stackyFACTS
STAY CURIOUS

The world is more interesting than you think.

Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.

34,160 facts11 topics to exploreStart exploring ↓
YOUR NEXT DISCOVERY

A little more wonder

Page 1148 / 1424
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
The Cold War bunker network beneath Beijing
Travel

The Cold War bunker network beneath Beijing

An entire metropolis is hiding underneath millions of unaware commuters. During the Cold War, China dug a massive bunker network spanning 30 square miles to…

Discover more
Batman’s animated shadows started on black paper
Culture & entertainment

Batman’s animated shadows started on black paper

Why bother painting shadows when you can just start in the dark? To capture the incredibly moody, film noir aesthetic of Gotham City, the creators of the…

Discover more
The volcano on Mars that dwarfs Everest
Science

The volcano on Mars that dwarfs Everest

Earth's mountains are frankly embarrassing compared to Olympus Mons. This Martian volcano is three times the height of Mount Everest and roughly the size of…

Discover more
Moon footprints could outlast human civilization
Science

Moon footprints could outlast human civilization

Talk about a lasting legacy. Because the Moon lacks an atmosphere, wind, or liquid water to wash anything away, the footprints left by Apollo astronauts…

Discover more
Why moving to California won't cure depression
Psychology

Why moving to California won't cure depression

The focusing illusion causes us to heavily overvalue one specific factor when predicting our future happiness. You confidently think moving to a sunny beach…

Discover more
Why one small mistake can feel catastrophic
Psychology

Why one small mistake can feel catastrophic

The slippery slope fallacy is the highly anxious brain's favorite cinematic thriller. We falsely assume that one minor misstep—like eating a piece of…

Discover more
Why Nintendo Switch cartridges taste so bitter
Technology

Why Nintendo Switch cartridges taste so bitter

Nintendo actively chemically weaponized their game cartridges against toddlers. Because the Switch game cards are so small and constitute a major choking…

Discover more
Why the Atari joystick had only one button
Games

Why the Atari joystick had only one button

The sleek minimalism of the iconic Atari 2600 joystick wasn't driven by elegant design philosophy; it was peak corporate cheapness. Nolan Bushnell wanted…

Discover more
Why speeding up barely saves any time
Psychology

Why speeding up barely saves any time

The time-saving bias is the complete mathematical delusion fueling road rage everywhere. When driving at already high speeds, increasing your speed feels like…

Discover more
Jack Nicholson destroyed the fake door in The Shining
Culture & entertainment

Jack Nicholson destroyed the fake door in The Shining

Stanley Kubrick was famous for his obsessive perfectionism, but even he underestimated a former volunteer fire marshal. Kubrick originally built a fake,…

Discover more
When World of Warcraft had 12 million subscribers
Games

When World of Warcraft had 12 million subscribers

At the height of the Lich King expansion in 2010, World of Warcraft boasted 12 million monthly subscribers. To put that absurd number in perspective, if…

Discover more
The first driverless cars followed wires under the road
Transport

The first driverless cars followed wires under the road

The obsession with taking our hands off the wheel started long before sophisticated lasers and AI. In the late 1950s, RCA and General Motors successfully…

Discover more
Planchettes were standalone automatic writing instruments
Myths & mysteries

Planchettes were standalone automatic writing instruments

Before it got bolted to the Ouija board, this creepy little device was flying solo. Victorian spiritualists used the heart-shaped wooden plank with a pencil…

Discover more
Your garage may be more dangerous to your bike
Transport

Your garage may be more dangerous to your bike

You bought a titanium U-lock and chained your precious commuter bike to a streetlight like Fort Knox, totally ignoring the actual danger. Statistical analysis…

Discover more
Why Earth's CO₂ levels dip every spring
Science

Why Earth's CO₂ levels dip every spring

Our planet literally hyperventilates once a year. When it's spring in the Northern Hemisphere, millions of plants bloom and suck massive amounts of carbon…

Discover more
Instagram was built in just eight weeks of coding
Technology

Instagram was built in just eight weeks of coding

The platform responsible for destroying an entire generation's self-esteem was cobbled together in two months. Kevin Systrom and Mike Krieger pivoted from a…

Discover more
The ant salesman who invented Boggle
Games

The ant salesman who invented Boggle

The creative mind behind frantic letter-shaking is perfectly eccentric. Milton Levine, who became a millionaire trapping live ants in plastic to sell to…

Discover more
The woman who drove a Model T around the world
Transport

The woman who drove a Model T around the world

In the 1920s, a Canadian woman named Aloha Wanderwell became the first female to circumnavigate the globe in a Ford Model T. To make the brutal trek across…

Discover more
StackyMore discoveries in the app
Download on the App Store