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How circuses advertised towns before the internet
Travel

How circuses advertised towns before the internet

Before digital marketing, aggressive hype required manual labor. Advance teams for touring shows would ride into a municipality weeks early and literally…

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The oldest recorded English clapping game
Games

The oldest recorded English clapping game

Dating back to at least 1698, this nursery rhyme has forced generations of infants into involuntary rhythmic clapping. It remains the ultimate tool for…

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Tetherball poles must be exactly ten feet tall
Games

Tetherball poles must be exactly ten feet tall

There are actual standardized regulations for strapping a volleyball to a rope and smacking it around a metal pipe. The pole has to be ten feet high, meaning…

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Why schools banned Red Rover
Games

Why schools banned Red Rover

This charming playground classic basically asked a line of third graders to form a fleshy barricade while another child charged them at full speed. Schools…

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Why balsa reed boats eventually sink
Transport

Why balsa reed boats eventually sink

Crafted by tying massive bundles of dried reeds together, these impressive vessels float beautifully right up until they don't. The plant matter relentlessly…

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Cinnamon is tree bark—literally
Economy

Cinnamon is tree bark—literally

Sprinkling bark on your oatmeal is totally normal. True cinnamon involves cutting down shoots of a specific tree, stripping the outer layer, and scraping the…

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Radioactive polonium is lethal in microscopic microscopic doses
Health

Radioactive polonium is lethal in microscopic microscopic doses

If you want a toxin that does maximum damage with minimal effort, polonium-210 is the reigning champion. Just a few micrograms ingested or inhaled will…

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Duckweed naturally doubles its biomass in forty hours
Economy

Duckweed naturally doubles its biomass in forty hours

Pond scum is secretly an agricultural powerhouse. Duckweed grows so aggressively fast that it completely covers standing liquid in days. Because it requires…

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Your wasabi is probably dyed horseradish
Economy

Your wasabi is probably dyed horseradish

Your sushi condiment is living a complete lie. Genuine wasabi is notoriously difficult to cultivate, requiring specific gravel beds and cool mountain streams.…

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First indoor ice hockey game occurred in a tight rink
History

First indoor ice hockey game occurred in a tight rink

The first organized indoor game took place in Montreal in 1875, and they had to use a flat wooden block instead of a ball just to keep it from flying into the…

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Thumb wrestling has an official global championship
Games

Thumb wrestling has an official global championship

What starts as a boring way to pass time in the backseat of a car is taken deadly seriously in Scotland, which hosts an annual World Championship. Grown…

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Special alloys block invisible magnetic fields
Technology

Special alloys block invisible magnetic fields

You can't just casually block a strong magnet; you need a highly specialized alloy that eats magnetism. Mu-metal is a nickel-iron blend with insanely high…

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How a vinyl record stores stereo sound
Technology

How a vinyl record stores stereo sound

Hearing left and right audio is just aggressively scratching the sides of a ditch. In a stereo vinyl record, the single continuous groove has a V-shape. The…

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The stadium built for 150,000 spectators
History

The stadium built for 150,000 spectators

The Rungrado 1st of May Stadium is the largest capacity stadium in the world. It is built to hold a completely absurd number of spectators, ensuring that any…

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When Sherlock Holmes died, fans went into mourning
Culture & entertainment

When Sherlock Holmes died, fans went into mourning

Imagine being so utterly unhinged by a fictional death that you enter an actual state of mourning. When Arthur Conan Doyle chucked Sherlock Holmes off a…

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You can eat pure gold
Science

You can eat pure gold

Billionaires rejoice: you can safely eat your wealth. Pure elemental gold is biologically inert, meaning it will completely ignore your digestive system and…

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Road trips are a surprisingly modern invention
Transport

Road trips are a surprisingly modern invention

Hitting the open road for fun is a surprisingly modern luxury. Before the interstate system was paved in the 1950s, driving between states meant navigating…

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Spirulina grows efficiently in highly alkaline ponds
Economy

Spirulina grows efficiently in highly alkaline ponds

Health gurus love algae that survives extreme toxicity. Spirulina thrives in waters so basic and salty that almost no other organisms can survive, making it…

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