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

A moving flashlight doesn’t make its beam travel faster
Moving the flashlight adds speed to the beam in everyday intuition, but light doesn’t work that way. Observers moving relative to one another measure distance…
Discover more
A legendary linen cloth bears a mysterious negative image
Its image’s origin remains fiercely debated, and the cloth is kept under heavy security in Italy.
Discover more
An authentic medieval sword is permanently embedded in rock
It sits in the ruins of an Italian chapel, driven into the bedrock up to its hilt.
Discover more
A teaspoon of soil teems with a billion microbes
A teaspoon of soil is a patchwork of tiny habitats, not a uniform scoop. Grains and pores hold different amounts of water, oxygen, and food, so microbes…
Discover more
Friends was almost called Six of One
Producers considered several longer titles before settling on *Friends*, a simple name that put the show’s central group at the heart of its identity.
Discover more
Why Space Invaders’ aliens look like sea creatures
The creator based their shapes on octopuses, squids, and crabs, giving the pixelated invaders an organic but robotic look.
Discover moreA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Sonic first appeared as a fuzzy car air freshener
Sonic first showed up as a fuzzy air freshener hanging in Rad Mobile, an arcade racing game, before Sega launched him as its mascot.
Discover more
Early web browsers were primarily text navigators
Browsers such as Lynx had no graphical interface, so users navigated pages with keyboard commands.
Discover more
Warner Bros. is older than the Republic of Turkey
Warner Bros. was incorporated in April 1923; the Republic of Turkey was proclaimed that October, after the Ottoman sultanate had been abolished in 1922. The…
Discover more
Some cruise ships steer by turning the propeller itself
An Azipod places an electric motor and propeller in a pod that can rotate through 360 degrees. Instead of only deflecting water with a rudder, the ship points…
Discover more
A stock-trading typo cost a Japanese firm over $200 million
The trader meant to offer one share for 610,000 yen. Instead, he offered 610,000 shares for one yen each, turning a single flipped set of numbers into a loss…
Discover more
A London office building can be an investment for another country's future
Sovereign wealth funds invest government assets, including revenues from resources such as oil, in property and other holdings overseas. A building's tenants…
Discover more
Benevolent fairy guardians evolved from ancient paganism
Their grid-generating platforms still use bare-bones layouts: white backgrounds, tiny fonts, and no mobile optimization. On a phone, users have to zoom in and…
Discover more
A watched minute can feel longer than a busy one
When little else holds your attention, the passage of time becomes easier to notice. Research links boredom with differences in time estimation, though there…
Discover more
America named an official language by executive order in 2025
The March 1 order designated English as the official language of the United States. It did not require agencies to immediately stop offering services in other…
Discover more
Yellow traffic lights must stay on for a minimum time
Yellow gives drivers a timed warning to stop or clear the intersection. The interval accounts for approach speed and the distance across the junction, so it…
Discover more
Why you pour less into a tall glass
Your eyes judge the rising level of a drink, not the amount of liquid in the glass. In a tall, narrow glass, the surface climbs quickly, so you can stop…
Discover more
Bees turn watery nectar into food that keeps
They add enzymes and remove water, including by fanning with their wings. The concentrated result is harder for microbes to spoil and can feed the colony when…
Discover more
Venice has divers who retrieve phones from canals
Professional scuba divers make a living retrieving smartphones and jewelry dropped into Venice's murky canals.
Discover more
Your dentist may be using gold
Gold doesn’t corrode easily and works well with the body, so dentists can use it for crowns and bridges meant to last. The metal’s value isn’t just…
Discover more
A missing copyright notice helped set Night of the Living Dead free
The distributor changed the film’s title at the last minute but left off the copyright notice, causing it to lose copyright protection.
Discover more
America sold its underground helium stockpile
The federal helium system near Amarillo, Texas, stored helium underground and moved it through a dedicated pipeline. The gas matters far beyond balloons: it…
Discover more
A bizarre vintage experiment tried to weigh the soul
An early physician weighed dying tuberculosis patients on a large, sensitive bed scale, claiming each lost a tiny, consistent amount at death as the soul…
Discover more
James Bond got his name from a bird expert
Ian Fleming chose the name from a field guide to Caribbean birds because he wanted his protagonist to have an ordinary, forgettable name.
Discover more