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KISS promoted a comic with their own blood in the ink
Culture & entertainment

KISS promoted a comic with their own blood in the ink

For the band's 1977 Marvel comic, blood drawn from its members was added to red printing ink in a photographed publicity event. The comic sold a superhero…

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Tetris is named after four and tennis
Games

Tetris is named after four and tennis

The name combines “tetra,” for the game’s four-block shapes, with “tennis,” the creator’s favorite sport.

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Group bargaining stalls until someone acts first
Economy

Group bargaining stalls until someone acts first

Everyone waits for someone else to name a price. Then the first offer lands, and it can anchor what the group considers reasonable for the rest of the…

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Cartesian coordinates map endless worlds
Science

Cartesian coordinates map endless worlds

A game does not need a separate picture for every possible place a character can go. It gives the character coordinates—numbers for position along three…

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Hydrogen peroxide naturally decays into water and oxygen
Science

Hydrogen peroxide naturally decays into water and oxygen

Hydrogen peroxide slowly breaks apart into water and oxygen, and light, heat, or tiny contaminants can speed the process. That’s why it often comes in an…

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Building houses facing east pleases the gods
Myths & mysteries

Building houses facing east pleases the gods

In some traditions, aligning a home's doors and windows with specific directions is believed to invite prosperity and keep bad luck away.

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Why wearing red can make you seem more attractive
Psychology

Why wearing red can make you seem more attractive

Red can change how a person is perceived before they say a word. Some studies have found that men rate women in red as more attractive, in part because the…

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Pool halls got their name from gambling pools
Games

Pool halls got their name from gambling pools

The name comes from betting pools: early billiard rooms were associated with group wagering, not just the game.

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Why self-deprecation can hurt your dating chances
Psychology

Why self-deprecation can hurt your dating chances

Calling yourself boring or unattractive on a date can sound like a joke, but it also hands the other person a job: contradict you, reassure you, or agree.…

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Potala Palace contains thousands of painted scrolls
History

Potala Palace contains thousands of painted scrolls

The thousands of intricate painted scrolls are housed in a sprawling, multistory complex high on a mountain.

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Why broken games get the same apology graphic
Games

Why broken games get the same apology graphic

After a troubled launch, studios may post somber, black-background text graphics on social media asking players for patience.

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Why printing money doesn't always cause inflation
Economy

Why printing money doesn't always cause inflation

New money can sit in bank reserves instead of being spent in shops. If it doesn’t circulate through everyday purchases, it may not push up the prices shoppers…

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An injured knee helped turn a kicking game into Hacky Sack
Games

An injured knee helped turn a kicking game into Hacky Sack

John Stalberger met Mike Marshall in Oregon in 1972 while recovering from a knee injury. Keeping a small bag in the air became both exercise and an absorbing…

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Pie crusts were once just medieval Tupperware
History

Pie crusts were once just medieval Tupperware

Some medieval meat pies used thick pastry shells as cooking vessels and storage containers rather than as the part diners were meant to enjoy. The crust held…

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Why an old rotary phone can still work today
Technology

Why an old rotary phone can still work today

Its dial sends electrical pulses that many telephone switches can still recognize—but only if you can connect it to a working copper phone line.

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Extreme bird watchers spend heavily on high end optics
Economy

Extreme bird watchers spend heavily on high end optics

For some bird watchers, the expensive part isn’t the bird. It’s the binoculars, telephoto lens and waterproof equipment needed to spot distant or rare ones…

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Xbox 360 external power brick is absurdly massive
Games

Xbox 360 external power brick is absurdly massive

The external adapter was a separate, heavy block of circuitry that took up space behind the entertainment center.

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Pilgrims were once simply strangers abroad
Science

Pilgrims were once simply strangers abroad

The old root of “pilgrim,” peregrinus, meant a foreigner or traveler; the word later narrowed to someone journeying to a holy place. Leave home and cross…

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