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Flat-rate utility bills guarantee leaving lights on
Economy

Flat-rate utility bills guarantee leaving lights on

If tenants pay the same flat utility fee no matter how much electricity they use, saving power doesn’t save them money. Someone may leave the air conditioning…

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The first total artificial heart bought a patient 64 hours
Technology

The first total artificial heart bought a patient 64 hours

In 1969, Denton Cooley implanted the Liotta-Cooley device in Haskell Karp while a donor heart was sought. It supported him for roughly 64 hours before…

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Different sleep schedules can leave a group with a night watch
Psychology

Different sleep schedules can leave a group with a night watch

Researchers monitoring Hadza hunter-gatherers found very little time when every participant was asleep at once. Later sleepers, early risers, and brief…

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Airship pilots once used their bodies to steer
Transport

Airship pilots once used their bodies to steer

Early airships had little engines and even less room for fancy controls. A pilot shifting their weight changed the craft’s balance and tilt, helping steer its…

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An acceptance rate can fall without a college cutting a single place
Economy

An acceptance rate can fall without a college cutting a single place

The rate divides admitted applicants by the number who apply. If applications grow faster than available places, the percentage shrinks even with an unchanged…

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You buy the jacket first. Your brain writes the reasons later
Psychology

You buy the jacket first. Your brain writes the reasons later

Imagine buying the costly jacket on impulse, then remembering its excellent stitching and how long it will last. Those reasons may be real, but after the…

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How one landowner can hold up a massive bridge
Economy

How one landowner can hold up a massive bridge

The bridge can be ready on paper and still get stuck at one property line. If a single parcel is essential, its owner can refuse to sell and use the delay to…

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Bloodborne's wooden shield is a poor hiding place
Culture & entertainment

Bloodborne's wooden shield is a poor hiding place

The base game's shield offers limited protection in a combat system that rewards movement and aggression. The Old Hunters expansion adds a different shield,…

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Why Blood Falls stains Antarctic ice red
Science

Why Blood Falls stains Antarctic ice red

Beneath Blood Falls, salty water rich in iron has been trapped under the glacier. When it escapes and encounters oxygen, the iron rusts, turning the water red…

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Medieval palm readers claimed that having a sweaty left hand meant you were secretly practicing witchcraft
Myths & mysteries

Medieval palm readers claimed that having a sweaty left hand meant you were secretly practicing witchcraft

Palmistry manuals treated a sweaty left palm as evidence of a pact with the devil, turning an ordinary bodily trait into a dangerous accusation.

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Why you sound different in every room
Psychology

Why you sound different in every room

Your voice is partly a response to the people listening. You may explain more around strangers, use shorthand with friends, or soften your tone at work. The…

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The cake in Portal was inspired by a real dessert
Games

The cake in Portal was inspired by a real dessert

A Black Forest cake the writers had bought from a local bakery gave them the idea: GLaDOS could tempt the test subject with dessert.

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Marcel Marceau forged papers to save children
Culture & entertainment

Marcel Marceau forged papers to save children

His illustration skills helped him forge identity papers for Jewish children during World War II, helping them avoid being sent to concentration camps.

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Why happy couples still argue
Psychology

Why happy couples still argue

Even happy couples have competing needs, habits, and ideas about what matters. Closeness gives those differences plenty of chances to surface: arguing can be…

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Vertical centering used to be a surprisingly awkward CSS job
Technology

Vertical centering used to be a surprisingly awkward CSS job

Older layout techniques handled text flow and floating elements more naturally than aligning a box inside another box in both directions. Developers combined…

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Sekiro replaces health bars with exhaustion meters
Culture & entertainment

Sekiro replaces health bars with exhaustion meters

In Sekiro, aggressive attacks and deflections build an enemy’s posture meter. Fill it, and you can land a fatal blow without draining the enemy’s entire…

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The London Tube map is deliberately inaccurate
Transport

The London Tube map is deliberately inaccurate

Harry Beck’s famous Tube diagram treats London like a circuit board: straight lines, clear colors, and stations spaced for legibility rather than distance.…

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The computer shortcut behind Solitaire's card cascade
Culture & entertainment

The computer shortcut behind Solitaire's card cascade

The animation works by disabling the screen-wipe function: as each card sprite falls, it leaves its pixels behind, creating the cascade.

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