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Why 3D worlds use flat images
Technology

Why 3D worlds use flat images

To create the illusion of depth, games often rotate flat sprites to face you, hiding the fact that they have no back.

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Why focus groups can flatten a complicated story
Culture & entertainment

Why focus groups can flatten a complicated story

When viewers find a morally ambiguous character confusing, executives may add scenes that spell out the character’s motives. The trade-off is less mystery in…

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Rubbing a lemon on yourself absorbs bad vibes
Myths & mysteries

Rubbing a lemon on yourself absorbs bad vibes

In this practice, an uncut lemon is waved over the body to absorb negative energy from the aura, then discarded as if it took the hit.

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A Victorian family's only portrait might come after death
History

A Victorian family's only portrait might come after death

Post-mortem photographs preserved the likeness of a person whose family might never have obtained a living portrait. Many show the deceased resting or laid…

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Sunday brings intense Sun main character vibes
Myths & mysteries

Sunday brings intense Sun main character vibes

In this astrology-based stereotype, Sunday’s association with the Sun turns the day into a spotlight: expect vanity, carefully lit selfies, and neglected…

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How gut bacteria talk to your brain
Science

How gut bacteria talk to your brain

Gut microbes make chemicals that gut cells and nerves can detect. Signals also travel through hormones and the immune system, with the vagus nerve providing…

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Half-Life protagonist Gordon Freeman has never spoken a word
Games

Half-Life protagonist Gordon Freeman has never spoken a word

Gordon Freeman never speaks, even while fighting an alien invasion. His signature red crowbar does the talking.

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Hitman guards can catch what you thought was happening behind them
Culture & entertainment

Hitman guards can catch what you thought was happening behind them

In the World of Assassination games, mirrors can let characters notice actions outside a direct forward view. Sounds also make guards turn and investigate.…

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Supertasters experience bitter flavors overwhelmingly
Psychology

Supertasters experience bitter flavors overwhelmingly

A bitter vegetable may be a faint edge to one person and the entire meal to a supertaster. Their taste system responds more strongly to certain bitter…

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Ninja Warrior obstacles require professional testing
Culture & entertainment

Ninja Warrior obstacles require professional testing

Professional climbers and athletes test the obstacles. If too many testers clear one, designers adjust it.

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The fake passports sold by unrecognized countries
Economy

The fake passports sold by unrecognized countries

People pay for travel documents issued by self-declared countries, but real governments don’t recognize them. At an actual border, the passport can get its…

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Vatican City is the smallest fully independent global state
Myths & mysteries

Vatican City is the smallest fully independent global state

You can walk across the walled enclave in less than 20 minutes; it also issues its own euro coins and runs its own post office.

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Glass can be spun into fabric
Technology

Glass can be spun into fabric

Molten glass is pushed through tiny holes into flexible threads that can be woven into fabric. Coated in resin, the material hardens into lightweight…

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An interest ban made loan contracts more inventive
History

An interest ban made loan contracts more inventive

Medieval Christian restrictions on usury did not eliminate the need for credit. Merchants used arrangements such as bills of exchange, in which returns could…

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Sega thirty-two expansion required heavy spacer plates
Games

Sega thirty-two expansion required heavy spacer plates

The add-on needed heavy spacer brackets to prevent electromagnetic interference, making installation feel more like a basement hardware project than…

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Your body makes a liter of mucus a day
Health

Your body makes a liter of mucus a day

Mucus is a sticky filter lining your airways: it traps dust and debris, then tiny hairs help move it up toward the throat. Most of it ends up swallowed…

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Contra-antiscia are equinox mirrors ignoring each other
Myths & mysteries

Contra-antiscia are equinox mirrors ignoring each other

Contra-antiscia points are mirrored across the equinox axis and are said to rise at opposite times. Astrologers interpret that relationship as a disconnect…

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Eliminating tiny risks while ignoring massive ones
Psychology

Eliminating tiny risks while ignoring massive ones

You can spend ten minutes checking a minor hazard and barely think about a risk that is far more serious but less visible. Concrete threats are easy to…

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