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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 credit card resting on a leather walletInventions & Everyday ThingsEvery Credit Card in Your Wallet Is the Same Size, Down to a Fraction of a MillimeterIllustration of a desert town welcome sign under a bright blue New Mexico skyStrange Places & GeographyA New Mexico Town Gave Up Its Name for a Radio Show, and Never Looked BackIllustration of candles glowing warmly in a frosted window at nightEveryday Science & Curious CustomsChristmas Trees Once Glowed With Real Candles. Electric Lights Didn't Win Until 1930Illustration of several moths circling a glowing porch light on a summer nightAmazing AnimalsMoths Circle Your Porch Light All Night. The Leading Theory Involves the Moon
Illustration of a person sleeping peacefully in bed in soft moonlightThe Human BodyHalf of Young Kids Talk in Their Sleep. What's Happening in the Brain Is Even StrangerIllustration of 1920s women painting watch dials at long factory tablesHistory's OdditiesThey Painted Glowing Watch Dials for Pennies. Their Courage Changed U.S. Workplaces
Illustration of planets lined up with clocksSpace & the SkyOn One Planet, a Single Day Lasts Longer Than Its Entire YearIllustration of a steaming river winding through dense green Amazon jungleEarth, Nature & the OceanDeep in the Amazon, a River Runs Nearly Hot Enough to Boil. There's No Volcano Nearby
Illustration of a tall glass of chocolate milk on a kitchen tableFood & Kitchen SecretsA Famous Doctor Gets Credit for Inventing Chocolate Milk. The Real Story Starts ElsewhereIllustration of a vintage sunburst electric guitar leaning against an old tube amplifierInventions & Everyday ThingsThe First Electric Guitar Was Nicknamed the 'Frying Pan,' and It Changed Music ForeverIllustration of an ancient stone roadStrange Places & GeographyBuses Still Rumble Down a Road the Romans Started Building 2,300 Years AgoIllustration of a horse-drawn sleigh gliding through snow in a vintage winter sceneEveryday Science & Curious Customs“Jingle Bells” Never Mentions Christmas Once, and It Wasn't Written for the Holiday
Illustration of a beaver dam made of sticks and mud on a calm forest riverAmazing AnimalsA Beaver Family Built Dams in a Czech Forest. It Saved the Government a FortuneA heart with glowing electrical sparks traveling across itThe Human BodyYour Brain Doesn't Start Your Heartbeat. A Spot Smaller Than a Fingernail DoesIllustration of a vintage mailman carrying a bundleHistory's OdditiesIn 1914, a Five-Year-Old Rode the Mail Train With Stamps on Her CoatThe Voyager spacecraft with its large white dish antenna drifting through dark, starry spaceSpace & the SkyLaunched in 1977, This Spacecraft Is So Far Away Its Messages Take Almost a Day to Arrive
Illustration of an open oyster shell holding a single glowing white pearlEarth, Nature & the OceanEveryone Learned That Pearls Start With a Grain of Sand. That's Rarely How It HappensIllustration of a dark fruitcake wrapped in paper and tied with stringFood & Kitchen SecretsA Fruitcake Found in Antarctica Was 106 Years Old and Still Looked Almost EdibleIllustration of a classic clear ballpoint pen with a blue cap lying on a deskInventions & Everyday ThingsThat Tiny Hole in Your Pen Cap Isn't About the Ink. It Was Added to Protect LivesIllustration of the winding brick road of Lombard Street lined with flowersStrange Places & GeographySan Francisco's Famous Crooked Street Isn't the Only Contender for the Title
Illustration of an old wooden bucket sitting in a sunlit barnEveryday Science & Curious CustomsNobody Knows Exactly Why We Say Kick the Bucket. The Leading Theory Isn't About a PailIllustration of a herd of cows grazing in an open fieldAmazing AnimalsSatellite Images Hinted Cows Follow a Hidden Compass. Then Came a TwistIllustration of a person with a rosy red nose bundled up in a winter scarfThe Human BodyYour Nose Starts Dripping the Moment You Step Into the Cold. Blame Your Own BreathIllustration of musicians playing violins on the deck of a ship at nightHistory's OdditiesAs the Titanic Sank, Eight Musicians Kept Playing. Their Final Song Is Still a Mystery