Classical Greece wasn't filled with pure white marble everything. The statues and ruins we see today were actually painted in all kinds of vivid colors that were just stripped bare back to their original white marble by time. theancienthome.com/blogs/…
Stonehenge isn't the only one of it's kind. They are call Stone Circles and they're all over the Bristish Isles. In fact thousands of them. wikipedia.org/wiki/List_o…
A Killer Whale learned to mimic human words such as 'Hello' and 'Bye Bye.' The first of its kind to copy human speech. Whales and Dolphins are among the few animals other than humans which can learn to produce sound simply by hearing them. bbc.co.uk/news/science-en…
In the 1952 polio epidemic in Denmark, mortality was over 85 per cent due to a shortage of respirators. Dr Bjorn Ibsen invented a new kind of ventilator, proved it worked and then recruited thousands of volunteers to hand-pump them for weeks (they were fully manual). Mortality fell to 26%. researchgate.net/publicat…
Blue pigment does not exist in nature (with the exception of the obrina olivewing butterfly). Everything else, including flowers, is due to some kind of light reflection. bestlifeonline.com/blue-i…
No, you didn't win a gift card and no we aren't running a contest/giveaway of any kind. It's a scam.

Users in r/todayilearned have received messages from spam accounts claiming they won a gift card in some contest. These accounts usually contain β€œmod” in the username, and start their messages by saying β€œOur Reddit team chose YOU for our monthly raffle for a $100 gift card (Yay!)” to trick people into thinking it is an official subreddit contest. If you received a message like this, please do not click on the link or reply to the account as it this offer is not genuine. Additionally, please report it to the admins here so they can remove these spam accounts from reddit. r/todayilearned does not run contests like this, and official messages from the subreddit will be sent from "/r/todayilearned", not individual user accounts.

Edit: These morons are also hitting the users of r/askreddit hard because they have a sticky about this issue.

Edit2 3/14: I guess these guys are slightly evolving their tactics, but they are still hitting our TIL community so putting the sticky back on because

... keep reading on reddit ➑

Collecting toad sperm is easy; many release it in urine. Scoop 'em up and they urinate/ejaculate in fear. But what if they don't? According to Diane Barber of Fort Worth Zoo: "It's kind of weird, but if you hold them in your hand and look at them and bark at them like a dog, then they will pee". phys.org/news/2019-11-1st…
In late 1970s Italy coins have become scarce so shops used candy, bus tickets, and telephone tokens as change until banks started issuing a kind of non-money replacement en.wikipedia.org/wiki/Min…
Thomas Paine, one of America's founding fathers, was extremely progressive for his time. He advocated for the separation of church and state, universal suffrage, the abolition of slavery, and an early kind of socialism. When he died, only six men came to his funeral. en.wikipedia.org/wiki/Tho…
While there are many theories for the origin of life, most of them fall into 1 of 4 kinds: 1) Supernatural event, 2) Life arises all the time, 3) Life has no "beginning," 4) Improbable chemical event. britannica.com/science/li…
There's a kind of beetle named after Stephen Colbert. Colbert had previously asked scientists to name something "cooler than a spider" after him. The scientist that discovered the beetle then named it after Colbert, because "beetles are way cooler than a spider any day". expertsure.com/2009/05/07…
Some trees can survive temperatures as low as -269 degree Celsius. They have evolved a supercooling method where the insides of their cells turn into glass. Its a kind of suspended animation where the molecules don't really move. nature.com/articles/natur…
Victor Klemperer, Jewish KZ inmate and post-WWII professor of German literature, wrote a book that analyzed how Nazis introduced a nearly Orwellian kind of German language. Examples are: "crisis" for defeat, "connection" (Anschluss) for annexation, and "enhanced interrogation" for torture. en.wikipedia.org/wiki/LTI…
Spielberg began work on a sequel to Close Encounters of the Third Kind called 'Night Skies' about a family living in a house being attacked by aliens which then split into both E.T. the Extra-Terrestrial and Poltergeist. In Gremlins, you'll see a theater marquee listing abandoned names for E.T. grantland.com/hollywood-p…
Buzz Lightyear was originally conceived as a "Dudley Do-Right" kind of character: dim-witted but cheerful and self-aware. He was then re-envisioned as an action figure who isn’t aware that he’s a toy, and who therefore takes his job as an Intergalactic Space Ranger quite seriously. businessinsider.com/joss-…
