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
Web URLs are strictly forbidden from having gaps
A URL uses %20 where a space would go because a literal space could be mistaken for a break between parts of the address. The code tells the software, “this…
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The king who barked at his royal guests
After he began barking at guests during formal audiences, the king's handlers removed him from power.
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How dry ice blasts grime off machinery
Dry-ice pellets chill grime until it shrinks and cracks loose; then the pellets turn directly into gas, expanding and carrying dirt away without leaving…
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Mario was actually hitting Yoshi
Developers confirmed that the original game sprites show Mario striking Yoshi on the head to make him stick out his tongue, rather than simply pointing forward.
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Why the posted speed can smooth out a speed bump
At the posted speed, a vehicle’s suspension can absorb the impact as intended; creeping over some wide humps can transfer more of the jolt into the cabin.
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How Ottoman drums terrified European armies
Janissary bands marched with massive kettledrums and blaring horns, making an advancing army impossible to ignore. The noise could unsettle European troops…
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Iran quietly grows most of the world's saffron
Sanctions haven’t stopped Iranian saffron from reaching Western kitchens: more than 90% of the world’s supply comes from Iran. A complex chain of middlemen…
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The surprisingly cheap rings on dating shows
For proposals filmed before couples have met, studios provide generic, discounted rings—not family heirlooms.
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Reversing modern vehicles relies entirely on tiny cameras
A small rear camera gives the driver a view from the bumper, while a wide-angle lens squeezes a broad patch behind the vehicle onto the screen. The car backs…
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Newgrange catches a sunrise older than the pyramids
Built around 3200 BCE, the Irish passage tomb aligns with the winter-solstice sunrise. Light enters through a roof-box above the entrance and reaches the…
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Conventions happen in random hotel rooms
Annual enthusiast conventions may trade mystical grandeur for patterned carpets, fluorescent lights, and lukewarm water beside an airport-hotel ice machine.
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Chess reaches 400 positions after just one move each
White begins with 20 legal moves: two options for each pawn and two for each knight. Black still has 20 replies after any of those openings, giving 400…
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Why deleting a useless image can break a game
In some games built on the Source engine, deleting an apparently unused file, such as a coconut image, can make the game refuse to launch.
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Why adding developers can delay a late project
New developers need training from the already-busy team, and coordinating more people adds overhead, so the project can fall further behind. As the saying…
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Why cats attack things moving behind screens
Cats react to the sudden, darting movement on a screen much as they would to a small animal. The glass keeps them from reaching what they see.
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Pigeons can beat humans at waiting for rewards
In the lab, pigeons sometimes waited strategically for a larger food reward instead of taking a smaller one right away. Human participants were more likely to…
Discover moreRoboCop's armor turned acting into a heat-management problem
Peter Weller described losing pounds of water during hot shooting days inside the restrictive costume. The film's machine-like surface concealed a human…
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Why some unicycles tower over you
A tall unicycle uses a chain to connect the pedals to the wheel, letting the rider sit far above it. The extra height comes with extra wobble: it’s a bicycle…
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Indian metalworkers inlay silver wire onto dark zinc
Bidriware artists carve grooves into a blackened zinc-and-copper alloy, then hammer thin silver wire into them for a striking contrast.
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Why voice actors chew green apples
Voice actors chew tart green apples to help clear their palates and reduce sticky mouth noises picked up by studio microphones.
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Why festival crews clean toilets during the headline act
The vacuum trucks need clear paths to reach hundreds of portable toilets, and the headline act draws fans away from the walkways.
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Bracket resets in tournaments force winners to win twice
In a double-elimination format, the player from the losers' bracket must beat the undefeated finalist twice: first to hand them a loss, then again to win the…
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Why newborn photos arrive when parents are exhausted
The photographer arrives with a package to sell while the baby is brand-new and the parents are worn out. In that moment, a keepsake can be harder to refuse…
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Wearing a literal mood ring for protection
The supposed protection comes from treating the jewelry as a talisman; its shifting colors come from thermochromic liquid crystals.
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