Wild Facts We Can’t Believe We Just Learned About Today

There is a page on Reddit called "today I learned," or "TIL" for short. On this page, people post interesting little-known facts that they just found out about. We've compiled some of the most interesting tidbits posted there so that we can all expand our minds.

How many of these facts do you know already, and how many are totally new to you? Keep reading to learn so much more about the world around us.

A Bigger River

A boat travels along the Mississippi River near Interstate 40 Hernando DeSoto Bridge in Memphis, Tennessee, U.S
Photo Credit: Houston Cofield/Bloomberg via Getty Images
Photo Credit: Houston Cofield/Bloomberg via Getty Images

"TIL that the Mississippi River was once five miles wide and whales swam up it from the Gulf of Mexico.

"The remains of these whales have been found in Michigan." —InAFloodplain / Reddit

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Free Beaches

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A couple is seen walking on the beach wearing white button shirt and shorts with floral print and black bikini top and sheer skirt
Photo Credit: Christian Vierig/Getty Images
Photo Credit: Christian Vierig/Getty Images
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"TIL that all beaches in Mexico are property of the federal government.

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"There are no privately owned beaches in the whole country, all of them are open to public use." —SplittingHares / Reddit

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An Escaped Cow

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Cows are seen at Liniers Market, in Liniers neighborhood, Buenos Aires
Photo Credit: RONALDO SCHEMIDT/AFP via Getty Images
Photo Credit: RONALDO SCHEMIDT/AFP via Getty Images
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"TIL that a cow escaped from a Polish farm and was spotted months later living with a herd of wild bison." —TBTabby / Reddit

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I guess that cow just really wanted to get in touch with nature.

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The Story Behind Billie Jean

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Michael Jackson performs in concert circa 1986.
Photo Credit: Kevin Mazur/WireImage
Photo Credit: Kevin Mazur/WireImage
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"TIL Michael Jackson was terrified of the real-life fan who inspired the song Billie Jean after she sent him a letter with a weapon and instructions to kill himself.

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"He kept her photograph to memorize her face, in case she ever turned up someplace." —Reddit

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Standing Up For What's Right

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Homeward, 1895. Artist Edward Mitchell Bannister.
Photo Credit: Heritage Art/Heritage Images via Getty Images
Photo Credit: Heritage Art/Heritage Images via Getty Images
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"TIL that even though Edward Bannister won 1st prize for painting at the 1876 Philadelphia centennial international exhibition, after discovering Bannister's identity, the judge wanted to rescind his award because he was black.

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"However, this wasn't possible due to protests from the other competitors." —LogicBomb69 / Reddit

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Bees Are Hardier Than We Thought

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Notre Dame Cathedral after massive fire, in Paris, France on 6 July 2019
Photo Credit: Jakub Porzycki/NurPhoto via Getty Images
Photo Credit: Jakub Porzycki/NurPhoto via Getty Images
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"TIL that when the Notre-Dame Cathedral was on fire, the some 200,000 bees that live in the roof were thought to be dead...

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"But in fact, they were still alive after the fire." —ilikecheems1 / Reddit

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The Ultimate Mole

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FBI Agent Robert Philip Hanssen is shown in this undated file photo, released by the FBI February 20, 2001
Photo Credit: FBI/Newsmakers
Photo Credit: FBI/Newsmakers
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"TIL about FBI agent Robert Hanssen. He was tasked to find a mole within the FBI after the FBI's moles in the KGB were caught.

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"Robert Hanssen was the mole and had been working with the KGB since 1979." —phileo56 / Reddit

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They Love Their Tea

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Coffee and tea in a hotel room in Vihula manor complex.
Photo Credit: Focus/Toomas Tuul/Universal Images Group via Getty Images
Photo Credit: Focus/Toomas Tuul/Universal Images Group via Getty Images
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"TIL that England experiences large spikes in power demand during half-time at football games due to widespread use of electric kettles." —nitrokitty / Reddit

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What's half-time without a spot of tea?