The maned wolf (Chrysocyon brachyurus) is the largest canid of South America. It is neither a fox nor a wolf. It is the only species in the genus Chrysocyon which literally means "golden dog", and it communicates mainly by scent markings and a kind of "roar-barking." Its urine smells like weed. en.wikipedia.org/wiki/Man…
Spiders can fly through still air for miles using earth's electric fields. The process is initiated by "Trichobothria", a particular kind of hair growing amidst many others on spider's bodies. pbs.org/newshour/science/…
There is an adult Asian elephant with dwarfism living wild in Sri Lanka. Standing around 50% of normal adult size, it is not the result of intentional breeding. It is thought to be the only case of its kind. bbc.com/earth/story/20150…
Earthworms have a kind of intelligence. This allows them to find the sharpest point of a paper triangle 62% of the time and then use this to pull the paper triangle into their burrows efficiently. They do the same with leaves and this led Charles Darwin to conduct the paper experiment. archive.wilsonquarterly.c…
While accounting for merely 3% of Taiwan’s total land area, Yushan National Park has half of Taiwan’s native plant species growing within its boundaries. In surveys, there are 2,522 different kinds of plants found in the park en.wikipedia.org/wiki/Yus…
Reindeer are the only kind in which the females also have antlers. discoverwildlife.com/anim…
Dogs have musical tastes. The Scottish SPCA and University of Glasgow monitored dogs' heartrates while playing different kinds of music and found that most dogs "prefer reggae and soft rock," though each individual dog also had its own preferences. bbc.com/news/uk-scotland-…
In 2002 a bakery (focacceria) in Altamura, Italy, defeated McDonald's with the local product of the city: "focaccia" a sort of bread that is stuffed with diffrent kind of products. McDonald's tried in every way to attract the attention of the citizens, but was forced to close after 2 years. nytimes.com/2006/01/12/wo…
Aztecs were one of the few ancient civilizations where education was mandatory for everyone, boys and girls from all social status were educated at home and later at schools (although the kind of school depended on gender and class) historyonthenet.com/aztec…
In Japanese Folklore, the Konaki-Jiji has the body of a baby with the head of an old man. It lies on the side of the road crying, waiting for a kind-hearted traveler to pick it up. Once the Konaki-Jiji is picked up, it turns into a heavy stone that crushes the victim to death. wikivisually.com/wiki/Kon…
Moray eel species are either one sex for life or one of three kinds of hermaphrodite (male to female, female to male, or both at once). jstor.org/stable/1446552?…
The eruption of Mount Vesuvius that buried Pompeii and Herculaneum was described in such accurate and useful detail by Pliny The Younger, that vulcanologists now call eruptions of its kind "Plinian eruptions". en.wikipedia.org/wiki/Pli…
Today I learned of the 'Ill Week' - a kind of late medieval version of the Purge. When Elizabeth I died there was a popular belief that the laws of a kingdom were suspended between the death of a sovereign and the proclamation of the successor. en.wikipedia.org/wiki/Bor…
Heart cancer is not as common as other kinds of cancer because heart cells do not often undergo cell division, which reduces the chances of mutations that might ultimately lead to cancer. scienceabc.com/humans/why…
The word Ketchup is from the Chinese word kΓͺ-tsiap, which means a kind of fish sauce. nationalgeographic.com/cu…
Japan has about 4,000 kinds of salt. knowwhereyourfoodcomesfro…
Ned Vizzini, author of β€œIt’s Kind of a Funny Story,” and other popular young-adult books that dealt with themes such as teen anxiety and depression, died by suicide. nytimes.com/2013/12/21/bo…
Rosemary is now botanically considered to be a kind of sage. gbif.org/species/11361860…
Time of flight (ToF) sensors in our modern smartphones actually bounce a signal off the object in front of it and record how long the signal takes to return to the sensor in order to measure distance, kind of like radar terabee.com/time-of-fligh…
The sunfish can grow as big as a pickup truck and can carry up to 40 kinds of parasites. They let cleaner fish feast on the parasites. But some of the toughest parasites need to be removed by seagulls. The seagulls surgically cut into the fish's flesh to eat the most stubborn of parasites. youtu.be/U60obmWODLQ
In a first-of-its-kind case, a Newfoundland man who ordered a child-sized sex doll from Japan to replace his deceased infant son was charged with possessing child pornography, mailing obscene matter, and two charges under the federal Customs Act of smuggling and possession of prohibited goods. huffingtonpost.ca/entry/n…
The tail of a feathered dinosaur has been found perfectly preserved in amber from Myanmar. The one-of-a-kind discovery helps put flesh on the bones of these extinct creatures, opening a new window on the biology of a group that dominated Earth for more than 160 million years. bbc.com/news/science-envi…
