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
Half-Life began with Quake's engine
Valve licensed Quake's engine, then heavily reworked it and added its own physics and AI systems to create GoldSrc, the engine behind Half-Life.
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Tekken’s bear is literally named Bear
Kuma means “bear” in Japanese, a bluntly literal name for the grizzly in Tekken’s martial arts tournament.
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Retroviruses permanently splice directly into host genomes
HIV does not just leave a set of instructions lying around: it converts its RNA into DNA and uses integrase to weave that DNA into the host cell's genome.…
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Refreshing the desktop redraws icons, not a faster computer
Refresh asks the desktop to update what it displays, which can help when an icon or file change has not appeared correctly. It does not free the processor…
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Chinese magic squares perfectly balance numbers
Arrange the numbers one through nine in a 3-by-3 grid and every row, column, and diagonal adds to 15. That balance made the Lo Shu more than a puzzle: its…
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Why square dancing is an official state dance
Twentieth-century lobbying campaigns led more than 20 states to name square dancing their official state dance.
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New York's yellow taxis became a citywide rule in 1967
The city required medallion cabs to share the yellow color, making them easier to distinguish from other vehicles offering rides. What now looks like an…
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Paternity leave is rarely fully utilized
The leave is paid, but some fathers still don’t take it: they worry that being away will hurt their careers. A benefit can sit unused when workers think their…
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Woody Harrelson's father claimed he killed JFK
During a police standoff, Charles Harrelson claimed he had killed JFK, but authorities dismissed the claim as cocaine-fueled rambling.
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Why Team Fortress 2 took nine years to arrive
Valve repeatedly scrapped and reworked the game, shifting from realistic modern warfare to an alien-invasion concept before settling on its cartoon style for…
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The Sun is covered in geysers of superheated gas
The Sun’s bright surface has a busy border: slender jets of gas repeatedly shoot upward into its outer atmosphere. These spicules carry hot material thousands…
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WASD turns four ordinary letters into a movement map
Many PC games place movement under the left hand on W, A, S, and D, leaving the right hand free for the mouse. Nearby keys can then handle jumping, reloading,…
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A €500 note could pack a fortune into a small space
Two thousand notes make a million euros, which is why high-denomination cash attracted concern about illicit transfers. The European Central Bank stopped…
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Super Smash Bros target tests heavily rely on pause buffers
Players tap pause to advance the game one visual update at a time, turning a fast platforming challenge into a painstaking frame-by-frame sequence.
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Pedicab drivers require specialized permit approvals
A pedicab carries paying passengers on public streets, so permits let local officials check the vehicle and regulate where it operates. The driver pedals; the…
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Why companies hold meetings about other meetings
As an organization grows, coordinating work gets harder. Employees can end up spending more time in meetings about future work than doing the work itself.
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A fireplace bellows can fake a tired horse’s breath
Foley teams pump an old-fashioned fireplace bellows to create the raspy, heavy breathing of an exhausted horse. Its leather-and-wood construction gives the…
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Being born during a retrograde is a baseline
In astrology, a planet retrograde in your birth chart is said to shape that planet's influence throughout your life, rather than only during occasional…
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Why one odd watch can haunt your recommendations
Recommendation systems can latch onto a one-off viewing choice, so one documentary about rocks may keep geology videos in your feed years later—even if you…
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Why booking sites steer you toward mediocre stays
Booking sites may promote partner properties that pay higher commissions, even when those stays are only average.
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Why you shouldn't photograph Amsterdam's red-light windows
Photographing sex workers in Amsterdam's red-light district violates their privacy, even though sex work is legal and regulated in the Netherlands. It can…
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Human sweat drastically increases electrical conductivity
A dry palm resists electrical current more than a damp one. Sweat carries dissolved salts, so when it reaches the skin's surface, conductivity rises—a…
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Mystical texts use fonts deliberately hard to read
Esoteric manuals often use intricate script fonts that blur together, making the text difficult to read.
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How a car can be steered while airborne
A ramp-launched car can still tilt and rotate while airborne, giving the driver some control over its orientation.
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