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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 planet Earth surrounded by a swarm of tiny satellites and debrisSpace & the SkyMillions of Bits of Junk Are Circling Earth. One of Them Is an Astronaut's Lost GloveIllustration of ancient, weathered rocks along a rugged coastlineEarth, Nature & the OceanSome of the Oldest Earth Rock Ever Found Was Picked Up on the MoonIllustration of a soft pretzel on a bakery shelfFood & Kitchen SecretsThe Pretzel's Famous Twist May Be a Pair of Folded Arms. The Legend Goes Back CenturiesIllustration of an ornate vintage vending machine with brass trim standing on an old train platformInventions & Everyday ThingsAmerica's First Vending Machine Sold Just One Thing, on New York Train Platforms
Illustration of a bright underground shopping corridor lined with storesStrange Places & GeographyMontreal Has a Second City Below the Streets. Half a Million People a Day Use It in WinterIllustration of a painted wooden spinning top twirling on its point on a wooden floorEveryday Science & Curious CustomsA Top Can Balance on a Tiny Point for Minutes. Gravity Is Pulling It Down the Whole Time
Illustration of a horse and a man with a chalkboard in a vintage-style courtyard sceneAmazing AnimalsA Horse Named Hans Could Answer Math Problems. One Psychologist Found His SecretA glowing human brain shown in warm light against a dark backgroundThe Human BodyYour Brain Weighs About 3 Pounds, Yet It Burns a Surprising Amount of Your Fuel
Illustration of a Viking warrior wearing a plain round iron helmetHistory's OdditiesEveryone Pictures Vikings in Horned Helmets. Archaeologists Tell a Different StoryIllustration of a faint glowing hourglass-shaped nebula in deep spaceSpace & the SkyThe Coldest Natural Place Known Is Colder Than Space. An Even Colder Spot Is on EarthIllustration of a bright turquoise lake surrounded by evergreen forest and snowy mountain peaksEarth, Nature & the OceanThose Unreal Turquoise Mountain Lakes Get Their Color From Ground-Up RockWorkers in waders harvesting a flooded cranberry bog covered with floating red berriesFood & Kitchen SecretsCranberries Don't Grow Underwater. So Why Are Their Fields Flooded at Harvest?
Illustration of an old tin can next to an antique can openerInventions & Everyday ThingsEarly Canned Food Came With Instructions to Use a Hammer and Chisel. No Opener ExistedIllustration of a giant ball of twine under an open-air gazebo in a small Kansas townStrange Places & GeographyA Kansas Town of 457 People Has Spent Decades Growing a Ball of Twine. It Weighs TonsIllustration of a family gathered around a birthday cake with lit candles, singingEveryday Science & Curious CustomsHappy Birthday Began as a Morning Song for Kentucky Kids. Then It Made MillionsIllustration of fireflies glowing over a summer meadow at twilightAmazing AnimalsFireflies Light Up Summer Nights, and Each Blink Carries a Secret Message
Illustration of the hands of an older woman holding a teacupThe Human BodyWrinkles Aren't Just About Birthdays. The Sun Plays a Surprisingly Big RoleIllustration of an old Paris boulevard in the style of an early daguerreotype photographHistory's OdditiesThe First Person Ever Photographed Had No Idea. He Was Just Standing Still Long EnoughA glowing orange sun setting over a calm lakeSpace & the SkyThe Sun Isn't Really Orange at Sunset. The Sky Is Filtering Out the Other ColorsIllustration of a small smoking volcanic island rising from a blue seaEarth, Nature & the OceanIn 1831, a New Island Rose From the Sea. Four Countries Fought Over It. Then It Vanished
Illustration of a grilled deli sandwich stacked with corned beef and melted cheeseFood & Kitchen SecretsTwo Cities Claim the Reuben Sandwich, and One Story Starts at a Late-Night Poker GameA vintage brass ear trumpet resting on a lace tablecloth beside an old photographInventions & Everyday ThingsLong Before Tiny Hearing Aids, People Held Giant Horns to Their Ears, Even BeethovenIllustration of a tiny desert town with a few old buildings beside an empty highway stretching toward distant mountainsStrange Places & GeographyA Magazine Called This Nevada Highway America's Loneliest. Locals Turned It Into a PrizeIllustration of a person humming while doing dishesEveryday Science & Curious CustomsNearly Everyone Gets Songs Stuck in Their Head. Researchers Found a Surprising Way Out