Beethoven was the pupil of Haydn for some time and the worst kind. Rebellious, cheeky, disrespectful. Finally, before Haydn died, the matured 38 years old Beethoven publicly paid his respects by kissing his hands and kneeling before the old master. popularbeethoven.com/when…
There is a type of tree that produces 40 types of fruits a year. The β€˜Tree of 40 Fruit’ are fruit trees created using the technique of grafting, as an intersection of art, farming, and preservation and each tree produces an incredible harvest of all kinds of stone fruits. en.wikipedia.org/wiki/Tre…
Steve McQueen was originally offered the title role in 'Close Encounters of the Third Kind', but turned it down as he was not able to cry on cue. When Spielberg offered to take the scene out of the movie, McQueen refused, saying it was the best scene in the script. en.wikipedia.org/wiki/Ste…
Today I learned about Cherenkov Radiation, a phenomenon where electromagnetic radiation is emitted from an electron moving faster than the phase velocity of light (Kind of like a light sonic boom). This phenomenon causes water in underwater nuclear reactors to glow blue. en.wikipedia.org/wiki/Che…
Liu Xiaobo, the first Chinese citizen to be awarded a Nobel Prize of any kind while residing in China, was imprisoned 4 times for his human rights activism and spent more than 13 years in prison since his return to China in 1989. en.wikipedia.org/wiki/Liu…
Jumps are classified by what kind of foot transfer happens. You hop on one foot, you leap from one foot to the other. Jumping is two feet to two feet. Assemble is jumping from two feet but landing on one, and Sissonne is jumping from one foot and landing on two. en.wikipedia.org/wiki/Jum…
Pre-electricity theatre spotlights produced light by directing a flame at calcium oxide (quicklime). These kinds of lights were called limelights and this is the origin of the phrase β€œin the limelight” to mean β€œat the centre of attention”. en.wikipedia.org/wiki/Lim…
The G-Spot was going to be called the 'Whipple Tickle" after its discoverer, Dr Beverley Whipple, but Whipple wanted it named after Dr Ernst Grafenberg, who was the first to suggest the presence of some kind of sensitive area, instead comicsands.com/nsfw-body-…
Nearly half the states in the US allow village and town judges to hold office without a law degree. In NY, these judges aren't even required to have a degree of any kind and can preside over criminal cases. northcountrypublicradio.o…
Blind people may detect and respond to light if it is a kind of skyblue light at 481nm. "There is more to the eye than rods and cones β€” the discovery of a third photoreceptor is rewriting the visual rulebook." nature.com/news/2011/1101…
Popcorn used to be eaten with milk and sugar as a kind of breakfast cereal during the 1800s en.wikipedia.org/wiki/Pop…
Bilinguals experience tip-of-the-tongue moments twice as often as monolinguals. Processing two languages at the same time comes with a computational cost. Although, this kind of β€œmultitasking” trains the brain. thebrainstorms.io/blog/br…
Because of their naturally friendly dispositions Samoyeds usually make for terrible guard dogs. They don't attack threats; just kind of smile and bark at them. en.wikipedia.org/wiki/Sam…
Toru Iwatani created the highest-grossing arcade game of all time: Pac-Man. Yet there was no change in his salary, no bonus, no official citation of any kind. He said, " I was just an employee" and " it’s really not my personal style to buy myself a present anyway." vh1.blogs.com/vh1_games
Tehran's Plasco Building, completed in 1962, was cherished as a symbol of modernization. It featured one-of-a-kind shopping mall and commercial office space. Visitors would go to the rooftop of the 17-story building and enjoy 360-degree view of Tehran before it collapsed during a fire cnn.com/2017/01/23/middle…
There is a Vibrator bar in Japan where single women and couples can go to try upto 350 different kinds of vibrator's, dildo's and sex toys for a small fee. A cover charge of 3,000yen per person includes a 90-minute visit and two drinks. Of course you can extend your pleasure and stay longer. en.japantravel.com/tokyo/…
A man was snorkeling off the coast of South Africa when an enormous Bryde's whale scooped him up in his mouth headfirst. The man felt pressure on his body but soon realized he was too big for the whale to swallow him whole which was "kind of an instant relief." The whale spat him out unharmed. foxnews.com/world/diver-s…
An group of archaeologists have found trousersβ€”worn between 3K and 3.3K yrs agoβ€”in a tomb in W China. The trousers were invented for horse riding by Chinese pastoralists and are the oldest known examples of this kind of apparel. The trousers are formed from three separately woven pieces. gizmodo.com/these-3000-ye…
Today I learned about Operation Gladio, an alliance between NATO, the CIA the mafia, the catholic church, and several neo-fascist groups to crush any kind of leftist political movement in Italy between 1956 and 1990 en.wikipedia.org/wiki/Ope…
