The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Anal canal utilizes internal and external control valves
Two ring-shaped muscles help control the anal canal: one works automatically, and the other can be consciously tightened or relaxed. The outer muscle gives…
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Soulmates are rarely actual romantic life partners
A soulmate may be a frustrating friend rather than a lover, someone who pushes you toward personal growth instead of a fairy-tale romance.
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The tiny pins that keep a padlock locked
Inside a pin-tumbler lock, the key lifts spring-loaded pins until they line up at the cylinder’s shear line, letting it turn.
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Florida pays trained hunters to remove invasive pythons
The South Florida Water Management District runs a removal program with paid agents on designated lands. The work targets a predator that consumes native…
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Self-discipline is a shockingly rare personality trait
Self-discipline is the trait that lets someone leave the phone in another room and finish the work. It varies from person to person, and the people who seem…
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Mars takes nearly two Earth years to orbit the sun making its aggressive transits last significantly longer
Mars takes roughly 687 days to orbit the sun, and its transits through zodiac signs can last for weeks or months, especially when it goes retrograde.
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Why a brass saxophone is a woodwind
It belongs to the woodwind family because a vibrating cane reed produces its sound; brass instruments use the player's lip-buzz instead.
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Your eyes can disagree with your inner ears on a journey
Reading in a moving car gives your eyes a mostly stationary page while your balance organs detect motion. That mismatch is central to explanations of motion…
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Arterial embalming uses the circulation system as a delivery route
Preservative solution is introduced through arteries while blood is drained through a vein. The vascular network helps distribute chemicals through tissues,…
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Catherine of Siena mailed aggressive policy demands to Rome
She urged the pope to move his administration back to Rome, using forceful letters that made her a medieval political lobbyist.
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A prison dog got a mug shot and an inmate number
Pep arrived at Eastern State Penitentiary in 1924 and was recorded as C-2559. A sensational story said the governor had sentenced him for killing a cat; the…
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Intestinal microvilli act as a microscopic velvet lining
As digested food passes through, nutrients meet the intestine's lining and move into the body. Microvilli make that lining much more extensive by covering it…
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Scorpio hides favorite snacks in obscure cabinets
A Scorpio may hide premium cookies behind old cans of beans and see finding the stash as a serious breach of trust.
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Fructose fails to trigger satiety signals like glucose
Fructose may be less effective than glucose at prompting the signals that help you feel satisfied. That difference can make it easier to consume more before…
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Ground effect drastically boosts lift near landing strips
Close to the ground, a wing’s downwash has less room to spread, which reduces drag from making lift. The aircraft feels more buoyant near the runway—the air…
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Fake wrestling was already huge in the 1920s
In the 1920s, scripted, melodramatic matches packed arenas. The drama was already doing the heavy lifting, decades before flashy entrances and folding chairs…
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Chariot Tarot driver steers without holding any reins
The driver sits between two large beasts without holding the reins, relying on willpower to control the chariot.
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Using a steering wheel controller to play shooter titles
A steering wheel can make a shooter game absurdly difficult: every attempt to line up a sniper shot means cranking a controller built for driving.
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Your liver makes clotting proteins while managing fuel
It processes substances arriving in the blood, produces bile, and stores or releases energy supplies. These jobs run alongside its work on medicines and other…
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Suya is a spicy meat skewer coated in peanut spice
Suya gets its punch from a coating of crushed peanuts, ginger, and chilies, then it’s grilled until charred.
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Bail recovery turns a missed court date into someone's financial risk
Where commercial bail and recovery agents are permitted, a surety can face losing money if a defendant fails to appear. Returning the person can reduce that…
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Heat shock proteins repair severe thermal damage
High heat can make a cell’s proteins lose their working shape. Heat shock proteins bind to some of the damaged proteins and help them refold, like a repair…
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A chain-link fence can send bullets ricocheting
Bullets can strike the wires in a chain-link fence and ricochet off course instead of passing straight through.
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Linux was almost called Freax
Torvalds combined “free,” “freak” and “X” to come up with Freax. A volunteer FTP administrator disliked the name and renamed the server directory “Linux”…
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