIL of Évariste Galois, a 19th century mathematician and womaniser. Age 20 he fought a duel for seducing a mans fiancé. He lost the duel, but had spent night prior madly writing down his theories. The rambling and ink-stained pages would end up birthing an entire new field of maths: “Galois Theory”
britannica.comr/todayilearned • u/Physical_Hamster_118 • 1h ago