: Loompanics Unlimited was an American book seller and publisher specializing in nonfiction on generally unconventional or controversial topics like drugs, weapons, anarchism, sex, conspiracy theories, etc. Many of their titles describe some kind of illicit or extralegal actions. en.wikipedia.org/wiki/Loo…
The oil in poison ivy called urushiol is the same kind of oil used in traditional lacquer ware in China, Korea and Japan. en.wikipedia.org/wiki/Uru…
There is a kind of cancer that is transferrable that affects Tasmanian Devils. Infected devils bite other devils which transfers the cancer and causes face and mouth tumours. Tasmanian Devils are now endangered because of the decline in their population caused by this cancer. tcg.vet.cam.ac.uk/about/D…
The kind of video games that require the player to backtrack and find abilities or unlockables in order to progress through the story are part of the genre "MetroidVania," named after Metroid and Castlevania who started the trend gamasutra.com/view/news/2…
Today I learned about Toxorhynchites, a type of large mosquito that doesn't drink blood and kills the larvae of the kinds that do. en.wikipedia.org/wiki/Tox…
The most expensive writing pen ever sold was the $8 million Fulgor Nocturnus by Tibaldi. The one-of-a-kind fountain pen is based on the Divine Proportion of Phi, and the ratio between the cap and the barrel equals exactly 1.618. The luxurious pen also features 945 black diamonds and 123 rubies. supermoney.com/25-most-ex…
Today I learned of 19th century scientist Francis Buckland who attempted to eat every kind of animal on a table made of actual shit. mentalfloss.com/article/6…
Birds don't fart! They have a much higher rate of digestion and don't carry the same kind of bacteria in the gut that produces gas, like humans do. Because they don't have the same gas-forming bacteria, there is nothing to lose. sciencefocus.com/nature/d…
We can see the shadows of the capillaries in our eyes. Our brains just ignore them because they offer no useful information to us (kind of like how you don't see your nose unless you focus on it.) This is called the Troxler Effect. I linked a procedure you can follow to see the shadows yourself. aao.org/museum-education-…
Everyone naturally consumes and breathes in Mercury as it cycles through the Earth. Toxicity is due to the dose, frequency and what form it comes in, with elemental mercury vapor being the most toxic kind, allowing it to go straight to the brain and organs. ncbi.nlm.nih.gov/pmc/arti…
Today I learned about Mari Lwyd, a Welsh Christmas tradition in which a horse's skull is dressed up and paraded around to people's homes on a stick. The participants then ask to be let in in song, and the householders reply in kind en.wikipedia.org/wiki/Mar…
There is a kind of exotic matter called a "time crystal" that repeats itself not only in space, but in time. en.wikipedia.org/wiki/Tim…
The Alvin Submersible was the first "submarine" of its kind, being able to dive over 8000 ft. deep in 1965. It is most famous for exploring the Titanic wreckage in 1986. en.wikipedia.org/wiki/DSV…
Scientists have discovered a breed of banana which is immune to the fungus threatening the current kind of banana fruitnet.com/eurofruit/ar…
: Squirrel fishing is the sporting practice of "catching" squirrels and attempting to lift them into the air using a nut (preferably a peanut) tied to a string or fishing line, and optionally some kind of fishing pole. en.wikipedia.org/wiki/Squ…
Charles Darwin & his wife were first cousins. They had 10 kids, 7 making it to adulthood. Worried that his marriage had something to do with the deaths, he began to experiment with plants. He learned that with any kind of breeding, it's better to cross-breed than to keep relatives together. phys.org/news/2010-05-dar…
Today I learned of the legend that Kind Edward II was murdered by having a red-hot poker thrust up his anus. historic-uk.com/HistoryUK…
There is a new drug for treating schizophrenia that consists of being given a shot 4 times a year, making it the first successful medication of its kind that doesn’t require patients to take daily pills. jnj.com/media-center/pres…
Tomatoes were feared in Europe for more than 200 years. They thought aristocrats who ate them died by lead poisoning, were classified as deadly nightshades - a kind of food known as an aphrodisiac. Even the fearsome look of the green tomato worms made people believe they made tomatoes poisonous. smithsonianmag.com/arts-c…
Today I learned of Joseph Bologne, a black man who led an all-black regiment in the French Revolution, consequently the first of its kind in Europe. The son of a wealthy planter, he was also a champion fencer, classical composer, virtuoso violinist, and conductor of the leading symphony orchestra in Paris. en.wikipedia.org/wiki/Che…
Ketchup was origionally not made with tomatoes and that there are still mutiple kinds of ketchup, including walnut, mushroom, mango, and banana ketchup still sold today. cooksinfo.com/ketchup
