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The man who turned a corpse into his bride
Health

The man who turned a corpse into his bride

Dr. Carl Tanzler took 'till death do us part' entirely too literally. Obsessed with a young tuberculosis patient, he dug up her corpse, wired her decaying…

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The room-sized machine that secured Churchill's calls
Technology

The room-sized machine that secured Churchill's calls

What started as a boring way to cram more phone calls onto expensive copper wires ended up securing the most sensitive conversations of World War II. Homer…

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How record labels bought rock's radio time
Culture & entertainment

How record labels bought rock's radio time

Rock and roll didn't conquer the world through sheer artistic merit; it bribed its way to the top. In the late 1950s, record labels were throwing cash,…

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The Nile once had pedal-powered ferries
Transport

The Nile once had pedal-powered ferries

While the West was busy building jetpacks and hovertrains, Egyptian architect Ramses Wissa Wassef took a hard left into low-tech genius. He designed…

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A medieval Sardinian law let women refuse forced marriages
History

A medieval Sardinian law let women refuse forced marriages

While medieval men were busy jousting and dying of the plague, a Sardinian leader named Eleanor was drafting the Carta de Logu. Enacted in 1392, her legal…

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Josephine Baker hid Nazi secrets in invisible ink
History

Josephine Baker hid Nazi secrets in invisible ink

Being a world-famous Black cabaret star in Paris is cool, but weaponizing your fame against the Nazis is iconic. Josephine Baker used her celebrity status to…

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The woman who corrected Newton's energy formula
Science

The woman who corrected Newton's energy formula

Isaac Newton was a genius, but he actually fumbled the formula for kinetic energy. It took Émilie du Châtelet, an 18th-century French aristocrat, gambler, and…

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The pilgrim passport created to stop food thieves
Travel

The pilgrim passport created to stop food thieves

The Camino de Santiago's 'credencial' might seem like a cute, modern stamp-collecting habit for spiritual hikers, but its origins are purely anti-fraud.…

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Talking to yourself can help with difficult tasks
Psychology

Talking to yourself can help with difficult tasks

Society loves to label adults who talk to themselves as unhinged, but Lev Vygotsky knew you were just doing high-level brain maintenance. He observed that…

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The altruism equation that haunted George Price
Science

The altruism equation that haunted George Price

Most scientists just publish a paper and go to happy hour. George Price wrote an elegant mathematical equation proving that biological altruism is just…

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The two-headed chicken that sparked panic in Rome
History

The two-headed chicken that sparked panic in Rome

You’d think Renaissance politicians would base their decisions on actual military intelligence. But in 1527, Italian officials panicked over a chicken born…

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Why metal prices are still set by shouting
Economy

Why metal prices are still set by shouting

You might assume the global price of industrial metals is calculated by an advanced supercomputer processing terabytes of supply chain data. You would be…

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How Japan's rail pass subsidized foreign tourists
Travel

How Japan's rail pass subsidized foreign tourists

For decades, the Japan Rail Pass was the single greatest cheat code in global travel, allowing tourists to ride ultra-expensive bullet trains for pennies on…

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Aleksandr Chizhevsky blamed human revolutions on the sun
Myths & mysteries

Aleksandr Chizhevsky blamed human revolutions on the sun

Blaming your terrible text messages on Mercury retrograde is amateur hour. Soviet biophysicist Aleksandr Chizhevsky went all in, mapping 500 years of solar…

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The empire that auctioned off tax collection
Economy

The empire that auctioned off tax collection

Why bother establishing a functioning IRS when you can just crowdsource extortion? The Ottoman Empire perfected the art of lazy governance through "iltizam,"…

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Hilma af Klint invented abstract art on ghost orders
Myths & mysteries

Hilma af Klint invented abstract art on ghost orders

The art history books will smugly tell you Wassily Kandinsky invented abstract painting, completely ignoring a Swedish mystic who beat him to the punch. Hilma…

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Bitcoin's anti-spam idea came before Bitcoin
Economy

Bitcoin's anti-spam idea came before Bitcoin

In 1997, Adam Back invented a brilliant anti-spam mechanism called Hashcash that required your computer to solve a tiny math puzzle before sending an email.…

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The tree that fooled a scientist about where wood comes from
Science

The tree that fooled a scientist about where wood comes from

In the 1600s, Jan Baptist van Helmont wanted to know how plants grow. He weighed some dirt, planted a willow sapling, and watered it for five years. The tree…

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