The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Silly Putty behaves differently depending on how impatient you are
A quick impact makes it respond elastically, so it bounces. Give it time under a steady load and it slowly flows into a new shape. Those behaviors share the…
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Galileo gave lectures about the dimensions of Dante's hell
He defended a geometric reconstruction of the Inferno in lectures at Florence's academy in 1587–88. Scholars used clues in the poem to debate the underworld's…
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Holy leagues were just temporary alliances to fight Ottomans
The Ottoman threat gave rival rulers a reason to unite, even when they had little else in common. Holy leagues were temporary by design: once the shared enemy…
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Blast-resistant vehicles use their shape as part of the armor
A V-shaped underside helps deflect an explosion away from the passenger compartment instead of presenting a flat surface directly above it. MRAP vehicles…
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The museums preserving technology everyone forgot
The shelves preserve once-familiar formats such as Zip disks, Betamax tapes, and MiniDiscs—reminders of how quickly technology can become obsolete.
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Why a hangover feels like the flu
Alcohol can prompt the immune system to release cytokines, chemical messengers that also help produce symptoms during illness. Those signals can leave you…
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Moving cities alters your chart
Astrologers say a move changes your chart's angles, though the result may simply be a different set of problems.
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Why backstage passes change color so often
Changing pass colors daily—or even hourly—helps organizers spot expired or counterfeit badges at a glance.
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Tape dispensers feature a serrated edge to break tension
The serrated teeth puncture the tape at several points, giving you a clean tear instead of a stretched, stringy strip.
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Driving through the Rockies absolutely destroys brakes
On an 8% grade, riding the brakes can overheat them. Downshifting helps control speed without keeping constant pressure on the brake pedal.
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Trim tabs act as tiny underwater leveling wedges
A trim tab angles into the water at the boat’s stern, and the water pushes back, lifting that corner. Adjust the tabs and the hull levels out instead of…
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Continuity teams track massive soap opera histories
Continuity staff track decades of plot twists so a character doesn’t accidentally marry someone later revealed to be their secret evil twin.
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Some mystics grow excessive body hair for warmth
Legends say some unclothed ascetics grew thick body hair to endure frigid wilderness winters.
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A Detroit mailboat delivers to ships that keep moving
The J.W. Westcott service brings mail and supplies alongside passing vessels on the Detroit River. Crews transfer the delivery while the larger ship continues…
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Planting carrots based on an old paper book
Some farmers follow its recommended planting dates so closely that they won't sow their carrot seeds until the yearly almanac gives them the go-ahead.
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Why a treadmill can use more power than a fridge
A treadmill’s motor has to keep pulling the belt beneath your feet, overcoming friction as you run. That can make it draw more power than a refrigerator.
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Why an armadillo can send a bullet back
The plates under an armadillo’s skin are bone, and their shape can sometimes deflect a bullet at a particular angle. But a ricochet is a chance outcome, not a…
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A Romanian salt mine has an underground amusement park
Salina Turda places attractions inside huge chambers left by salt extraction, including a Ferris wheel and boats on an underground lake. The striking space is…
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Printing the wrong presidential winner
The Chicago Tribune printed a headline naming the wrong presidential winner. The error became iconic when the actual winner held up the paper for a victory…
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A hamster carries groceries in its face
Cheek pouches let a hamster gather food and carry it to a store rather than eat everything where it finds it. That separates the risky work of collecting from…
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Wedding veils weren't always reserved for the bride
In the 1830s, bridesmaids and even guests could also wear veils. Matching dress helped frame the bride as part of a group, while later fashion sharpened the…
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Nielsen ratings relied on manual paper diaries for decades
Viewers received paper logs in the mail and wrote down what they watched, making the ratings depend on self-reported habits.
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Airlines once screened movies with real film reels
Airplanes used 16-millimeter film projectors, with reels that had to be loaded and changed during the flight. The projector threw the picture onto a screen at…
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Captains hold ultimate authority while mid-flight
A captain’s authority keeps decisions on board from turning into a committee meeting at 35,000 feet. The crew shares the work; the captain carries the final…
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