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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 starfish on a tide pool rockAmazing AnimalsA Starfish Can Drop Its Own Arm on Purpose. The Regrowth Is Even StrangerIllustration of a finger wrapped in a small bandageThe Human BodyA Paper Cut Barely Bleeds but Hurts Like Crazy. Then Your Body Gets to WorkIllustration of a misty Icelandic harbor with old ships at dawnHistory's OdditiesBritain Invaded a Neutral Country in 1940. The Local Police Helped Manage the CrowdIllustration of a deep red moon during a total lunar eclipse rising over a dark pine forestSpace & the SkyDuring a Blood Moon, You're Seeing Every Sunrise and Sunset on Earth at Once
Illustration of a close-up of a sunflower centerEarth, Nature & the OceanThat Big Sunflower in Your Garden Isn't Really One Flower at AllIllustration of a frosted layer birthday cake with lit candles glowing on a kitchen tableFood & Kitchen SecretsIn 1746, a German Count Had a Birthday Cake as Big as an Oven. It Started Something
Illustration of a vintage parking meter with a round glass dial standing beside a 1930s street curbInventions & Everyday ThingsThe World's First Parking Meter Went Up in 1935. Not in New York, but in OklahomaIllustration of a quiet Arctic archipelago with colorful houses beneath snowy mountainsStrange Places & GeographyPeople Say There's an Arctic Town Where You're Not Allowed to Die. The Truth Is Stranger
Illustration of an old brass naval telescope resting on a ship's wooden railingEveryday Science & Curious CustomsA One-Eyed Admiral Raised His Telescope to His Blind Eye, and an Expression Took OffIllustration of honey bees crawling over a close-up of golden honeycombAmazing AnimalsBees Build Six-Sided Cells With No Ruler. Mathematicians Needed 2,000 Years to Catch UpA man on a sunny front porch puckering his lips as he tries to whistleThe Human BodySome People Whistle Without Thinking. Others Just Blow Air. Here's What's Going OnIllustration of an ancient stone temple with a bronze coin-operated water dispenserHistory's OdditiesThe Earliest Known Vending Machine Is Nearly 2,000 Years Old, and It Didn't Sell Snacks
Illustration of meteors streaking across a starry sky above a mountain campsiteSpace & the SkyThe Perseids Show Up Every August Right on Schedule. The Reason Is a Comet's Old TrailIllustration of mushrooms growing among moss on a damp forest floor after rainEarth, Nature & the OceanMushrooms Seem to Appear Overnight After Rain. They've Been Getting Ready for DaysIllustration of a vintage refrigerator in a 1950s kitchenFood & Kitchen SecretsIce Cream Was Once a Treat You Had to Travel For. Then the Fridge Came HomeIllustration of an old electrical outlet on a wallInventions & Everyday ThingsMany of Us Call the Wall Outlet a Plug. Technically It's Something Else Entirely
Illustration of crowds of pedestrians crossing a busy Tokyo intersectionStrange Places & GeographyUp to 3,000 People Cross This Tokyo Intersection at Once. The Idea Began in North AmericaIllustration of a hound dog barking up at a tall tree at dusk in the woodsEveryday Science & Curious Customs"Barking Up the Wrong Tree" Comes From Night Hunts in the Woods of Early AmericaIllustration of a sled dog team running through deep snow in AlaskaAmazing AnimalsBalto Got the Statue in Central Park. Another Sled Dog Ran Nearly Five Times as FarIllustration of a person sniffing a carton of milk in front of an open fridgeThe Human BodyThat Quick Sniff of the Milk Carton Is One of Your Body's Oldest Alarm Systems
Illustration of a pirate wearing an eye patch on the deck of a wooden shipHistory's OdditiesThat Famous 'Real Reason' Pirates Wore Eye Patches Has One Big ProblemIllustration of astronauts in spacesuits working on a large telescope in orbit above EarthSpace & the SkyHubble Launched With a Flaw Thinner Than a Hair. Astronauts Fixed It in OrbitIllustration of an underwater kelp forest with tall golden-green kelp and sunlight filtering down through the waterEarth, Nature & the OceanThere Are Forests Under the Sea, and Their Giant 'Trees' Can Grow 2 Feet a DayNeat stacks of white sugar cubes arranged on an antique silver trayFood & Kitchen SecretsThe Sugar in Your Pantry Was Once a Luxury So Valuable It Reshaped the World