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Researching a tiny purchase can become a bigger task than buying it
Psychology

Researching a tiny purchase can become a bigger task than buying it

You compare brands for a purchase you’ll forget by next week because research turns choosing into a puzzle with a possible “right” answer. Each new review…

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You can estimate pi by dropping a needle
Science

You can estimate pi by dropping a needle

In Buffon's needle experiment, a needle lands on a surface marked with parallel lines. The share of drops that cross a line depends on the needle's length,…

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Clue requires players to deduce three secret central cards
Games

Clue requires players to deduce three secret central cards

The solution—who committed the murder, with what weapon, and in which room—is hidden in an envelope at the center of the board. Players move through the…

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The tooth fairy may follow the stock market
Economy

The tooth fairy may follow the stock market

Delta Dental polling found that tooth-fairy payouts tend to rise when stocks boom and fall in recessions. In some surveys, a lost molar brought a child more…

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Michelangelo painted the Sistine Chapel standing up
Travel

Michelangelo painted the Sistine Chapel standing up

Pop culture loves the dramatic image of an artist lying flat on his back. In reality, a custom scaffolding platform was built so the painter could awkwardly…

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Sic Bo requires players to bet on three shaking dice
Games

Sic Bo requires players to bet on three shaking dice

Sic Bo uses three dice shaken under a covered cup, and players can bet on totals, triples, or other combinations—far more outcomes than with a pair of dice.

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Ancient Romans used combination locks too
Technology

Ancient Romans used combination locks too

Archaeologists have found ancient locks that used rotating rings aligned in a specific pattern to secure small puzzle boxes.

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What's really inside a plant-based burger
Health

What's really inside a plant-based burger

A plant-based patty may be built from protein isolates and binders rather than whole vegetables, with sodium added for flavor. That is how some products…

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Sprite scaling stretches tiny pixel grids to massive sizes
Games

Sprite scaling stretches tiny pixel grids to massive sizes

Nearest-neighbor scaling enlarges each existing pixel into a block instead of smoothing the image, producing the jagged look of classic pixel art.

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Cycling helicopters share a single miserable broadcast feed
Culture & entertainment

Cycling helicopters share a single miserable broadcast feed

A shared pool of helicopters films the race and sends a raw signal to a central relay, so broadcasters worldwide use the same aerial footage.

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Aleister Crowley named himself the Great Beast 666 mostly to annoy his devout Christian mother
Myths & mysteries

Aleister Crowley named himself the Great Beast 666 mostly to annoy his devout Christian mother

His strict Plymouth Brethren mother reportedly called him “the Beast” when he misbehaved, turning a childhood scolding into the name he made famous.

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Climbing Everest starts with an $11,000 permit
Travel

Climbing Everest starts with an $11,000 permit

Nepal’s permit is only the starting cost: equipment and expedition logistics can bring a climb to around $60,000. The summit route can also involve waiting in…

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People used to cover filthy floors with fresh grass
History

People used to cover filthy floors with fresh grass

Instead of removing rotting scraps and dog droppings, people spread fresh dried grass over them. The floor got a new layer, not a cleaning.

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Orexin strictly governs conscious wakefulness
Health

Orexin strictly governs conscious wakefulness

Orexin-producing brain cells send signals that help keep wakefulness steady. If that support falters, the brain can have trouble sustaining alertness through…

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Baqaa is the spiritual hangover after divine annihilation
Myths & mysteries

Baqaa is the spiritual hangover after divine annihilation

In Sufi thought, baqāʾ (“subsistence”) follows fanāʾ, or annihilation of the ego: the mystic returns to ordinary life while remaining merged with the absolute.

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A revolving door acts like an airlock you can walk through
History

A revolving door acts like an airlock you can walk through

Theophilus Van Kannel's design reduced drafts by keeping a barrier between the street and the lobby as people passed. That was especially useful in tall…

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Your body may be older than your birth certificate
Health

Your body may be older than your birth certificate

A birth certificate counts years; biological age tries to describe how well the body is functioning. Researchers estimate it using clues such as changes in…

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The border war fueled by pork and beans
History

The border war fueled by pork and beans

American troops’ pork-and-beans rations gave the Aroostook War its nickname, though the border standoff never turned into combat. The food made it into the…

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