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Attraction exits deliberately force you through gift shops
Travel

Attraction exits deliberately force you through gift shops

Some attractions make the gift shop the only route out, sending visitors past racks of souvenirs on their way home.

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Some of a washing machine's weight is there to fight its own spin
Science

Some of a washing machine's weight is there to fight its own spin

Heavy counterweights help stabilize the assembly as unevenly distributed laundry rotates. Nottingham Trent researchers even tested replacing concrete with a…

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When every conversation looks like a power game
Psychology

When every conversation looks like a power game

A coworker disagrees with your idea; you hear a challenge to your rank. A friend chooses the restaurant; you hear a test of control. When you assume people…

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The CDC grew out of a campaign against malaria in the U.S.
Health

The CDC grew out of a campaign against malaria in the U.S.

Its predecessor worked to control malaria around wartime military training areas in the South. When the Communicable Disease Center opened in 1946, it…

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Memory foam started with a problem in aircraft seats
Technology

Memory foam started with a problem in aircraft seats

Developed under a NASA-funded effort in the 1960s, the cushioning material was intended to improve protection and comfort by absorbing shock. Its ability to…

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Ski lifts run on a single continuous loop of cable
Transport

Ski lifts run on a single continuous loop of cable

A motor pulls one long cable around a loop, carrying chairs uphill with riders and back downhill empty. The lift is a conveyor belt that keeps its appointments.

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Prolific romance authors publish under multiple fake names
Culture & entertainment

Prolific romance authors publish under multiple fake names

Some prolific romance writers use pen names because publishing too many titles under one name in a month can hurt their visibility in digital storefront…

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Why your fiddle-leaf fig keeps dying
Economy

Why your fiddle-leaf fig keeps dying

When a fiddle-leaf fig sheds leaves in a dark apartment, owners may think they've failed and buy another. The replacement faces the same low-light problem.

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Why eavesdropping once meant getting soaked
History

Why eavesdropping once meant getting soaked

Before the word meant listening in, an eavesdropper was literally someone lingering under a roof’s edge, where rainwater dripped. Spying on a conversation…

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Sailing stones leave long trails across dry lake beds
Myths & mysteries

Sailing stones leave long trails across dry lake beds

Thin sheets of ice and light winds can push the rocks across the mud, sometimes leaving trails behind them.

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When jump rope was considered a boys' activity
Games

When jump rope was considered a boys' activity

Before the 19th century, jumping rope was treated as a boys’ and men’s activity; that changed during the Victorian era, when girls began taking it up.

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Why fashion magazines smell when you peel the page
Culture & entertainment

Why fashion magazines smell when you peel the page

The fragrance is sealed inside tiny bubbles that break when you peel back the page, releasing the scent.

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Gears of War made chainsaw bayonets famous
Games

Gears of War made chainsaw bayonets famous

Its rifle-mounted chainsaw became a signature close-quarters weapon for fighting the game's huge subterranean aliens.

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Hotel room safes may have easy-to-find override codes
Travel

Hotel room safes may have easy-to-find override codes

Many hotel safes have default override codes that are easy to find online, giving staff a backup if a guest forgets the PIN.

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A desert golf course has to keep replacing lost water
Economy

A desert golf course has to keep replacing lost water

Grass loses water through its leaves, and moisture evaporates from the soil. Irrigation must keep up with that loss across a large area, especially in hot,…

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Total inability to care about anyone but yourself
Psychology

Total inability to care about anyone but yourself

When someone cannot care about another person’s needs, the other person’s distress may register as information rather than a reason to act. Their attention…

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Digital comic platforms artificially pan across static panels
Culture & entertainment

Digital comic platforms artificially pan across static panels

Guided-view features zoom and pan across static artwork, making a two-page spread easier to follow on a phone and giving it a cinematic sense of motion.

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The ancient letter that became the first passport
Travel

The ancient letter that became the first passport

The king’s letter asked local officials to let his envoy pass safely, making it an early safe-conduct document.

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