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Giant Canadian valley spans a long distance
History

Giant Canadian valley spans a long distance

The Rocky Mountain Trench is a massively long, completely straight geological depression stretching nearly a thousand miles through British Columbia. Visible…

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Why planes use different altitude layers
Transport

Why planes use different altitude layers

To keep planes from kissing mid-air, westbound routes take even altitudes while eastbound take odd ones. It is a giant invisible layer cake of organization in…

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Why a winning streak feels like a superpower
Psychology

Why a winning streak feels like a superpower

Landing three lucky shots in a row suddenly convinces everyone you are a deity of pure skill. The hot hand fallacy makes people believe that a random winning…

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Why alternating current won the electricity war
Technology

Why alternating current won the electricity war

Thomas Edison lost the electricity war because his rival figured out how to easily pump up the pressure. Direct current required massive cables and frequent…

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Tunnel boring machines push forward using hydraulic jacks
Technology

Tunnel boring machines push forward using hydraulic jacks

Carving through a massive mountain is accomplished by a giant mechanical worm violently pushing off its own installed waste. As the spinning cutter head chews…

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The invisible line that divides Indonesia's wildlife
History

The invisible line that divides Indonesia's wildlife

Running strictly between certain Indonesian islands is the Wallace Line, a completely invisible biological boundary where the local fauna drastically changes.…

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Badminton was named after a duke's estate
Games

Badminton was named after a duke's estate

Swatting a feathered cone over a net sounds ridiculous, and its history matches. British military officers brought the concept back from India and played it…

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Why hippos travel miles inland at night
Science

Why hippos travel miles inland at night

Despite spending the daylight hours lazily submerged in muddy pools, these massive hostile potatoes haul their enormous bulk onto land in the dark. They stomp…

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The fiery origin of hot potato
Games

The fiery origin of hot potato

Frantically passing an object around a circle taps into a very real fear of suffering third-degree burns. The origins stem from the desperate tossing of hot…

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Cities convert streetlights to LED to slash upkeep
Economy

Cities convert streetlights to LED to slash upkeep

Local governments did not suddenly care about the visual ambiance of your street; they just hated paying for bucket trucks. The massive shift to harsh, bright…

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Your dog’s MRI may have scanned human brains first
Economy

Your dog’s MRI may have scanned human brains first

When a major hospital upgrades its diagnostic equipment to the newest shiny model, the old multi-million-dollar magnet does not go to the scrapyard. It gets…

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Why movie babies often come in pairs
Culture & entertainment

Why movie babies often come in pairs

Infants are notoriously terrible at following even the most basic directions. Because stringent labor laws restrict exactly how long a single baby can be…

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Why growing pains often strike at bedtime
Health

Why growing pains often strike at bedtime

Children don't ache while running around; the throbbing only kicks in when they finally lie down. It turns out that rapid bone elongation forcefully stretches…

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How city kids turned walls into tennis opponents
Games

How city kids turned walls into tennis opponents

Slapping a tennis ball against a brick façade is the quintessential pastime of cramped city living. Lacking wide-open green spaces, kids adapted by using the…

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Keepy uppy is a desperate battle against gravity
Games

Keepy uppy is a desperate battle against gravity

Preventing a balloon from touching the carpet requires the agility of a professional athlete and the panic of a trapped animal. This chaotic activity…

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NASA's Opportunity crawled 28 miles across Mars
Transport

NASA's Opportunity crawled 28 miles across Mars

It took an advanced robotic rover over fourteen years to travel the distance of a mediocre marathon. It slowly crawled across barren red dirt until a massive…

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Cassini threaded the gap between Saturn and its rings
Transport

Cassini threaded the gap between Saturn and its rings

In a brilliant display of cosmic recklessness, scientists steered their beloved billion-dollar camera right through the rocky debris of Saturn's rings. They…

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Canada geese travel thousands of miles in rigid formations
Science

Canada geese travel thousands of miles in rigid formations

Known primarily as aggressive park menaces, these incredibly loud birds band together to terrorize the skies. They fly relentlessly toward better breeding…

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