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A Tough Life

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Mary Wollstonecraft Shelley - portrait
Photo Credit: Culture Club/Getty Images
Photo Credit: Culture Club/Getty Images
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"TIL Mary Shelley, author of Frankenstein, endured many tragedies. Her mother died after giving birth to her, she was in constant debt, her first, second, and third children all died, while her husband drowned on his sailing boat.

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"She herself passed away at 53." —MarineKingPrime_ / Reddit

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Where The Name UB40 Comes From

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Brian Travers of UB40 performs live on stage during Rewind Scotland 2018 at Scone Palace on July 22
Photo Credit: Lorne Thomson/Redferns
Photo Credit: Lorne Thomson/Redferns
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"TIL the band UB40 is named after Unemployment Benefit, Form 40—a form issued to people claiming unemployment benefits.

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"The name was suggested by a friend of the band because all the members were unemployed." —YourOwnBiggestFan / Reddit

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A Scary Revelation

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Boeing 787 Dreamliner United Airlines. Aircraft at Fiumicino International Airport.
Photo Credit: Massimo Insabato/Archivio Massimo Insabato/Mondadori Portfolio via Getty Images
Photo Credit: Massimo Insabato/Archivio Massimo Insabato/Mondadori Portfolio via Getty Images
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"TIL the Boeing 787 needs to be rebooted every 51 days to stop rounding errors causing it to crash." —exc_osrs / Reddit

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Does anyone else feel a bit more uneasy about air travel now?

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A Very Expensive Toilet

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This photo shows NASA's new space toilet, which cost 30 million USD to develop. The toilet is scheduled to undergo its first space-flight test this month 05 January 1993
Photo Credit: AFP via Getty Images
Photo Credit: AFP via Getty Images
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"TIL of the $23 million toilets designed by NASA for deep-space missions. With odor control being a serious issue, NASA pays certified sniffers to smell the toilets after they've been used to evaluate odor-control measures.

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"The lead engineer calls them the 'unsung heroes of the space program.'" —WhileFalseRepeat / Reddit

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The Invention Of Auto-Tune

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September 23: Fetty Wap performs on stage at o2 Forum Kentish Town on September 23, 2019
Photo Credit: Ollie Millington/Redferns
Photo Credit: Ollie Millington/Redferns
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"TIL Auto-Tune, introduced in 1997, which uses a proprietary device to measure and alter pitch in vocal and instrumental music recording and performances was named one of the 50 worst inventions by Time Magazine." —CiberSibey

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Time was pretty savage toward artists who rely heavily on the tech.

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Shark Smell

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Sicklefin lemon shark (Negaprion acutidens) evolves over a coral reef on January 21, 2021 in Moorea, French Polynesia
Photo Credit: Alexis Rosenfeld/Getty Images
Photo Credit: Alexis Rosenfeld/Getty Images
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"TIL that sharks smell in 'stereo,' that is, they can detect the tiny delays in the time it takes for a scent to reach one nostril compared to the other and use it to determine the direction the scent is coming from.

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"This helps them in tracking their prey." —Reddit

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What The French Gave Us

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Fireworks explode around the Eiffel Tower during the annual Bastille Day celebrations on July 14, 2020 in Paris, France. Bastille Day, or French National Day,
Photo Credit: Xavier Laine/Getty Images
Photo Credit: Xavier Laine/Getty Images
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"TIL that the French Revolution gave us the metric system and almost gave us metric clocks, too.

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"They had 10 hours in the day, 10 days in the week, and an even 30 days each month." —gedaliyah / Reddit

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The Mystery Moose

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moose with child walking through mountain range
Photo Credit: VW Pics/Universal Images Group via Getty Images
Photo Credit: VW Pics/Universal Images Group via Getty Images
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"TIL that for 70 years a bunch of New Zealanders have continued to fervently believe that moose still live on the South Island of NZ despite no actual sightings since 1952.

