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Why people trust a rubber cord with their lives
Games

Why people trust a rubber cord with their lives

A bungee cord stretches under a jumper’s weight, then recoils to slow the fall and pull them back up.

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A yo-yo can work in space—you supply the first push
Games

A yo-yo can work in space—you supply the first push

On Earth, gravity starts the drop and helps get the yo-yo spinning. In microgravity, an astronaut can throw it outward and pull the string taut instead. Its…

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How MP3s shrink files by removing inaudible sounds
Technology

How MP3s shrink files by removing inaudible sounds

MP3 compression saves space by discarding audio information listeners are unlikely to hear, including sounds masked by other frequencies.

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White light is just all visible colors mashed together
Science

White light is just all visible colors mashed together

A prism does not create a rainbow from white light; the colors were already mixed together inside it. Each color bends by a slightly different amount as it…

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Zero degrees Kelvin implies absolutely no atomic movement
Science

Zero degrees Kelvin implies absolutely no atomic movement

Absolute zero removes as much thermal motion as nature allows, but it doesn’t make particles perfectly still. Quantum effects leave a little unavoidable…

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Why horror movies keep sending you to the bathroom mirror
Culture & entertainment

Why horror movies keep sending you to the bathroom mirror

A medicine-cabinet mirror gives filmmakers a built-in reveal: when the door swings shut, a threat may appear behind the character.

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Why Bollywood movies need an intermission
Culture & entertainment

Why Bollywood movies need an intermission

Because some films run past three hours, Indian cinema traditionally builds in an intermission, giving audiences time to stretch and buy snacks.

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Your body makes water while burning fuel
Health

Your body makes water while burning fuel

As cells use carbohydrates and fats for energy, the chemical reactions leave water among their byproducts. That means your body makes a little water even…

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Avoiding the day can make tomorrow harder to face
Psychology

Avoiding the day can make tomorrow harder to face

Staying in bed can offer immediate relief from demands. If withdrawal becomes a pattern, it also removes activity, contact and small experiences of…

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Mopane worms are caterpillars sold as food
Travel

Mopane worms are caterpillars sold as food

These large moth larvae feed on mopane trees in southern Africa. Harvesters remove their gut contents and dry or cook them; dried batches can be stored and…

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In Brazil, pizza often arrives with a knife and fork
Travel

In Brazil, pizza often arrives with a knife and fork

Cutlery lets diners handle a hot slice and its toppings without lifting everything by the crust. In many Brazilian pizzerias, that is an ordinary way to eat…

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Hyperborea was an eternal springtime paradise
Myths & mysteries

Hyperborea was an eternal springtime paradise

Greek legends placed it far to the north, where the sun was said never to set and people supposedly lived for centuries.

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Mongolia turns mare's milk into a fizzy fermented drink
Travel

Mongolia turns mare's milk into a fizzy fermented drink

Airag develops its tart taste and mild alcohol content as microbes ferment the milk's sugars. Fermentation changes a fresh animal product into something with…

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Why late-night house bands repeat the same music
Culture & entertainment

Why late-night house bands repeat the same music

Some house bands spend years repeating the same short instrumental transitions during commercial breaks, looping about 30 seconds of music.

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Apsara are celestial dancers distracting meditators
Myths & mysteries

Apsara are celestial dancers distracting meditators

In some stories, supernatural dancers called apsaras are sent to disrupt ascetics' meditation. The meditators may shut their eyes tightly to resist the…

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Fire engines deploy outriggers to avoid tipping over
Transport

Fire engines deploy outriggers to avoid tipping over

When a fire engine extends its ladder, outriggers spread out and press against the ground. That wider support base resists the ladder’s tipping force, so the…

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Why stranded Kerbals can wait decades for rescue
Games

Why stranded Kerbals can wait decades for rescue

Because the game ignores biological needs, stranded Kerbals don’t suffocate or starve. They can wait alone on a desolate moon for decades until you rescue them.

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Snooker began as bored officers' invention
Games

Snooker began as bored officers' invention

In 19th-century India, British officers combined colored balls with a new scoring system when they tired of familiar games. “Snooker” was military slang for…

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