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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.

A line of leafcutter ants carrying green leaf pieces across the forest floorAmazing AnimalsLeafcutter Ants Haul Leaves All Day. They Never Actually Eat ThemIllustration of an older couple enjoying morning coffee together at dawnThe Human BodyUp at Dawn After 60? Your Body Clock Has Been Shifting Your Whole LifeVintage-style illustration of a Victorian London street with horse carriages and a tall gas-lit signal postHistory's OdditiesLondon Installed the World's First Traffic Light in 1868. Weeks Later, It Blew UpIllustration of a vintage car driving along a road that stretches up toward a full MoonSpace & the SkyIf You Could Drive to the Moon at Highway Speed, Here's How Long the Trip Would Take
Illustration of a rock with a long trail behind it on a cracked dry lakebedEarth, Nature & the OceanRocks in Death Valley Slide Across the Desert on Their Own. Cameras Finally Caught ThemIllustration of marshmallows in a glass jarFood & Kitchen SecretsLong Before S'mores, Marshmallows Came From a Swamp Plant and Were Used for Sore Throats
Illustration of an ancient stone sundial casting a shadow in the sunInventions & Everyday ThingsWhy 24 Hours and Not 10 or 20? The Answer Goes Back to Stars Over the NileIllustration of a small fishing village in a steep-sided fjordStrange Places & GeographyThis Tiny Fishing Village Sits at the End of a Fjord. No Road Has Ever Reached It
Illustration of a soda bottle fizzing overEveryday Science & Curious CustomsA Shaken Soda Erupts for the Same Reason Mentos Make a Geyser. It's All About Tiny BubblesIllustration of a cat sitting on the edge of a sink, watching a dripping faucetAmazing AnimalsMost Cats Run From a Bath. A Few Breeds Will Happily Jump Right InIllustration of a sleeping newborn baby wrapped in a soft pastel blanketThe Human BodyYour Belly Button Is Actually a Scar, and It's One of a KindIllustration of a tall building in a snowy Alaskan townHistory's OdditiesAlmost an Entire Alaska Town Lives in One 14-Story Building. The Only Road In Is a Tunnel
Illustration of a towering wall of reddish dust sweeping across the Martian landscapeSpace & the SkyOn Mars, a Dust Storm Can Swallow the Entire Planet. The Thin Air Is Part of the ReasonA large tree with its root system shown spreading through the soil undergroundEarth, Nature & the OceanMost Tree Roots Stay Near the Surface. A Few Plunge Deeper Than a Skyscraper Is TallIllustration of an ice cream sundae dripping with hot fudge sauceFood & Kitchen SecretsSeveral American Towns Claim the Sundae. The Hot Fudge Story Is Just as TangledIllustration of a vintage plaid thermos bottle pouring hot coffee into its cup lid on a picnic tableInventions & Everyday ThingsThe Thermos in Your Lunch Pail Started Out as a Tool for Freezing Cold Lab Experiments
A narrow causeway road stretching across the sea as the tide washes over itStrange Places & GeographyTwice Every Day, the Sea Swallows This French Road. Drivers Have to Time It Just RightA cozy antique wooden bed with a handmade patchwork quilt in a quiet bedroomEveryday Science & Curious Customs"Sleep Tight" Might Come From Old Beds Made of Rope. Not Everyone Is ConvincedIllustration of a vintage homing pigeon with a small message tube attached to its legAmazing AnimalsA One-Legged Pigeon Became an American War Hero. Historians Still Debate His StoryIllustration of a colorful mosaic of round human cells under a microscopeThe Human BodyScientists Counted the Cells in a Human Body. Most of Them Turned Out to Be One Kind
Illustration of giant wooden beer vats bursting in an old London brewery, vintage styleHistory's OdditiesIn 1814, a Giant Vat Burst and a 15-Foot Wave of Beer Swept Through London StreetsIllustration of Halley's Comet with a glowing tail over an old town at nightSpace & the SkyEdmond Halley Predicted This Comet Would Return in 1758. He Didn't Live to See ItIllustration of raindrops falling on a dry garden path lined with plantsEarth, Nature & the OceanThat Wonderful Smell After Rain Has a Name, and It Comes From Somewhere UnexpectedIllustration of roasted coffee beans scattered beside a steaming cup of black coffeeFood & Kitchen SecretsFresh Coffee Smells Like Heaven, Then the First Sip Tastes Bitter. Your Nose Explains It