The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
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Many medieval grimoires were essentially elaborate codes
Some grimoires may have concealed scientific notes: chemists and astronomers who feared prosecution disguised mathematical and botanical findings with occult…
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Grief can include a vivid sense that someone is still there
Bereaved people sometimes report hearing a familiar voice, seeing the person briefly, or simply sensing their presence. Researchers describe these experiences…
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Japan's Ronald McDonald became Donald McDonald
The character uses the name Donald in Japanese branding. The localized name has its own familiar sound for that audience, even though the red-haired clown is…
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Tom and Jerry were once Jasper and Jinx
The cat and mouse first appeared as Jasper and Jinx. An internal studio contest produced their new names, and the winning suggestion earned its creator $50.
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The familiar card suits were cheap to print
French cardmakers used simple red and black silhouettes for hearts, diamonds, clubs and spades. Unlike elaborate painted designs, these shapes could be…
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A radar researcher described a touchscreen in 1965
E. A. Johnson at Britain's Royal Radar Establishment published a touch-display design decades before smartphones. Selecting something directly on a screen…
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Tulip mania didn't crash the Dutch economy
A few wealthy merchants paid enormous sums for rare tulip bulbs, but the crash did not bankrupt ordinary Dutch families or wreck the national economy. Later…
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Why some people finish tasks too early
Finishing early can be a way to shut down uncertainty: once the task is submitted, there’s no more wondering whether it’s good enough. The catch is that the…
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Vatican citizenship can come with a job
It is generally linked to office, service, or authorized residence rather than simply being born on the territory. Eligible family members can also receive it…
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An incredibly low number of humans have ever visited space
Fewer than 700 people have crossed the Kármán line into space—fewer than the number of shoppers who might pass through a local grocery store in an afternoon.
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Remarkably thick and dense atmosphere of the moon Titan
Titan’s thick atmosphere gives wings plenty of air to push against, so powered flight is possible there. But the air is mostly nitrogen, not breathable…
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Medieval spellbooks share roots with basic grammar rules
“Grimoire” evolved from an Old French word for grammar. The link reflects a time when literacy could seem like a kind of magic to people who couldn’t read.
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Ancient Egyptian eye makeup contained manufactured chemicals
Researchers analyzing cosmetics found lead compounds that ancient makers had deliberately synthesized, rather than simply scooped from a mineral deposit.…
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Ancient Celts believed running water stopped pursuing demons
In these European legends, a fast-moving stream could break a supernatural pursuer’s chase.
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German students helped create money meant to stay nearby
The Chiemgauer launched in Bavaria in 2003 through a school project. Participating shops accepted the regional currency, encouraging customers to spend within…
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An Osaka highway rents space inside an office building
Osaka's Gate Tower Building has an active Hanshin Expressway exit ramp running through its fifth, sixth, and seventh floors, after developers and planners…
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The drunken joke that made text blink online
A Netscape engineer reportedly threw together the HTML blink tag as a joke during a late-night drinking session. It made text flash on and off across early…
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The main Interstate numbers hide a rough compass
On the primary one- and two-digit Interstate network, even numbers generally mark east–west routes and odd numbers north–south ones. Three-digit auxiliary…
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How abstract thinking can ease daily stress
A pile of bills can feel crushing when you stare at each one; stepping back to ask what the problem means in the larger picture can loosen its grip. Abstract…
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Credit card networks make massive profits from merchant fees
A card purchase costs the merchant more than the price of the item: the payment network takes a transaction fee. Repeat that across a huge number of sales and…
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Modern console controllers heavily borrowed from early Sega
Today’s popular gaming controllers drew heavily on experimental Sega peripherals, including their ergonomic shapes and asymmetric joystick layouts.
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How your emails leave a carbon footprint
Billions of daily emails rely on data centers to store and transmit them, and the electricity powering those servers generates emissions.
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The strange chord that changed modern music
Wagner used the tense, unresolved Tristan chord in his 1865 opera Tristan und Isolde, creating musical tension instead of the expected resolution.
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Victoria Falls makes rainbows by moonlight
At the height of the rainy season, spray from the falls creates mist that refracts full moonlight into a pale moonbow.
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