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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International standard book numbers track geographic origin
ISBNs include group and publisher identifiers, which can point to a language or country area and the publisher—not just identify the title.
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When Indiana lawmakers tried to redefine pi
An 1897 Indiana bill endorsed a supposed solution to squaring the circle whose mathematics implied an incorrect value for pi. Professor C. A. Waldo helped…
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An open-palm gesture can do several jobs in a conversation
Gesture researchers study palm-up movements as ways to offer, question, yield, or hold a conversational turn. Their meaning depends on timing and the…
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The airport walkway has to park against your plane
A passenger boarding bridge extends, rises, and turns to meet an aircraft door at the right position. An operator must bring the moving structure close…
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Swampy peninsula was bought to stop border disputes
The treaty settled border disputes by transferring Florida from Spain to the United States. No cash changed hands: the U.S. agreed to settle up to $5 million…
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Your digital library book can vanish mid-chapter
When the two-week loan expires, digital rights management can lock the file on your device—even if you’re only three pages from the end.
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Red skies in the morning signaled impending severe weather
Before radar, people used the morning sky as a weather clue; a red dawn was taken as a warning of incoming moisture.
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Black pepper changes how the body handles curcumin
Piperine, a compound in black pepper, can increase the bioavailability of turmeric's curcumin—the amount reaching the body in usable circulation. That is why…
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Recreational vehicles are tiny homes that burn gasoline
An RV lets you take a furnished kitchen on the road. The trade-off can be six miles per gallon, plus leaks and suspension trouble: your house is moving, and…
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Spoken word audio transcripts rely on heavily flawed robots
Automatic transcripts can mangle technical terms and regional accents, turning spoken conversations into gibberish and making them harder to search accurately.
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Early breathalyzers made drivers blow up balloons
Drivers had to inflate a football-sized balloon, then the trapped air was pumped through a chemical solution that changed color if alcohol was present.
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Shared gym equipment spreads drug-resistant MRSA
MRSA can travel when skin or a contaminated towel touches sweaty benches and shared equipment. The bacteria can linger on those surfaces and move to another…
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The State of Jefferson's rebellion lost its moment to war
In 1941, counties in southern Oregon and northern California promoted a breakaway state, protesting neglect and poor roads. The campaign staged a declaration…
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Spherical boulders mysteriously line isolated beaches
These are mineral concretions: hard stone masses that outlast the softer material around them, leaving smooth boulders exposed on the beach.
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Destiny heavily encourages fierce grinding for random loot
Players shoot aliens to earn randomized purple engrams, often for only small stat boosts—turning a sci-fi shooter into a loot-grinding routine.
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Ice circles rotate perfectly on freezing river surfaces
As currents turn slowly beneath freezing water, they can carve round ice discs that rotate on the river's surface.
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An ancient Greek object looks like a yo-yo, but its purpose is uncertain
The Met holds a finely painted terracotta bobbin from around 460–450 BCE. Its shape suggests a bobbin or yo-yo, while its fragility points to a dedication…
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Duty-free purchases are sealed in tamper-evident bags
The seal lets border officials see that the goods haven't been opened or altered during a layover.
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Why Interpol cannot arrest anyone
Interpol has no arrest powers. It shares information and coordinates with police in member countries, whose officers make arrests.
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When a snowball fight turns dangerous
A snowball fight turns dangerous when someone skips the fluffy snow and hurls a densely packed ice ball at your face.
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Why romance heroes lose their heads on covers
Author Jennifer Sucevic says she favored torso-only images when models' faces did not match her characters. Leaving the face out lets readers supply the hero…
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How theme parks make tiny rooms feel enormous
Designers shrink background props and buildings to make compact indoor sets look like sprawling kingdoms.
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Measles can erase your immune memory
Measles can destroy immune cells that remember infections your body has already fought. That can erase some of its learned defenses, leaving survivors…
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Sequential art utilizes shape language to indicate acoustics
Jagged speech balloons suggest shouting, while cloud-shaped bubbles signal thoughts, letting illustrators convey sound and inner speech without audio.
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