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Traditional Mahjong requires exactly 144 playing tiles
Culture & entertainment

Traditional Mahjong requires exactly 144 playing tiles

The set includes suited tiles as well as winds and dragons.

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Why headphones leave a dent in your hair
Games

Why headphones leave a dent in your hair

The headband presses your hair flat, leaving a groove that looks like a dent in your head but is really just flattened hair.

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Why a two-foot putt can suddenly become impossible
Psychology

Why a two-foot putt can suddenly become impossible

A short putt is easy to overthink because the goal looks so close that missing feels almost absurd. Under pressure, golfers may stop trusting the practiced…

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A litter-box parasite needs time to become infectious
Health

A litter-box parasite needs time to become infectious

Toxoplasma shed in cat feces typically takes one to five days to become infectious. That is why daily litter removal matters: it can interrupt the parasite's…

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How streamers become animated avatars
Technology

How streamers become animated avatars

Facial-tracking software maps creators’ expressions onto digital puppets, letting them stream as animated characters without showing their real appearance.

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Non playable characters rely on simple behavioral trees
Technology

Non playable characters rely on simple behavioral trees

Their apparent intelligence often comes from simple rules: approach the player, then swing a sword if attacked.

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Fake degrees are a lucrative business
Economy

Fake degrees are a lucrative business

A degree can look official and still come from a school that asks for no studying at all. Some unaccredited institutions take a flat fee and hand over a…

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First electronic television debuted in California
History

First electronic television debuted in California

An early California demonstration sent a straight line using electron beams. Television began with a picture so simple it barely had anywhere to go.

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First commercial oil well was drilled manually
History

First commercial oil well was drilled manually

A steam engine drove an iron bit that hammered into the ground until it hit oil just 69 feet down. The first commercial well didn’t need a modern rig—just a…

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Intuition operates faster than logic
Myths & mysteries

Intuition operates faster than logic

Mysticism often treats intuition as access to truth that bypasses deliberate reasoning, like trusting a gut answer before you can explain it.

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Cyberpunk imagined our corporate future
Technology

Cyberpunk imagined our corporate future

The genre imagined neon cities, unchecked corporate power and people absorbed in digital worlds—features that can now feel less like fantasy than everyday life.

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Hexagons maximize geometric efficiency
Myths & mysteries

Hexagons maximize geometric efficiency

Hexagons fit together without gaps, which is why bees use them in honeycomb; mystics also see the shape as a symbol of harmony.

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Some televangelists raise millions for private jets
Economy

Some televangelists raise millions for private jets

Followers are asked to pay for private planes that televangelists say will help them travel quickly and safely to spread their message. The pitch turns a jet…

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When an ovarian cyst suddenly ruptures
Health

When an ovarian cyst suddenly ruptures

A cyst can form on an ovary during the monthly cycle and remain unnoticed while it’s intact. If it ruptures, fluid or blood can irritate nearby tissue,…

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Extinction stops conditioned responses
Psychology

Extinction stops conditioned responses

A learned response can be weakened by letting the cue happen without the expected payoff. If a sound used to mean food, hearing it repeatedly with no food…

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Bears signify deep introspective phases
Myths & mysteries

Bears signify deep introspective phases

In this archetype, the bear’s long winter retreat symbolizes conserving energy and emerging renewed—an excuse, perhaps, to mute your phone and stay in bed.

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A US death-penalty case can cost more than life imprisonment
Economy

A US death-penalty case can cost more than life imprisonment

Capital trials require extra preparation and safeguards, followed by potentially lengthy appeals. Those legal costs can exceed the savings expected from a…

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Dutch directness can sound harsher than it's meant to
Travel

Dutch directness can sound harsher than it's meant to

Open disagreement and explicit opinions are often treated as useful communication rather than a relationship-ending insult. For a visitor used to hints and…

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