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Pumping water out can pull Jakarta's ground down
Water pressure helps support layers of sediment underground. Heavy extraction lowers that pressure, allowing them to compact. Measurements have found…
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Friends moved upstairs by changing the numbers on its doors
Early episodes labeled Monica's apartment 5 and the apartment opposite 4; later they became 20 and 19. The sets did not need to move. A pair of new numbers…
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Why Miyamoto rejected being called gaming’s Spielberg
Miyamoto objected to being called video games’ Spielberg, saying he was Miyamoto and that games are a different art form from movies.
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Kolyma’s “Road of Bones” carries a history of forced labor
Gulag prisoners built the route through Russia’s far northeast under brutal conditions. Its name became associated with the workers who died during…
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A centuries-old temple builder survived under a new owner
Kongo Gumi, whose history traces back to 578, joined the Takamatsu group in 2006 after financial difficulties. Its independent family-business chapter ended,…
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Vault Boy’s thumbs-up is an advertising smile for the apocalypse
Fallout’s mascot turns injury, danger, and survival into cheerful sales-pitch illustrations. His grin and upbeat poses borrow the language of reassuring…
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Why runway numbers keep changing
Runway numbers give the magnetic heading rounded to the nearest ten degrees, so runway 27 points to 270 degrees. Because Earth's magnetic poles shift,…
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Why Vatican City has a heliport instead of an airport
At just 109 acres, the city-state has little room for a runway without sacrificing historic architecture, so the Pope travels by heliport instead. It serves…
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Nuclear submarines move slower than you might think
Most modern attack submarines reach about 30 to 40 miles per hour underwater; going faster can create cavitation bubbles and noise that gives away their…
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Why some pilots detour to give passengers an aurora view
To give passengers on both sides a view, pilots flying over places such as Iceland or northern Canada sometimes make a slow turn when the Northern Lights…
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Snow is technically a mineral
As water freezes, its molecules settle into a repeating crystal pattern, which makes ice a mineral. Snowflakes grow as ice crystals in clouds, each with that…
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Chuck E. Cheese began as an Atari strategy
Atari co-founder Nolan Bushnell wanted restaurants to buy his arcade games, but many were reluctant to purchase bulky cabinets. So he opened a family pizza…
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The Tarot Death card usually symbolizes change, not literal death
In tarot, the Death card usually points to transition, change, or leaving an old habit behind—not a literal death.
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Why your waterproof phone can still drown
An IP68 rating applies only within specified limits for depth and time, and tests use still, clean water. Chlorinated pools and salt water fall outside those…
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A tiny scratch can make your eye feel as if something is still stuck in it
The cornea's sensitive surface can keep producing that gritty feeling after the object is gone. Minor abrasions often heal within a few days, but pain alone…
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A flight's shortest phases demand some of its busiest work
During takeoff and landing, crews manage rapid changes in speed, altitude, and aircraft configuration close to the ground. Accident statistics give these…
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Early Apple computers saved files on cassette tapes
Early Apple computers could save files to ordinary cassette tapes. Users connected a cassette recorder to the computer to store code or documents.
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The Alien costume that used part of a human skull
The dome at the front of the original Xenomorph costume’s elongated head was made by sawing a human skull in half and casting it into the design.
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Why lying for your group can feel righteous
When your group feels like part of who you are, protecting it can feel like protecting yourself. A lie for the group can then be recast as loyalty or justice,…
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A 1960s home computer occupied the basement
Engineer Jim Sutherland built ECHO IV at home from surplus components. His plans included storing recipes and shopping information and controlling household…
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Finnair asked passengers to step on the scales
In 2024, volunteers at Helsinki Airport were weighed with their carry-on luggage to update flight-planning averages. The measurements were anonymous, not a…
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The Taj Mahal's white marble borrows its color from the sky
Low morning light can give the stone a pinkish cast, while changing daylight alters its brightness and tone. The building stays the same, but the light…
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Doom’s chainsaw sound came from a real chainsaw
Developer Bobby Prince borrowed his girlfriend's chainsaw and recorded its sound for the game's weapon.
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Why Romans thought trousers were barbaric
To Romans, trousers marked a person as foreign and uncivilized; the toga was the respectable choice. Some emperors even banned pants in the city, treating a…
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