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You cannot legally use a recovered document
Travel

You cannot legally use a recovered document

Once a travel document is reported lost, it can be added to an international database of invalid documents. Trying to cross a border with it can lead to…

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He tested an elevator brake with an axe
History

He tested an elevator brake with an axe

Elisha Otis needed the public to trust his elevator safety brake, so he demonstrated it with himself on a raised platform. A man chopped through the hoisting…

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Why airships dump water to climb
Transport

Why airships dump water to climb

Helium or hydrogen supplies the lift, while water ballast adds weight. Release the ballast and the airship becomes lighter than the air it displaces, rising…

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Why Myanmar once banned The Simpsons
Culture & entertainment

Why Myanmar once banned The Simpsons

Censors banned the show because its yellow and red colors violated a ban on those colors in films.

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You can sometimes walk from Alaska to Russia
Travel

You can sometimes walk from Alaska to Russia

Little Diomede, Alaska, and Big Diomede, Russia, are only 2.4 miles apart. Winter pack ice can span the gap, but crossing it is dangerous.

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Pulp Fiction says the f-word 265 times
Culture & entertainment

Pulp Fiction says the f-word 265 times

Across its 154-minute runtime, that works out to almost two uses per minute; at the time, it set a record for a major motion picture.

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Scottish mystics famously grew forty-pound cabbages in terrible soil by allegedly asking plant devas for gardening tips
Myths & mysteries

Scottish mystics famously grew forty-pound cabbages in terrible soil by allegedly asking plant devas for gardening tips

Findhorn's founders said plant devas gave them precise composting and planting advice on barren, sandy ground; they grew cabbages weighing up to 40 pounds.

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Why suppressing sadness can leave you cold
Psychology

Why suppressing sadness can leave you cold

When you force sadness down, you’re not only hiding it from other people; you’re managing it inside your own attention. The work of holding back can crowd out…

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Staring at hands in dreams triggers extreme lucidity
Myths & mysteries

Staring at hands in dreams triggers extreme lucidity

In lucid-dreaming practice, checking your hands is a reality test: distorted or melting fingers can alert you that you're dreaming.

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Caldera collapses create massive localized sinkholes
Science

Caldera collapses create massive localized sinkholes

A caldera forms when the ground above a partly emptied magma reservoir collapses. The result isn’t simply a giant hollow chamber left by the eruption: the…

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Moulin Rouge once had a giant elephant
Culture & entertainment

Moulin Rouge once had a giant elephant

The Moulin Rouge courtyard once featured a giant hollow stucco elephant. A spiral staircase in its leg led to a belly where belly dancers performed.

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Sri Lankan president Mahinda Rajapaksa called a snap election based on his astrologer's advice and completely lost
Myths & mysteries

Sri Lankan president Mahinda Rajapaksa called a snap election based on his astrologer's advice and completely lost

In 2015, he called an election two years early after his astrologer predicted victory. Rajapaksa lost and was voted out of office.

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A movie mirror has to hide the people making the movie
Culture & entertainment

A movie mirror has to hide the people making the movie

Filmmakers adjust the mirror, camera position, and framing so the reflection shows the actor without exposing the crew. The actor's apparent gaze and the…

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Cheap wooden chopsticks offer a huge amount of splinters
Travel

Cheap wooden chopsticks offer a huge amount of splinters

Disposable wooden chopsticks can split into jagged, uneven edges that leave splinters. Rubbing the sticks together is a common attempt to smooth them before…

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Gallium melts in the palm of your hand
Science

Gallium melts in the palm of your hand

Gallium melts because its melting point is only a little above room temperature, and your warm hand can supply the extra heat. The shiny metal softens into a…

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The makeup trick that keeps movie sweat shiny
Culture & entertainment

The makeup trick that keeps movie sweat shiny

Makeup artists mist actors with water and glycerin. Unlike real sweat, the mixture evaporates slowly, keeping their skin shiny for hours.

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3M originally mined grinding wheel minerals
Economy

3M originally mined grinding wheel minerals

3M’s first plan was to mine corundum for grinding wheels. The venture produced anorthosite instead, sending the company toward sandpaper—and, eventually, tape…

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Costa Rica's clean electricity depends heavily on rain
Travel

Costa Rica's clean electricity depends heavily on rain

Hydropower supplies much of the country's electricity, alongside other renewable sources. When El Niño reduced reservoir levels in early 2024, oil- and…

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