Start your day with a challenge

The Presidents They Skipped in School A 31-day presidency, a licensed bartender, and two rivals who died on the same July 4th. Aug 10, 2026 The Planet's Deep End The mountain range you've never seen, floating swimmers, and 8 tons per square inch. Aug 9, 2026 Great Ideas That Started as Accidents Melted chocolate, failed glue, and the can that beat its opener by half a century. Aug 8, 2026 When Stop Signs Were Yellow A paint made from actual mummies, the 1939 birth of school-bus yellow, and what your dog really sees. Aug 8, 2026 For People Who Always Get the Last Word Pangrams, tittles, and the one letter missing from every state name. Aug 7, 2026 The Longest Ride, the Fastest Rails, and Who Invented Noon A week-long train journey, a 357 mph speed record, and the day American towns threw out their own clocks. Aug 7, 2026 The September That Lost 11 Days Babylonian math hiding in your wristwatch, a vanished week and a half, and the seconds scientists sneak into the clock. Aug 6, 2026 Beyond the Greatest Hits A band called The Quarrymen, an 88-key answer, and the album nobody has outsold. Aug 6, 2026 Short Hops, Fast Jets, and Boxes That Aren't Black A first flight shorter than a jumbo jet's wingspan, the airliner that stretched in flight, and why windows lost their corners. Aug 5, 2026 The Barber Will See You Now Bloodletting barbers, the wedding ring in the first X-ray, and the eight-year-old behind the first vaccine. Aug 4, 2026 5,000 Years of Rolling Dice The game buried with a pharaoh, the reason Q is worth ten points, and a board with more positions than atoms. Aug 3, 2026 The Strange Origins of Your Days Off Why Halloween lands on the 31st, what Boxing Day actually boxed, and the groundhog's real batting average. Aug 2, 2026 Great Finales, Live Fiascos, and One Untimely Heidi The finale most of America watched together, a commercial that cost nine dollars, and the theme song written by a teenager. Aug 1, 2026 The Olympics Once Gave Gold Medals for Poetry A tug-of-war podium swept by police, a ten-year-old medalist, and the founder's secret pen name. Jul 31, 2026 Gladiators, Concrete, and Very Expensive Purple What gladiators actually ate, a 1,900-year-old dome nobody has topped, and the sea snail behind history's priciest color. Jul 30, 2026 Stone Coins and Trillion-Dollar Notes Currency the size of a car, the real reason quarters have ridges, and the country where prices doubled every 15 hours. Jul 29, 2026 A Field Guide for Storm Watchers A bolt five times hotter than the sun's surface, an eight-inch hailstone, and the park ranger lightning found seven times. Jul 28, 2026 Classics From the Rejection Pile A classic rescued from a trash can, a novel missing the letter E, and the pen name born on a riverboat. Jul 27, 2026 The Real Rules of the Golden Age of Piracy Shipboard workers' comp, the truth about walking the plank, and the 1950 movie that invented the pirate accent. Jul 26, 2026 Heists, Flops, and Hidden Faces The theft that made the Mona Lisa famous, the lone sale of Van Gogh's lifetime, and the strangers hiding under masterpieces. Jul 25, 2026 Everything the Movies Got Wrong About Dinosaurs A turkey-sized 'raptor,' the giant that lived closer to you than to Stegosaurus, and the vision myth one famous film taught a generation. Jul 24, 2026 Small Bodies, Absurd Numbers A dance that gives directions, a 17-year alarm clock, and the deadliest animal on Earth (it fits on your thumbnail). Jul 23, 2026 Gods, Monsters, and One Eight-Legged Horse The eye Odin traded away, the famous box that was never a box, and the surprising parent of Odin's favorite steed. Jul 22, 2026 Bird Trivia That Never Stays Grounded A pole-to-pole frequent flyer, a bird that does power-tool impressions, and an egg that's a fifth of its mother. Jul 21, 2026 Questions That Would Make a Pharaoh Sweat A 70-day recipe for eternity, the truth about who really built the pyramids, and the one organ embalmers refused to take. Jul 20, 2026 Space Trivia That Stumps Almost Everyone From sideways planets to the smell of the Moon — how many can you get before peeking? Jul 16, 2026 How Well Do You Know the Map? Capitals, borders, and one country that manages to sit in all four hemispheres. Jul 13, 2026 History Trivia for People Who Like to Argue A 38-minute war, a double Nobel laureate, and the pyramids' surprising neighbors in time. Jul 10, 2026 The Weird End of Nature Three-hearted octopuses, immortal jellyfish, and the fingerprint you share with a koala. Jul 7, 2026