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The mystery has been compared to Bigfoot" — u/Ganesha811

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The Prarie Dogs Are Definitely Gossiping About You

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prairie dogs eating grass
Photo Credit: Philippe Clément/Arterra/Universal Images Group via Getty Images
Photo Credit: Philippe Clément/Arterra/Universal Images Group via Getty Images
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"TIL Prairie dog language is complex. They don't just have a call for "danger": their calls differentiate human, hawk, domesticated dog, coyote etc. and specify size & color.

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One study found that they can communicate “Here comes the short human in the yellow” (vs the tall human in blue) to each other" — u/lord_of_the_bees

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Dave Has To Set A Good Example

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wendy's store front
Photo Credit: Justin Sullivan/Getty Images
Photo Credit: Justin Sullivan/Getty Images
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"TIL Dave Thomas (the founder of Wendy's) was a high-school dropout.

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He was afraid his success would convince teens to drop out of school, so at age 60, he went back and got his GED." — u/howmuchbanana

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How Do You Ban A Horse?

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Icelandic horse standing on snowy plain
Photo Credit: Arterra/Universal Images Group via Getty Images
Photo Credit: Arterra/Universal Images Group via Getty Images
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"TIL that Icelandic horses are not allowed to leave the country. If they do, they are banned from returning.

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This is because Iceland is an island so they have limited diseases, and this is another measure to prevent it." — u/a_homosexual_carrot

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They Seem Like They'd Be Too Big To Float...

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elephant swimming
Photo Credit: Mark Kolbe/Getty Images
Photo Credit: Mark Kolbe/Getty Images
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"TIL that elephants are tremendous distance swimmers. They can swim for up to six hours and 25 miles (48km).

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They are so buoyant that if they tire in the water, they can just rest by floating and will not sink. They can also use their trunk as a snorkel and dive." u/itsmelen

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Danny The Multilingual

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Danny DeVito posing with lorax at film premiere
Photo Credit: Jon Furniss/WireImage via Getty Images
Photo Credit: Jon Furniss/WireImage via Getty Images
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"TIL Danny DeVito did the dub for his role as the titular character in The Lorax (2012) in Russian, German, Italian, Catalan, and Castilian Spanish, despite not speaking any of those languages — u/shoeswontwork

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It must have been difficult to get them all right.

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An Accidental Kidnapping

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Disney Pixar Fest monorail with incredibles detailing
Photo Credit: Jeff Gritchen/Orange County Register via Getty Images
Photo Credit: Jeff Gritchen/Orange County Register via Getty Images
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"TIL that Walt Disney accidentally "kidnapped" Richard Nixon by dispatching his monorail train before the Secret Service could get on.

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The agents ran after the train and attempted to jump onboard but the doors had already closed. Monorail pilot Bob Gurr was terrified; Nixon got a kick out of it." — u/WouldbeWanderer

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A Bronzed Scultpure With An Unknown Origin

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Bronze Dodecahedron
Photo Credit: DeAgostini/Getty Images
Photo Credit: DeAgostini/Getty Images
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"TIL people keep finding meticulously crafted hollow dodecahedrons throughout Europe dating back to the Roman Empire but historians have no idea what they're supposed to be used for as there's no historical record of them anywhere.

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Theories range from dice to knitting." — Reddit

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Your Teeth Only Feel One Thing

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child using magnifying glass to look in woman's mouth
Photo Credit: kamaji ogino / Pexels
Photo Credit: kamaji ogino / Pexels
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"TIL Teeth are only able to experience one sensation, that being pain.

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When you eat or drink something too hot or too cold, or a dentist operates on your teeth, you will only experience pain because that is the only thing the nerves around your teeth respond to." — u/Midnightghost_

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So Water Is Wet

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firefighter spraying hose from top of truck
Photo Credit: TREVOR COLLENS/AFP via Getty Images
Photo Credit: TREVOR COLLENS/AFP via Getty Images
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"TIL: Firefighters use wetting agents to make water wetter.

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The chemicals reduce the surface tension of plain water so it's easier to spread and soak into objects, which is why it’s known as 'wet water.'" — u/SirHermiOdle