Browse ›

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 the planet Venus wrapped in thick swirling yellow cloudsSpace & the SkyMercury Is Closest to the Sun, but Venus Is Hotter. Its Thick Air Holds the SecretIllustration of a desert landscape covered in colorful wildflowersEarth, Nature & the OceanSome Years, One of the Driest Places on Earth Turns Into a Sea of FlowersIllustration of a peanut butter and jelly sandwich on a plateFood & Kitchen SecretsThe PB&J Started Out as a Fancy Tea Sandwich for Wealthy Americans. Then Things ChangedAn antique metal safety razor lying beside a shaving brush on a marble sinkInventions & Everyday ThingsA Bottle Cap Inventor Gave King Gillette One Piece of Advice. It Changed How Men Shave
Illustration of wooden houses on stilts above calm water with small boatsStrange Places & GeographyTen Thousand People Live Above a River in Brunei. Their Water Village Is Centuries OldIllustration of a pile of shiny silver dimes scattered on a wooden tableEveryday Science & Curious CustomsCalling Something a Dime a Dozen Sounds Simple. Both Words Hide Centuries of History
Illustration of a huge blue whale swimming in the ocean next to a tiny scuba diverAmazing AnimalsThe Biggest Dinosaurs Weighed Up to 80 Tons. A Living Animal Beats Them EasilyIllustration of a person wrapped in a blanket holding a cup of teaThe Human BodyYour Temperature Is Climbing, Yet You're Shivering Under Blankets. Here's the Logic
Illustration of the Liberty Bell glowing in soft museum lightHistory's OdditiesThe Liberty Bell's Famous Crack Has a Backstory. Much of What We Were Told Is ShakyIllustration of an astronaut holding a tablet while floating inside a space stationSpace & the SkyAstronauts Can Cast Ballots From Orbit. It Took a Texas Law to Make It PossibleIllustration of tiny baby sea turtles crawling across moonlit sand toward the ocean wavesEarth, Nature & the OceanSea Turtles Swim Thousands of Miles, Then Find Their Way Back to Where They HatchedA glass jar packed with green dill pickles, garlic, and sprigs of dillFood & Kitchen SecretsPickles Get Their Green From the Cucumber. In the 1800s, Some Got It From Something Toxic
Illustration of a classic rural mailbox on a post with its red flag raisedInventions & Everyday ThingsThat Little Red Flag on Your Mailbox Once Worked for the Mail Carrier TooIllustration of an old-fashioned map of the Hawaiian Islands with a compass roseStrange Places & GeographyMany States Have Ruler-Straight Edges. One State's Borders Are Nothing but ShorelineIllustration of a church bell tower at middayEveryday Science & Curious CustomsThe Noon Church Bell Started as an Emergency Call During a Battle in 1456Illustration of a bloodhound sniffing along a forest trailAmazing AnimalsA Dog's Nose Can Pick Up a Trail Days Old. The Secret Is Hidden Inside the Snout
Illustration of a close-up of an eye in dim lightThe Human BodyYour Pupils Grow in the Dark. They Also Grow When You Think Hard or Feel InterestedIllustration of a woman running in a 1960s road race as spectators watchHistory's OdditiesWomen Ran Marathons Long Before 1972. They Just Weren't Allowed to Do It OfficiallyA silver ballpoint pen floating weightlessly inside a spacecraft cabinSpace & the SkyThe Story Says NASA Spent Millions on a Pen While Russia Used a Pencil. It's Not TrueIllustration of overlapping layers of green leaves in a sunlit forestEarth, Nature & the OceanEvery Leaf in the Forest Is Green, Yet No Two Look Quite Alike. Here's Why
Illustration of a stacked club sandwich cut into triangles held with toothpicksFood & Kitchen SecretsThe Club Sandwich Got Its Name From an Exclusive Place Most of Us Could Never EnterIllustration of a yellow rubber duck in a bathtubInventions & Everyday ThingsThe First Rubber Ducks Couldn't Even Float. It Took Decades to Make Them Bath ToysIllustration of a small cottage with walls made of layered newspaper pages tucked among treesStrange Places & GeographyA Massachusetts Man Built His Walls From Newspaper in 1922. They're Still StandingA cozy bedroom at night with an open window, a light breeze moving the curtainsEveryday Science & Curious CustomsYour Body Cools Itself Down Every Night. A Warm Bedroom Can Get in the Way