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Why “we need to talk” sounds so ominous
Culture & entertainment

Why “we need to talk” sounds so ominous

The phrase sounds ominous because it often introduces news people dread, from infidelity to serious illness. It rarely sounds like the start of a casual lunch…

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America's poverty formula began with a grocery budget
Economy

America's poverty formula began with a grocery budget

In the 1960s, Mollie Orshansky used a basic food plan and multiplied its cost by three, reflecting how much of family spending went to food. The official…

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Colombia's chiva buses put a colorful wooden body on a truck chassis
Transport

Colombia's chiva buses put a colorful wooden body on a truck chassis

These rural vehicles combine sturdy running gear with wood-and-metal bodies, bench seats, open entrances, and space for goods. They carry people and the…

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Beryllium windows allow x-rays to escape tubes
Technology

Beryllium windows allow x-rays to escape tubes

Ordinary glass blocks many X-rays, but beryllium's low atomic number lets the beam pass through the window in an X-ray tube. Beryllium is toxic, so it must be…

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Washing the alchemical soul of all impurities
Myths & mysteries

Washing the alchemical soul of all impurities

The stage symbolized tears washing away the soul's past mistakes, while the literal process involved cleaning the ingredients.

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Shifting objects without physical contact fails
Myths & mysteries

Shifting objects without physical contact fails

Telekinesis is the supposed ability to move matter with thought, but decades of tests have produced no results. Glaring at a remote won't make it float over,…

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Why engineers fire chickens at airplane windshields
Transport

Why engineers fire chickens at airplane windshields

Engineers fire dead chickens at windshields to recreate a bird strike at flight speed and check whether the glass holds. A cannon supplies the speed; poultry…

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Lucifer translates directly to absolute light bringer
Myths & mysteries

Lucifer translates directly to absolute light bringer

It once referred neutrally to the bright star that heralded dawn, long before the name became associated with a villain.

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Nocturnal sect alters charts for dark skies
Myths & mysteries

Nocturnal sect alters charts for dark skies

In astrology, a chart is nocturnal if the Sun was below the horizon at the time it was cast. That makes the cooler, darker planets its primary benefactors.

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The sign-language version of tip-of-the-tongue
Psychology

The sign-language version of tip-of-the-tongue

In a tip-of-the-tongue moment, the idea is ready but the word won’t arrive. Signers can hit the same wall: they know the concept, yet can’t summon the sign’s…

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Magritte made paintings that pretended to be other people's
History

Magritte made paintings that pretended to be other people's

During World War II, the surrealist produced forgeries in the styles of artists including Picasso, de Chirico, and Titian. His associate Marcel Marien sold…

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Space Invaders did not cause Japan’s coin shortage
Games

Space Invaders did not cause Japan’s coin shortage

The story that Space Invaders caused a national coin shortage is a myth. A drop in coin production coincided with the arcade game's growing popularity, but…

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Redundancy means buying duplicate hardware just in case
Technology

Redundancy means buying duplicate hardware just in case

Critical systems can use duplicate power supplies and storage arrays so a backup takes over if one fails, often without users noticing.

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Modern abstract art was heavily inspired by the incredibly weird spiritual doctrines of the Theosophy movement
Myths & mysteries

Modern abstract art was heavily inspired by the incredibly weird spiritual doctrines of the Theosophy movement

Theosophy's influence went beyond unusual subject matter: artists such as Wassily Kandinsky and Piet Mondrian believed that removing recognizable objects…

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Male reproductive system shares a direct pathway with urine
Health

Male reproductive system shares a direct pathway with urine

The urethra is the tube that carries fluid out of the body, so both urine and semen use the same exit. During ejaculation, muscles at the bladder’s opening…

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A stress response becomes a problem when it never gets time off
Health

A stress response becomes a problem when it never gets time off

A short burst of stress prepares the body for a challenge. Chronic stress keeps that system engaged over weeks or months and can disrupt sleep and immune…

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Hotel hair dryers have terrifyingly short cords
Travel

Hotel hair dryers have terrifyingly short cords

Because the dryer is fixed to the wall with a short coiled cord, you may have to stand close to the mirror to reach your hair.

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Why smugglers steal Indian sandalwood at night
Economy

Why smugglers steal Indian sandalwood at night

Wild Indian sandalwood is prized for its fragrance oil, while government restrictions limit harvesting. Smugglers cut the valuable trees at night to get…

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