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
Can low-frequency sound put out a fire
A flame needs a steady supply of air to keep burning. Strong low-frequency sound can jostle that airflow enough to break the flame’s connection to its…
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Skipping wastes energy by launching humans upward
A skip repeatedly raises your center of mass, and your muscles pay for every lift before you land. You get extra airtime, but gravity charges by the hop.
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Jimmy Carter once reported seeing a UFO
In 1969, while waiting outside a Lions Club meeting in Georgia, Carter saw a bright light that changed colors. He later filed a formal report about the…
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Why Surströmming cans are opened underwater
Fermentation makes gas inside the sealed can, and that gas can build pressure. Open it underwater and the brine spills into the water instead of spraying…
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Why your printer rejects some banknotes
Some bills carry a tiny ring pattern that a printer can recognize as a banknote. Spot the EURion constellation, and the imaging software can block copying or…
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Negative externalities push costs onto bystanders
The neighbor gets the music; everyone awake at 3 a.m. gets the lost sleep. That cost lands on people who never chose the song.
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Medieval Parliament needed a rule against arriving armed
A 1313 statute addressed carrying armor and weapons into Parliament amid conflict between the crown and powerful nobles. Political debate came with the risk…
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Positive economics relies entirely on objective facts
A claim that a price increase caused sales to fall is a question positive economics can test. Whether the result is good or bad is a separate judgment.
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Big pageant hair has hidden support under the smooth surface
Stylists build volume with rollers and teasing near the roots, then smooth the outside and use hairspray to hold it. The polished curls conceal a more…
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Blackbeard's terrifying image came with smoke effects
A famous 1724 account describes the pirate wearing lighted slow-burning matches under his hat during battle. Smoke around his face helped create a frightening…
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A missing sidewalk can strand RollerCoaster Tycoon guests
Guests navigate using the park's path network. Delete the connection beneath a busy area and people can end up lost or unable to reach an exit. The park may…
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Grocery checkout belts automatically stop for food
A sensor near the checkout end spots an item reaching the scanner and stops the belt. That keeps groceries from piling into the cashier’s space; the conveyor…
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The tortoises that went around the Moon
In 1968, Zond 5 looped around the Moon and returned to Earth carrying tortoises, wine flies, and mealworms. The animals were part of a test of whether living…
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How a burger can spark a pregnancy rumor
Even ordinary post-meal bloating can fuel tabloid pregnancy rumors about actresses.
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Unclear system states prevent accurate evaluation
A system that gives no clear status leaves people guessing about what their actions did. Was the request accepted? Is it still running? Without those cues, a…
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Stream sniping ruins competitive digital matches
Opponents can watch a player's live broadcast on another screen to learn their location and strategy, turning the stream into an unfair advantage.
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Searching only illuminated areas ignores actual locations
Imagine looking for dropped keys under a streetlamp because that’s where you can see. The strategy feels sensible—the search is easier there—but it quietly…
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The pie with fish heads poking through
In stargazy pie, sardine heads poke through the crust so their oils can drip back into the filling as it bakes. The odd-looking arrangement adds flavor, not…
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Why cactus leaves turned into spines
A cactus saves water by shrinking its leaves into spines. Broad leaves expose lots of surface to dry air, where water can escape; spines expose far less,…
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The racing game that smelled like a pit stop
Some copies of Sony’s racing simulator came with a scratch-and-sniff label that released the sharp smell of a real pit stop.
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Why giant lily pads can hold so much weight
A giant lily pad spreads weight across a network of ribs beneath its broad, thin leaf, much like beams supporting a roof. Air spaces help it float at the…
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Why nobody locks doors in fictional towns
Writers leave doors unlocked so enemies can walk into living rooms and deliver their menacing monologues.
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Aerosmith’s game earned more revenue than any of its albums
Activision said Guitar Hero: Aerosmith generated more revenue than any individual Aerosmith album. The songs became something people could perform on a…
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Investigators stare intensely at corkboards to solve cases
The red-yarn corkboard is a familiar crime-story device: detectives pin clues together in hopes of spotting a connection.
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