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What makes a fire sprinkler suddenly release water
Technology

What makes a fire sprinkler suddenly release water

When a building decides to stop burning down, it is typically because a fragile colored bubble finally burst. Each ceiling nozzle contains a small glass vial…

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Why Playboy’s first issue had no date
Culture & entertainment

Why Playboy’s first issue had no date

Confidence is key, unless you are launching a controversial men's lifestyle empire. Hugh Hefner famously omitted the date on the cover of his inaugural 1953…

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How farmers draw corn mazes without high-tech tools
Culture & entertainment

How farmers draw corn mazes without high-tech tools

Wandering aimlessly through a freezing field is the result of painstaking agricultural mathematics. Before high-tech tools existed, farmers would…

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Why Dalmatians once ran beside horse carriages
History

Why Dalmatians once ran beside horse carriages

Before becoming the entirely arbitrary mascot of modern fire departments, these violently energetic spotted dogs served as a primitive car alarm. Dalmatians…

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Triathlon transitions are timed strictly like the race
Games

Triathlon transitions are timed strictly like the race

Changing your clothes has never been more stressful. In professional multi-sport events, the time spent peeling off a wetsuit and strapping on a bike helmet…

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Why cash feels harder to spend than cards
Psychology

Why cash feels harder to spend than cards

Handing over physical paper money activates areas of the brain associated with acute loss. Swiping a plastic card feels like a fun arcade game, heavily…

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Why professional clown shoes are made by hand
Economy

Why professional clown shoes are made by hand

Looking completely ridiculous is surprisingly pricey. Because giant, floppy footwear cannot be mass-produced efficiently, performers must hire specialized…

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Pigeons can win million-dollar races
Economy

Pigeons can win million-dollar races

While city dwellers treat them as flying nuisances, a wealthy demographic treats these birds like luxury sports cars. The competitive bird racing economy…

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Automotive engines arrange cylinders in a V to save space
Technology

Automotive engines arrange cylinders in a V to save space

To jam massive horsepower into a tiny metal box, engineers just aggressively folded the block in half. Instead of lining up eight heavy pistons in an…

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Sun visors pull out and slide on a metal rod
Transport

Sun visors pull out and slide on a metal rod

Congratulations, your sun visor is secretly a telescope. If unhooking the visor and swinging it to the side window still leaves glaring sunlight blinding your…

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The CN Tower has a time capsule sealed inside
Travel

The CN Tower has a time capsule sealed inside

High above the clouds, buried inside the walls of the observation deck, sits a bizarre collection of items meant to confuse future generations. Placed during…

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The mysterious footrest beside your car’s pedals
Transport

The mysterious footrest beside your car’s pedals

There is a completely useless lump of plastic permanently glued to the far left side of your footwell. Known as the 'dead pedal,' it has absolutely zero…

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Why pure water barely conducts electricity
Science

Why pure water barely conducts electricity

Completely pure entirely distilled liquid water practically completely ignores intense electric currents. It is heavily only the entirely random completely…

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Your brain has a region devoted to faces
Psychology

Your brain has a region devoted to faces

The fusiform face area exists solely to parse facial features, which explains why we instantly recognize a friend but spend ten minutes looking for our car…

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Kabir rejected major religions to weave garments for God
Myths & mysteries

Kabir rejected major religions to weave garments for God

Infuriating both orthodox priests and clerics simultaneously takes a very special kind of talent. This fifteenth-century poet fiercely mocked empty rituals…

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Late night talk shows burn massive daily production budgets
Economy

Late night talk shows burn massive daily production budgets

Hiring a charismatic host to sit behind a desk and chat with celebrities is surprisingly expensive to execute every single night. The overhead includes…

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Chia Pets sprout seeds on grooved terracotta figurines
Travel

Chia Pets sprout seeds on grooved terracotta figurines

The ultimate late-night infomercial staple relies on incredibly basic ancient agricultural tricks. The famous figurines are just porous clay sculpted with…

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Ferris wheel cars hang from a single pin
Transport

Ferris wheel cars hang from a single pin

That massive, slow-moving wheel of romance relies on a terrifyingly simple pivot. Each passenger gondola is suspended from the outer ring by a single, heavily…

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