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Trampolines stretch heavy steel springs to stop injuries
Technology

Trampolines stretch heavy steel springs to stop injuries

The canvas provides the landing surface, while the tightly coiled steel springs stretch to absorb and return the jumper’s energy.

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American researchers launched a chimpanzee into space
History

American researchers launched a chimpanzee into space

Researchers needed to know whether a trained passenger could still perform simple tasks in space. During his flight, Ham pulled levers as trained, showing he…

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The Weakest Link makes players choose when to stop winning
Culture & entertainment

The Weakest Link makes players choose when to stop winning

Correct answers build a chain worth progressively more, but a wrong answer can wipe out the unbanked amount. Banking protects the money while restarting the…

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Reading folded paper slips with closed eyes
Myths & mysteries

Reading folded paper slips with closed eyes

The performer is supposed to answer a folded, unseen question through divine insight; the trick’s premise leaves room for sleight of hand.

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A quarrel with King John shut down ordinary church life
History

A quarrel with King John shut down ordinary church life

In 1208, Pope Innocent III placed England under an interdict during a dispute over the archbishop of Canterbury. Most public religious services stopped,…

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Broadway shows can lose millions chasing awards
Economy

Broadway shows can lose millions chasing awards

Producers sometimes keep an underperforming show open to stay eligible for major awards. They’re paying to keep the possibility alive that a trophy will sell…

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A flight-compensation service can keep a large slice of the award
Travel

A flight-compensation service can keep a large slice of the award

Claim companies charge for pursuing a passenger's case; AirHelp's standard success fee is 35%, with an additional fee in cases requiring legal action.…

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Ancient Tibetan singing bowls were actually invented by clever western tourists in the late twentieth century
Myths & mysteries

Ancient Tibetan singing bowls were actually invented by clever western tourists in the late twentieth century

There’s no known historical evidence of Tibetan monks using singing bowls for meditation before the 1970s. Travelers began playing ordinary local food bowls…

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Movie snow is often shredded paper
Culture & entertainment

Movie snow is often shredded paper

Many modern productions use shredded recycled paper for artificial snow. It can look convincing on camera but feel like soggy papier-mâché underfoot.

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The A-10 moved its nose wheel aside to make room for the gun
Transport

The A-10 moved its nose wheel aside to make room for the gun

The large 30-millimeter cannon occupies the forward fuselage, so the nose landing gear sits off the aircraft's centerline. The asymmetry is deliberate…

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Capricorn is represented by a mythical sea-goat because ancient Sumerians loved weird hybrids
Myths & mysteries

Capricorn is represented by a mythical sea-goat because ancient Sumerians loved weird hybrids

Sumerians associated their winter god Enki with a half-goat, half-fish hybrid, an image that carried into Capricorn’s sea-goat symbol.

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Why ocean liners are built like battering rams
Travel

Why ocean liners are built like battering rams

Ocean liners cross rough open water rather than mainly sailing between ports, so their steel hulls are built to withstand heavier seas.

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Eating off the dirty floor is highly nutritious
Games

Eating off the dirty floor is highly nutritious

A roasted turkey may be food, but one found on a dirty alley floor is not guaranteed safe to eat.

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Researchers used lasers to reveal a toilet flush's invisible plume
Health

Researchers used lasers to reveal a toilet flush's invisible plume

A study of a lidless commercial toilet showed a jet of tiny airborne droplets rising after flushing. Bright laser light made movement visible that an observer…

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Why rational ignorance can shape voting
Economy

Why rational ignorance can shape voting

A single vote is so unlikely to decide an election that many voters have little personal reason to spend hours researching every candidate. Economists call…

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Intergalactic hunters magically compress into tiny spheres
Games

Intergalactic hunters magically compress into tiny spheres

In the game, the suit lets a full-grown human curl into a metal ball to fit through tight spaces—a feat that would be impossible without ignoring ordinary…

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The same person weighs slightly less near the equator
Science

The same person weighs slightly less near the equator

Earth's rotation partly offsets the pull you feel, and its equatorial bulge places you farther from the planet's center. Both effects lower measured weight…

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A drink's temperature can matter independently of its ingredients
Health

A drink's temperature can matter independently of its ingredients

IARC classified regularly drinking very hot beverages—above 65°C, or 149°F—as probably carcinogenic, with concern focused on the esophagus. The issue is…

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