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
Discovering Earth's crust boundary through quakes
Before 1901, our understanding of the Earth’s interior was roughly 'it’s deep and probably hot.' Then Andrija Mohorovičić looked at seismograms from a…
Discover more
The surgeon whose secret lasted until death
Dr. James Barry spent fifty years screaming at incompetent British military officials and performing the British Empire's first successful cesarean section…
Discover more
Slowing down gravity to prove Newton right
Isaac Newton said objects accelerate at a uniform rate, but dropping a rock off a building happens too fast for 18th-century stopwatches to prove it. George…
Discover more
Amsterdam nuns claimed demonic possession via cursed bread
In 1566, the nuns of Amsterdam's St. Ursula convent didn't just have a bad carb day; they sparked a bizarre microhistory of institutional possession. After…
Discover more
Why fear can feel like attraction
Your brain is remarkably stupid when it comes to figuring out why your heart is racing. Stanley Schachter injected people with adrenaline and then stuck them…
Discover more
The disaster that advanced eye surgery
When a munitions ship exploded in Halifax harbor in 1917, the shockwave shattered virtually every window in the city. Since everyone had been staring out…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
The doctor who turned preserved body parts into dioramas
Frederik Ruysch didn't just preserve corpses; he turned them into macabre art pieces using a secret chemical cocktail. By injecting a hardened red wax mixture…
Discover more
The trailer that tried to be a truck and a train
Freight companies looked at trains and trucks and decided to aggressively mash them together into one incredibly heavy compromise. The Roadrailer system…
Discover more
The balloon ride that revealed cosmic radiation
In 1912, Victor Hess looked at the radiation mysteriously frying his electrometers and decided the only logical next step was to ride a hot air balloon three…
Discover more
How a summer camp turned boys into rival gangs
Before reality TV, Muzafer Sherif threw 22 boys into an isolated camp, split them into two gangs, and manipulated them into Lord of the Flies-style warfare…
Discover more
The weight-loss surgery that caused liver failure
In the 1970s, surgeons decided the best way to treat obesity was to basically unplug the digestive tract and pray for the best. The jejunoileal bypass…
Discover more
Color TV debuted with a puppet show
When RCA finally figured out how to transmit a compatible color television signal in 1953, they didn't unveil this world-changing technology with an epic…
Discover more
Why Bunong families share homes with livestock
Personal space is a hilarious modern myth inside the traditional Bunong longhouses of Mondulkiri. These massive, windowless thatch tubes curve almost to the…
Discover more
Why tourists brave Kawah Ijen's blue fire
Giving yourself a minor respiratory injury is a small price to pay for an aesthetic midnight photo of electric blue fire. Tourists wake up at midnight to…
Discover more
Stalin executed an economist for predicting capitalism's recovery
In the 1920s, Soviet economist Nikolai Kondratiev made the fatal mistake of doing his job too well. After exhaustively analyzing global markets, he…
Discover more
Ocean currents move sideways to the actual wind
If you blow on your hot soup, the liquid moves forward. If the wind blows across the ocean, the water moves sideways, because the Earth spins and fluid…
Discover more
The woman who bottled the greenhouse effect
Decades before guys in lab coats started arguing over carbon emissions, an amateur scientist named Eunice Foote literally bottled global warming. In 1856, she…
Discover more
Norway's road with 13 terrifying hairpin turns
Sweaty palms and grinding gears are the main attractions on the Stalheimskleiva, one of Northern Europe's steepest roads. Built by hand in the 1840s, this…
Discover more
The ice tubes once prescribed for hysteria
Victorian medicine was basically just expensive torture wrapped in a veneer of pseudo-intellectualism. Enter Dr. John Chapman and Dr. Clark, who marketed long…
Discover more
Earthquakes revealed Earth's solid inner core
Until 1936, scientists thought the Earth was just a hollow shell of rock filled with a big, slushy magma center. Enter Inge Lehmann, a brilliant Danish…
Discover more
Robert Paul's Animatograph birthed the cinema hall
Before we had to mortgage a house for theater popcorn, Robert W. Paul was hijacking British music halls with his Animatograph. In 1896, Paul figured out that…
Discover more
The Dutch village shaped like a perfect star
Obsessive-compulsive map nerds absolutely lose their minds over Bourtange, a Dutch village shaped like a flawless, geometric star. Originally built in 1593 to…
Discover more
Percy Ludgate designed a rival analytical engine in 1909
An Irish accountant completely missed the memo about Charles Babbage and independently invented a Victorian mechanical computer. In 1909, Percy Ludgate…
Discover more
Radar began as a way to track thunderstorms
The revolutionary radar interface that saved Britain in WWII was originally just a tool meant to help pilots dodge bad weather. Robert Watson-Watt wasn't…
Discover more