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
Real paella uses rabbit and snails
Rabbit and snails fit a traditional Valencian paella because they reflect what was available from the region’s fields. But paella isn’t one frozen recipe:…
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Customs classified a toy bear differently depending on its stuffing
A 1999 U.S. ruling distinguished a bear filled with textile stuffing from one filled with plastic pellets. The tariff classification changed even though both…
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Chaperoned walking buses exist for children
Adults walk a set route, collecting children at planned stops and accompanying them to school. The group gets supervision and company, while the morning…
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Learning a disease's symptoms can make every ache seem suspicious
Once you’ve studied a disease, its symptoms are easy to call to mind. A normal ache that might once have passed unnoticed can suddenly match something in the…
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Why one bad meal can ruin a whole food category
One awful meal can link a food’s smell or taste with feeling sick. Later, those sensory cues can bring back the body’s disgust before you have time to remind…
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Tree crowns actively avoid touching their immediate peers
The resulting gaps trace intricate, puzzle-piece borders against the sky.
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Old games hid unfinished distance behind fog
Drawing faraway scenery costs processing time, even when the details would be tiny. Fog let developers fade objects out before the limit of what a machine…
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Some controllers use speaker-like actuators to create touch
Instead of only spinning an off-center weight, they move an actuator back and forth with carefully shaped signals. Different vibration patterns can suggest a…
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Canadian moose lick salt off parked cars
In winter, plants may not provide moose with enough sodium, so road salt residue can attract them to parked cars. The animal licks the salt, not the vehicle…
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Dog whistles blast terribly high frequencies
A dog whistle can emit a tone above the human hearing range, which tops out at around 20 kilohertz, while remaining audible to dogs.
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These tiny bikes are built for adults
These bikes pair adult-sized frames with small wheels, shrinking the space they take up in a crowded city or hallway. The trade-off is that potholes feel…
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Systematic desensitization slowly unlearns utter panic
Someone afraid of elevators might first picture riding one, then stand near one, then take a short ride with support. Systematic desensitization pairs gradual…
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Why detergent caps hide the fill lines
When the fill marks are hard to see, it’s easy to pour a full cap instead of the smaller amount you need. That uses up detergent faster than necessary.
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Why truffle hunters switched from pigs to dogs
A pig’s nose can lead a hunter straight to a truffle—and then the pig may eat the evidence. Dogs can learn to point out the scent while leaving the buried…
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The tiny metal trick inside old thermostats
As the room warms, two bonded metals expand at different rates, bending a strip until it hits a switch and turns off the furnace.
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Upselling side dishes generates massive restaurant profits
The restaurant may make more on the side than the main event. A marked-up side dish can bring in more profit than an entrée that barely pays its share of…
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Fred's real talent is building elaborate traps
He’s the gang’s trap-builder, rigging elaborate snares from odds and ends such as fishing line and old nets.
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Astral projection treats your consciousness like a balloon
Astral projection is said to let consciousness leave the body and move through walls, though these abilities are claims rather than established effects.
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Composers often heavily reused their own musical themes
With deadlines pressing, Handel and Bach sometimes reused melodies from their own earlier works. A tune could get a second job instead of waiting for…
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Russia once legally treated beer as a soft drink
Until 2011, Russian law treated beer below 10% alcohol as a food product, not an alcoholic drink. That classification kept it outside some restrictions aimed…
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Distinct echoes demand at least a fraction of a second delay
An echo’s delay includes the trip out to the wall and the trip back to you. Since sound travels about 343 meters a second, a wall roughly 17 meters away gives…
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The world’s oldest operating university is over 1,000 years old
Founded in 859 in Morocco, al-Qarawiyyin has operated continuously for more than 1,000 years.
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Premonitions ruin surprises before they even happen
That unexplained feeling can leave you anxiously waiting for the event you think is coming.
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First modern athletic champion was a triple jumper
James Connolly left college to compete in Athens and won the triple jump, becoming the first champion of the modern Olympics in 1896.
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