The sibling Roman Emperors Caracalla and Geta hated each other so much that they divided the imperial palace in two like some kind of contrived sitcom plot ancient.eu/Caracalla/
That the 'harle' in harlequin is from the Old French for hell, so a harlequin was a kind of demon but the English changed it into a clown over time. vocabulary.com/dictionary…
Black peppercorns are technically a dried fruit of a flowering vine, kind of like raisins farmersalmanac.com/where-…
The presence of enough foreign materialsβ€”from food to dissimilar kinds of plasticβ€”can ruin an entire batch of would-be recyclables. discovermagazine.com/2009…
Vin Mariani the Cocaine-Laced Wine was new kind of wine invented by French Chemist Angelo Mariani in the 19th century. Queen Victoria, Thomas Edison, and Ulysses S. Grant were all big fans of Vin Mariani. Pope Leo XIII awarded the drink an official medal from the Vatican. en.wikipedia.org/wiki/Vin…
As part of the coronation ritual of the Island Kingdom of Tahiti, the Kings were covered with excrements and semen as a kind of honor. The last King of Tahiti who was crowned using the traditional rite was Pomare II in 1791. en.wikipedia.org/wiki/P%C…
There are actually 7 types of encounters with extraterrestrials. Encounters of the 3rd kind are β€˜UFO encounters in which an animated creature is present’. en.wikipedia.org/wiki/Clo…
Steve McQueen was Steven Spielberg's first choice for the lead role in Close Encounters of the Third Kind. McQueen was impressed by the script, but turned it down because he couldn't cry on cue mentalfloss.com/article/6…
The flag of Lofa County of Liberia is literally someone's detached arm holding some kind of cylinder over a stream en.wikipedia.org/wiki/Lof…
It's very debated if humans are actually apex predators, since the trophic level (what kind of food we eat in our diet) of any culture of humans is variable instead of constant like other animals. en.wikipedia.org/wiki/Ape…
Today I learned about the world's only black flamingo. Despite hoaxes of blue flamingos, their colours only range from white to hues of pink depending on their diet. The black flamingo has melanism and is probably one of a kind. news.nationalgeographic.c…
Compared with hunter-gatherers, industrialized peoples’ intestines have fewer kinds of microbesβ€”and are missing at least one major group of ancient bacteria. Yet even with all of these extra microbes, hunter-gatherers have fewer gut ailments, such as Crohn’s disease, colitis, and colon cancer. sciencemag.org/news/2015/…
The 1939 novel Gadsby, by Ernest Vincent Wright, uses no words beginning with the letter E in the entire novel. It was written as a lipogram, a kind of writing in which the author deliberately excludes a common letter of the alphabet. E, T, and A are the hardest letters to ignore. en.wikipedia.org/wiki/Gad…
That, by law in Rhode Island, jonnycakes must be made from Rhode Island-grown and -ground white cap flint corn. Those made from any other kind of corn can only be called johnnycakes, with an "h." nytimes.com/1993/04/18/tr…
Rentier capitalism is a term currently used to describe the belief in economic practices of monopolization of access to any (physical, financial, intellectual, etc.) kind of property, and gaining significant amounts of profit without contribution to society. en.wikipedia.org/wiki/Ren…
Today I learned about fritted glass - a special kind of glass with small opaque dots to ensure birds can see the glass while humans can see straight through it. swarthmore.edu/x21557.xml
Paul McCartney and John Lennon bonded over losing their mothers at a young age. β€œWe had a kind of bond that we both knew about that, we knew that feeling." biography.com/news/john-l…
That, Charles Babbage designed two new kinds of mechanical calculators, which were so big that they required the power of a steam engine to operate, and that were too sophisticated to be built in his lifetime. en.wikipedia.org/wiki/Mec…
Some kinds of penguins search for the perfect rock to give his companion as a sign of love. snopes.com/fact-check/pen…
Today I learned of The Icelandic Elf School in ReykjavΓ­k, Iceland, that offers lectures and guided tours about Icelandic folklore. The organization teaches about the hidden people and the 13 different kinds of elves that the organization believes inhabit the country of Iceland. en.wikipedia.org/wiki/Ice…
George Lucas thought Steven Spielberg's "Close Encounters of the Third Kind" would out perform Star Wars so he proposed they trade 2.5% of the profit on each other's films; Spielberg took the trade, and still receives 2.5% of the profits from Star Wars. en.wikipedia.org/wiki/Sta…
There is little evidence that Kim Jong-il and the North Korean media ever claimed that he made any kind of improbable golf score. Even North Korean officials say it is an urban myth. wikipedia.org/wiki/Media_…

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