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Leprosy is much harder to catch than its history suggests
Health

Leprosy is much harder to catch than its history suggests

Transmission generally requires prolonged, close contact with an untreated person, probably through droplets from the nose and mouth. A handshake or sitting…

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Tiddlywinks completely requires intensely frustrating discs
Games

Tiddlywinks completely requires intensely frustrating discs

Players flick small discs into a cup, and adults took the game seriously enough to form elite university societies in the 1950s.

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That hologram on your card is not a picture
Technology

That hologram on your card is not a picture

That shiny dove on your plastic isn't a flat picture. It is a three-dimensional interference pattern physically stamped into metal foil, meaning the image…

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One floating hotel traveled from Australia to Vietnam to North Korea
Travel

One floating hotel traveled from Australia to Vietnam to North Korea

The hotel later known as Haegumgang first operated near the Great Barrier Reef, then moved to Vietnam before reaching North Korea's Mount Kumgang tourist…

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Sekiro heavily requires fiercely precise katana deflections
Games

Sekiro heavily requires fiercely precise katana deflections

Well-timed deflections build an enemy’s posture meter until it breaks, while hesitation can leave you exposed.

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Why free-to-play games charge you to wait less
Economy

Why free-to-play games charge you to wait less

A game can make the next upgrade take hours, then offer a button that skips the wait. The timer turns impatience into a purchase: pay now, keep playing.

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True-crime readers were solving cases long before online forums
Culture & entertainment

True-crime readers were solving cases long before online forums

Crime magazines packaged witness accounts, reconstructions, photographs, and theories for readers far from an investigation. That format invited the audience…

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President had to run twice to get his old job back
History

President had to run twice to get his old job back

Losing in 1888 didn’t end Grover Cleveland’s political career: voters sent him back in 1892, after Benjamin Harrison’s term. Because his presidencies weren’t…

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How the space race made Velcro famous
Science

How the space race made Velcro famous

In weightlessness, setting down a pen is more like releasing a balloon: it can drift away. Hook-and-loop strips gave astronauts a quick way to pin loose…

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Colorful atmospheric arches form during specific weather
Myths & mysteries

Colorful atmospheric arches form during specific weather

Faint glowing bands can stretch across the horizon when bright evening light meets heavy precipitation, though spotting them may mean standing outside in…

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Why mail-order hardcovers use cheaper paper
Culture & entertainment

Why mail-order hardcovers use cheaper paper

Mail-order hardcovers use lighter, cheaper paper to reduce shipping and manufacturing costs. Some editions also have smaller type and lack the embossing found…

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The tiny chip that gives every card payment a new code
Science

The tiny chip that gives every card payment a new code

The payment reader powers the chip, which creates a fresh cryptographic code for that purchase. Because the code is tied to that transaction, a thief can’t…

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Why internet trolls score high on dark traits
Psychology

Why internet trolls score high on dark traits

Trolling can appeal to people high in traits such as sadism and psychopathy because provoking distress is part of the fun. Online distance makes the target’s…

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The Astrodome painted dying grass green before replacing it
Technology

The Astrodome painted dying grass green before replacing it

Reducing glare through the roof also reduced the sunlight reaching the field. As the grass deteriorated, crews temporarily colored it green; synthetic turf…

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The Witcher turned its glitchy horse into an April Fools star
Games

The Witcher turned its glitchy horse into an April Fools star

Roach's rooftop appearances and strange movements became so recognizable that CD Projekt Red built a 2016 joke video around her. It presented the horse's…

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Two diamonds can match physically and sell very differently
Technology

Two diamonds can match physically and sell very differently

A laboratory-grown diamond has essentially the same chemical structure and physical properties as a mined diamond. The market also prices origin, rarity, and…

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Bloodborne deeply demands highly aggressive blood splashing
Games

Bloodborne deeply demands highly aggressive blood splashing

Aggressive counterattacks let players regain health, making close-range fighting central to survival.

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How podcast networks inflate their listener numbers
Culture & entertainment

How podcast networks inflate their listener numbers

When networks bundle dozens of unrelated shows, they can present their combined downloads to sponsors as one large audience.

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