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Buquebus passenger ferries race from Argentina to Uruguay
Transport

Buquebus passenger ferries race from Argentina to Uruguay

Fast Buquebus ferries cross the broad Río de la Plata with powerful engines and hulls designed to move quickly through water. The river is wide enough to make…

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Where pool balls go after they disappear
Technology

Where pool balls go after they disappear

A sloped gutter beneath the felt carries the balls by gravity to a collection box.

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Chopsticks require severe friction to grip slippery foods
Technology

Chopsticks require severe friction to grip slippery foods

The slightly rough surface of wooden chopsticks creates friction that helps them grip slippery foods like dumplings.

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Why the Apple logo has a bite
Technology

Why the Apple logo has a bite

Designer Rob Janoff added the bite to make the apple's scale unmistakable; without it, he worried people might mistake the shape for a cherry.

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The game that made launching birds seem like engineering
Games

The game that made launching birds seem like engineering

Angry Birds made players feel like amateur engineers as they launched birds at beams and watched structures collapse—though success often came down to a…

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Dr. Seuss also made wartime instruction films
History

Dr. Seuss also made wartime instruction films

Theodor Geisel already had children's books in print when he joined the US Army during World War II. He worked on training and propaganda films, including…

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Balsamic Moon demands hiding under heavy blankets
Myths & mysteries

Balsamic Moon demands hiding under heavy blankets

In this astrological description, the Moon's final drop of energy is said to make people withdraw and ignore the doorbell.

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Cacao cultivation requires a specific equatorial climate
Economy

Cacao cultivation requires a specific equatorial climate

The trees behind chocolate need a particular equatorial climate. Because cacao grows in a narrow zone, changing weather there can put production at risk.

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When Venezuelan banknotes became handbags
Economy

When Venezuelan banknotes became handbags

Venezuelan artisans turned stacks of devalued bolivars into handbags and paper swans. As inflation ate away the notes’ buying power, tourists could buy them…

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The passenger who rebooked one flight 300 times for free meals
Travel

The passenger who rebooked one flight 300 times for free meals

In 2013, a passenger in China bought a refundable first-class ticket, ate in the VIP lounge, then rebooked the flight for the next day—more than 300 times…

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Universal Studios mounted a massive fire-breathing dragon
Travel

Universal Studios mounted a massive fire-breathing dragon

The dragon atop the wizarding bank at Universal Studios Florida is an engineered prop that sends bursts of flame over the crowded area below.

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Uneven back panels make devices wobble
Technology

Uneven back panels make devices wobble

The protruding camera section keeps the back from lying flat, so each tap can make the phone rock on a desk.

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Luxury hotels once shared bathrooms
Travel

Luxury hotels once shared bathrooms

Even a luxury stay could mean sharing a washroom down the hall with as many as 30 other guests.

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Last items seen are recalled with absolute clarity
Psychology

Last items seen are recalled with absolute clarity

The last few words of a list are still sitting in working memory when you’re asked to repeat them. That makes them feel unusually crisp and easy to pull back…

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Turning in reverse to ghost everyone right at climax
Myths & mysteries

Turning in reverse to ghost everyone right at climax

When a celestial body appears to reverse course, the image is of a big promised moment that never arrives—like being ghosted by the universe.

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Why non-alcoholic beer can still make you act drunk
Psychology

Why non-alcoholic beer can still make you act drunk

Alcohol is not the only cue in a drinking scene. The taste, ritual, and expectation of getting drunk can shape behavior, so non-alcoholic beer may still bring…

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Myths & mysteries

Annie Besant lost child custody over controversial books

In the 1870s, a British judge took custody of Besant's daughter because her birth-control pamphlets were considered unfit for a mother.

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How investors can profit from a collapse they don't own
Economy

How investors can profit from a collapse they don't own

You can buy a contract that pays if a financial asset collapses, even if you never owned that asset. If it goes down, the contract can pay out—so the buyer…

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