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
The ocean liner that became a floating bookstore
Built in 1914—just two years after the Titanic sank—the M.V. Doulos somehow managed to survive two world wars, multiple renamings, and a stint as a luxury…
Discover more
Mirrors made early animation smoother
The early Zoetrope was fun until the flickering gave you a Victorian migraine. Enter Émile Reynaud in 1877 with the Praxinoscope. By replacing the dreadful…
Discover more
The flying-car scam that fooled investors
Long before Silicon Valley bros were promising flying cars, Clifford C. Brooks was out here running the ultimate aeronautical grift. In the mid-20th century,…
Discover more
How high voltage can make an object fly
When Thomas Townsend Brown pumped extreme high voltage into an asymmetrical capacitor, it suddenly decided it wanted to fly. For decades, UFO enthusiasts and…
Discover more
When geopolitics closed the road to Kathmandu
Long before the "Hippie Trail" became a total cliché of the 1970s, the original overland route through the Middle East was abruptly strangled by cold, hard…
Discover more
The explorer who survived on camel urine
Central Asian exploration wasn't glamorous; it was a masterclass in terrible planning. In 1895, Sven Hedin led his caravan into the blistering Taklamakan…
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.
Some radio signals echo back 40 seconds later
Sometimes, when you shout into the cosmic void, it waits an uncomfortably long time before shouting back. The long delayed echo phenomenon occurs when radio…
Discover more
How Jack Horkheimer turned astronomy into late-night camp
Nobody expected a guy with severe degenerative lung disease to become the most energetic man on late-night public television. Jack Horkheimer hosted 'Star…
Discover more
How 29 reindeer became 6,000 then 43
Drop an invasive species into a predator-free paradise, and they'll aggressively consume their way to an apocalypse. In 1944, the Coast Guard left 29 reindeer…
Discover more
Why nuclear trains never made it to the tracks
Handing out mobile nuclear reactors to freight companies sounded like a brilliant atomic-age dream until engineers remembered physics. Studies during…
Discover more
The nuclear war film the BBC kept off television
Imagine making a movie so terrifyingly accurate that the government steps in to protect the fragile psyche of the public. That is exactly what happened to…
Discover more
An Ottoman traveler reported vampires fighting witches
If you're going to write a ten-volume travel log, you might as well throw in a massive supernatural war just to see if your editor is paying attention. Evliya…
Discover more
When submarines communicated with underwater bells
Decades before sonar became a slick Hollywood movie staple, early submarine communication relied on the highly sophisticated method of ringing underwater…
Discover more
How analog video made those glowing ’70s logos
Before pixels ruined the magic of television, graphic designers had to essentially weaponize math. The Scanimate didn't render images; it manipulated analog…
Discover more
The robot typewriters that billed Memphis for trash
If you think municipal government tech is hilariously outdated now, you should have seen it in the 1930s. Long before software could automate mass mailings,…
Discover more
How a beard got a fake doctor into Tibet
Sneaking into 19th-century Tibet was supposed to be impossible for Europeans, but Thomas Manning bypassed strict border security using sheer audacity. He grew…
Discover more
Lightning can leave tree-like marks on your skin
Surviving a massive electrical strike doesn't just leave a cool story; it gives you Mother Nature's most aggressive form of involuntary body modification.…
Discover more
How hut taxes pushed Africans into wage labor
If you've ever wondered how to forcefully drag self-sustaining farmers into the glorious capitalist machine, the British Empire has a deeply cynical…
Discover more
The TV joke that made children rob their parents
In a move that proved live television was a beautifully lawless wasteland, children's host Soupy Sales looked directly into the camera in 1965 and instructed…
Discover more
British pilgrim passports were used to track activists
Nothing says "religious freedom" quite like colonial surveillance wrapped in bureaucracy. The British Raj didn't implement the Hajj pilgrim passport system to…
Discover more
Tiny balloons opened blocked arteries
Open heart surgery used to be the only fix for clogged arteries until Andreas Gruentzig decided to play balloon animal inside the human vascular system. In…
Discover more
When filming a TV screen was broadcast technology
It sounds like something your technologically illiterate uncle would do, but pointing a 16mm camera at a television monitor was once the height of broadcast…
Discover more
Pilots followed a trench across the Iraqi desert
Before GPS and advanced avionics, navigating a featureless desert from the sky was basically a high-speed guessing game. Imperial Airways solved this in 1924…
Discover more
The controversial inventor who put sound in movies
History loves a lone genius, but Lee de Forest was mostly just a fantastic plagiarist with a massive ego. Though he proudly claimed the title 'Father of…
Discover more