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Ancient Romans wore amulets shaped like giant phalluses specifically to ward off the mystical curse of the evil eye
Myths & mysteries

Ancient Romans wore amulets shaped like giant phalluses specifically to ward off the mystical curse of the evil eye

The charm was called a fascinus and was worn by everyone from babies to military generals. Romans believed its provocative shape could distract the evil eye.

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Tarot cards are frequently lumped in
Myths & mysteries

Tarot cards are frequently lumped in

Tarot uses a deck of cards for divination, while astrology interprets the positions of celestial bodies. The practices are distinct, even when stores shelve…

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Official wizard wands are essentially expensive twigs
Culture & entertainment

Official wizard wands are essentially expensive twigs

Theme parks sell molded resin and wood wands that don’t do anything; for many buyers, they’re keepsakes to display their house pride.

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Shouting carries heat—but makes a terrible kettle
Science

Shouting carries heat—but makes a terrible kettle

Sound transfers energy through vibrations. If a drink absorbs that energy, a tiny amount becomes heat, but an ordinary voice supplies far too little to warm a…

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Why Muse leaves gasping breaths in its songs
Culture & entertainment

Why Muse leaves gasping breaths in its songs

Matt Bellamy's gasping breaths before the vocals are deliberately left in the final mixes, adding a frantic, human edge to the songs.

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Ikkyu mocked fake practitioners with relentless sarcasm
Myths & mysteries

Ikkyu mocked fake practitioners with relentless sarcasm

He carried a large wooden sword to mock hypocritical monks who claimed spiritual authority, and spent time in taverns rather than among the religious elite.

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Hatsune Miku is a hologram pop idol
Culture & entertainment

Hatsune Miku is a hologram pop idol

Her concerts draw millions of fans, even though Miku is a digital projection with a synthesized voice rather than a living singer.

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Bandwidth dictates absolute maximum data capacity
Technology

Bandwidth dictates absolute maximum data capacity

Bandwidth is the maximum amount of data a connection can carry in a given time, not how quickly individual data travels. Think capacity, not travel speed: a…

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The ruthless math behind choosing the best option
Science

The ruthless math behind choosing the best option

Imagine hiring candidates in random order, with no chance to revisit anyone. You first reject about 37% just to learn what “good” looks like, then accept the…

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Green mucus doesn’t automatically mean you need antibiotics
Health

Green mucus doesn’t automatically mean you need antibiotics

White blood cells release myeloperoxidase, an enzyme that can give mucus a green color as they respond to infection. That color can show up with viral or…

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Pointing a laser at an aircraft is a major crime
Transport

Pointing a laser at an aircraft is a major crime

A laser beam spreads across a cockpit and can dazzle pilots just as they manage takeoff or landing. In the U.S., aiming one at an aircraft is a federal crime:…

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Distant icy rock representing absolute petty chaos
Myths & mysteries

Distant icy rock representing absolute petty chaos

Astrology associates this distant solar-system body with discord and disruption, casting it as a cosmic troublemaker.

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Myocardium constitutes the absolute thickest cardiac layer
Health

Myocardium constitutes the absolute thickest cardiac layer

The myocardium is the heart wall’s thick middle layer, made of muscle. When it contracts, it squeezes blood out of the heart; the thinner layers inside and…

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I spy builds early childhood cognitive categorization
Games

I spy builds early childhood cognitive categorization

Picking an object by color makes children scan a scene and sort what they see by an attribute, turning a road-trip game into practice in visual categorization.

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Proof of stake makes a validator put money behind its work
Technology

Proof of stake makes a validator put money behind its work

On Ethereum, validators deposit ether and receive rewards for carrying out consensus duties. Missed duties can cost rewards, while specified dishonest…

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Letting a printed booklet control your outfit
Myths & mysteries

Letting a printed booklet control your outfit

Some printed astrology guides offer daily clothing advice, such as wearing green to avoid minor hassles.

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Esoteric systems entirely ignore your ego
Myths & mysteries

Esoteric systems entirely ignore your ego

This approach sets aside personality traits to focus on the soul’s spiritual purpose, assuming basic human desires have already been mastered.

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Why one Bunraku puppet needs three puppeteers
History

Why one Bunraku puppet needs three puppeteers

A Bunraku puppet has to move like one body, so its work is split among three people: one handles the feet, another the left arm, and the lead puppeteer…

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