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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 vintage pack of chewing gum with a few sticks sliding outInventions & Everyday ThingsPeople Were Chewing Gum 5,000 Years Ago. Archaeologists Even Found Their Tooth MarksIllustration of glittering white road lines reflecting car headlights on a dark highwayStrange Places & GeographyThose Road Lines Glitter in Your Headlights for a Reason. They're Full of Tiny Glass BeadsIllustration of a soft white feather hovering near the sole of a bare footEveryday Science & Curious CustomsSome People Shriek at the Lightest Tickle While Others Barely Flinch. Science Is PuzzledA tiny, plump, eight-legged water bear crawling across green moss under soft lightAmazing AnimalsThis Eight-Legged Animal Is Barely Visible to the Eye, Yet It Survived a Trip to Space
Illustration of a person with rosy cheeks walking through a snowy park on a crisp winter dayThe Human BodyYour Eyes Stream on Cold, Windy Days. The Strange Part Is That They're Drying OutIllustration of a Pony Express rider galloping across an open prairie under a big skyHistory's OdditiesThe Pony Express Became a Legend of the Old West. It Barely Lasted a Year and a Half
Illustration of Earth rotating in space with a clear line between day and nightSpace & the SkyYou're Moving Hundreds of Miles an Hour Right Now, and Your Address Decides How FastIllustration of a swimmer among golden jellyfishEarth, Nature & the OceanSwimmers Glide Among Millions of Golden Jellyfish in This Lake. Here's the Catch
Illustration of a Caesar salad of romaine and croutons being tossed tableside in a vintage restaurantFood & Kitchen SecretsThe Caesar Salad Has Nothing to Do With Rome. It Was Born on a Busy Fourth of JulyA glowing carved jack-o'-lantern sitting on a porch at duskInventions & Everyday ThingsLong Before Pumpkins, People Carved Spooky Faces Into TurnipsIllustration of an aerial view of many blue lakes scattered among green Minnesota forestsStrange Places & GeographyMinnesota Calls Itself the Land of 10,000 Lakes. The Real Number Is Even BiggerIllustration of a vintage black mourning dressEveryday Science & Curious CustomsWearing Black to Funerals Goes Back to Ancient Rome. Yet Medieval Queens Mourned in White
Illustration of a chain of ants forming a bridge between two leavesAmazing AnimalsWhen Some Ants Hit a Gap, They Don't Go Around. They Become the RoadIllustration of a branching network of red blood vessels flowing like riversThe Human BodyYour Blood Vessels Supposedly Wrap Around Earth Twice. The Newer Estimate Is SmallerIllustration of colorful auroras glowing over a telegraph line in the 1850sHistory's OdditiesIn 1859 the Night Sky Glowed So Bright That Only the Brightest Stars Showed ThroughIllustration of two stars, one large and bright and one small, orbiting each other in spaceSpace & the SkyThe Brightest Star in the Night Sky Has a Hidden Partner Your Eyes Can't See
Illustration of a green Irish hillside under a soft cloudy skyEarth, Nature & the OceanLegend Says St. Patrick Drove the Snakes Out of Ireland. The Real Reason Is OlderIllustration of a pantry shelf neatly stocked with rows of canned goodsFood & Kitchen SecretsCans From an 1865 Shipwreck Were Opened 109 Years Later. Testers Were SurprisedIllustration of an old-fashioned brass alarm clock with twin bells on a nightstandInventions & Everyday ThingsAmerica's First Alarm Clock Had One Setting, and It Wasn't Exactly Sleeping InHouses and doorways carved into a rocky hillside, stacked up the slope of a ravineStrange Places & GeographyPeople Have Lived in These Hillside Caves Since the Stone Age. Today Some Are Hotels
A brown coffee ring stain with a dark edge on a sheet of white paperEveryday Science & Curious CustomsThat Dark Ring a Coffee Spill Leaves Behind Has a Name. Physicists Take It SeriouslyIllustration of a bright red cardinal perched on a snowy bird feederAmazing AnimalsMost Songbirds Leave When Winter Comes. The Cardinal Has a Different PlanIllustration of a human abdomen in vintage anatomy styleThe Human BodyFor Years the Appendix Was Called Useless. Scientists Are Rethinking ThatAn empty cracked road with smoke rising from the ground in a quiet Pennsylvania townHistory's OdditiesA Small-Town Trash Fire in 1962 Never Went Out. It's Still Burning Under Centralia