Browse ›

Curious Facts

1007 surprising, true stories about animals, history, space, food and the everyday things around us. Each one checked against trusted sources.

Illustration of a soft blue sunset glowing over a rocky red Martian landscapeSpace & the SkyOn the Red Planet, the Sky Plays a Trick at Sunset. It's the Opposite of What We SeeIllustration of an ancient, gnarled bristlecone pine on a rocky mountainsideEarth, Nature & the OceanThis Gnarled Pine Sprouted Before the Great Pyramid. Officials Won't Say Where It StandsIllustration of a loaf of bread on a wooden cutting boardFood & Kitchen SecretsStale Bread Isn't Just Dried Out. And the Fridge Makes It Worse, Not BetterIllustration of a Victorian woman in a long skirt riding a bicycle down a country laneInventions & Everyday ThingsSusan B. Anthony Said This Invention Did More for Women Than Anything Else in the World
Illustration of a horse-drawn carriage on a quiet street on Mackinac IslandStrange Places & GeographyThis Michigan Island Banned Cars Over 125 Years Ago, and the Reason Was the HorsesIllustration of two pots of water sitting side by side in fresh snowEveryday Science & Curious CustomsA Teenager Said Hot Water Freezes Faster Than Cold. Scientists Are Still Arguing About It
Illustration of a golden retriever tilting its head to one side in a cozy living roomAmazing AnimalsYour Dog Tilts Its Head When You Talk. Scientists Have a Few Good Guesses WhyA person holding their stomach while sitting near a lunch tableThe Human BodyThat Embarrassing Growl in a Quiet Room Isn't Really Your Stomach Complaining
Illustration of houses being moved on trucks through a snowy townHistory's OdditiesAn Entire Town in Sweden Is Packing Up and Moving. What's Under It Explains WhyIllustration of a bathroom scale floating in space among the planetsSpace & the SkyStep on a Scale on Jupiter and the Number Jumps. On Pluto, It Nearly DisappearsIllustration of a bolt of lightning striking the top of a tall city building during a nighttime stormEarth, Nature & the OceanOne Famous New York Skyscraper Gets Hit by Lightning About 23 Times Every YearA classic roast beef sandwich on a plate on a wooden table in an old English tavernFood & Kitchen SecretsThe Sandwich Is Named After a Real Man, and the Story Behind It Is Still Debated
Illustration of a classic three-color traffic light glowing red at a quiet small-town intersectionInventions & Everyday ThingsRed, Yellow, Green: The Colors on Every Corner Were Borrowed From the RailroadIllustration of a small town sign standing beside an empty prairie roadStrange Places & GeographyThis Nebraska Town Has One Resident. She Runs the Bar, the Library, and City HallIllustration of a gold wedding band on the fourth finger of a left handEveryday Science & Curious CustomsWedding Rings Go on the Fourth Finger Because of a Vein That Doesn't ExistIllustration of a tiny translucent jellyfish glowing in dark blue waterAmazing AnimalsThis Tiny Jellyfish Can Grow Old, Then Start Its Life All Over Again
Illustration of a person sleeping peacefully with dreamy clouds floating aboveThe Human BodyYou Spend Over Two Hours a Night Dreaming, and Science Still Can't Agree WhyIllustration of the Leaning Tower of Pisa under a clear blue skyHistory's OdditiesThe Leaning Tower of Pisa Started Tipping Before It Was Finished. Here's What Went WrongAn astronaut floating quietly beside a space station above EarthSpace & the SkySpace Is Silent to Human Ears. Yet Astronomers Found a Note Deep in a Galaxy ClusterIllustration of water from a cliff-top waterfall being blown upward into a cloud of sprayEarth, Nature & the OceanThis English Waterfall Sometimes Seems to Run Uphill. Gravity Isn't Broken, Though
Illustration of a vintage glass ketchup bottle on a classic diner counterFood & Kitchen SecretsThe First Ketchups Had No Tomatoes. They Were Made With Mushrooms, Oysters, and WalnutsIllustration of prickly burrs stuck to a dog's furInventions & Everyday ThingsA Swiss Engineer Came Home From a Hunting Trip With a Burr-Covered Dog. He Got CuriousIllustration of a quiet small-town street with houses on both sides and a painted yellow center lineStrange Places & GeographyOn This Quiet Street, Neighbors Across the Road Live in a Different CountryIllustration of a vintage theater stage with heavy red curtains and footlightsEveryday Science & Curious CustomsActors Wish Each Other a Broken Leg Before the Show. Nobody Is Quite Sure Why