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
When loved ones look like impostors
In Capgras syndrome, someone believes a familiar person has been replaced by an impostor. One explanation is a mismatch between recognizing a face and feeling…
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Playing pedal steel guitar takes all four limbs
It is less like playing music and more like operating a complex piece of heavy machinery. The musician uses both hands to pick and slide, while their feet and…
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Cows collectively lying down predicts rainstorms
Folklore says cows dislike wet grass and lie down on dry ground before a downpour, though their resting is not a reliable weather forecast.
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The museum you visit is only a slice of the collection
The Smithsonian's National Museum of American History holds more than 1.7 million objects, but displays only a small percentage at once. Fragile paper and…
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Train couplers lock entirely automatically
When two cars meet, spring-loaded metal knuckles swing open, pass each other, then snap shut. The couplers do the handshake automatically; a train crew gets…
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Clipping paths isolate objects from backgrounds
Designers draw outlines around subjects so digital tools can tell what to keep and what to cut out.
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Breaking mirrors shatters a fraction of vitality
The superstition held that breaking a mirror damaged the reflection of your vitality, which then took seven years to recover.
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Popcorn was once popped in hot sand
Before microwaves, some people popped dried kernels in hot sand, then sifted the fluffy popcorn out of the grit.
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Turning clothing inside out breaks trickery
Some folk traditions held that turning clothes inside out could break the enchantments of woodland tricksters and help a lost person find the way.
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An eighteenth-century bidet could be a piece of wooden furniture
An example in the Science Museum's collection has a mahogany body rather than the appearance of a modern bathroom fixture. Early freestanding bidets brought a…
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Renaming boats requires strict de-naming rituals
Sailors believed a de-naming ceremony cleared the old name from the ocean’s ledgers; skip it, and maritime guardians might punish the ship.
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Double-deck elevators serve two floors at once
Two elevator cars sit one above the other and stop at neighboring floors on the same trip. One shaft serves twice as many levels per run, though riders still…
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Pure luck decides which human genes survive over centuries
Each generation gets only a sample of the gene copies carried by the previous one. By chance, some versions make it into more descendants and others into…
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Cryonics sells storage for a rescue medicine cannot yet perform
Organizations preserve bodies or brains at extremely low temperatures in the hope that future technology can restore them. The present bill pays for…
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Why opening an umbrella indoors is bad luck in Britain
In some British pubs, opening an umbrella indoors can still draw a reaction as if you'd cursed someone's firstborn.
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Stepping on spiders guarantees sudden downpours
In English folklore, crushing a spider was said to anger the forces governing the weather and bring on a torrential rainstorm.
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Diffraction makes tiny apertures lose sharpness
Light passing through a tiny hole diffracts, spreading and interfering with itself; beyond a point, making the aperture smaller softens the image instead of…
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Macaroni referred strictly to any generic pasta shape
The word once covered a whole family of extruded pastas, not just the elbow noodles Americans now call macaroni. The label used to describe a kind of pasta,…
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Stacking pennies in towers magically scatters them
The superstition held that neatly stacking loose change offended the chaotic forces of commerce, which would then scatter your savings.
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The hidden rules that keep fonts readable on screens
Font hinting uses tiny instructions to adjust letter shapes to a screen's pixel grid, keeping an 'H' from blurring into a smudge on low-resolution displays.
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Olympic events included professional racewalking
Racewalking makes speed a test of strict form: one foot must stay on the ground, and the supporting leg must remain straight. The fastest walker still has to…
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Why an upside-down baguette was bad luck in France
Folklore held that bakers set aside an upside-down loaf for the executioner, so turning bread over on your table was considered bad luck.
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Papers, Please makes paperwork the thing standing between people
As a border inspector, you compare documents against changing entry rules while applicants plead their cases. Approving someone can help a person in front of…
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Photo mode can ruin a game's most dramatic moment
A goofy pose beside a burning vehicle can puncture the tension of a serious scene—especially when photo mode freezes the action after a shootout.
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