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 491 / 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 airport where trains cross the runway
Transport

The airport where trains cross the runway

The local planes periodically have to yield to a massive freight train. It completely shatters the illusion of highly secure, strictly restricted airport…

Discover more
CSS style rules endlessly override and contradict
Technology

CSS style rules endlessly override and contradict

Styling a webpage involves writing rules that inherently try to destroy each other. Because of the cascading nature of the stylesheet, changing the color of a…

Discover more
African artisans carve complex rings from single blocks
History

African artisans carve complex rings from single blocks

Gluing wood together is an admission of defeat. Makonde carvers take a single, continuous chunk of dense ebony wood and hollow it out into a violently…

Discover more
Why a puzzle piece can fit in the wrong place
Games

Why a puzzle piece can fit in the wrong place

Because die-cuts are repetitively stamped, identically shaped blanks exist all over the board. This allows you to smoothly snap a completely incorrect image…

Discover more
Why you forget what you came into a room for
Psychology

Why you forget what you came into a room for

The 'doorway effect' is your brain acting like a highly aggressive hard drive cleaner. Moving through a physical threshold signals to your hippocampus that…

Discover more
Full moons require you to aggressively let go
Science

Full moons require you to aggressively let go

When the moon is at its brightest, you are supposed to write down all your grievances and burn them in a dramatic display. It is highly cathartic, though the…

Discover more
The clock tax that nearly killed British watchmaking
Economy

The clock tax that nearly killed British watchmaking

Taxing the concept of knowing what time it is really backfired. In 1797, Britain introduced a tax on all clocks and watches. The public immediately stopped…

Discover more
Why the same bad choice can bring different punishment
Psychology

Why the same bad choice can bring different punishment

If you drive home drunk and hit a tree, you get a slap on the wrist and a ruined bumper. If you drive home drunk and hit a pedestrian, you go to prison for…

Discover more
Waking from severe unconsciousness can begin with a gasp
Culture & entertainment

Waking from severe unconsciousness can begin with a gasp

Nobody simply opens their eyes and groggily asks for water after being knocked unconscious for three hours. Waking up from severe head trauma mandates a…

Discover more
Small random rewards hijack dopamine pathways
Psychology

Small random rewards hijack dopamine pathways

Getting paid a predictable salary is boring, but randomly finding a five dollar bill is deeply thrilling. Unpredictable, sporadic payouts flood the brain with…

Discover more
What hyperphantasia looks like in the mind
Science

What hyperphantasia looks like in the mind

Hyperphantasia makes the internal imagination completely rival physical reality. People with this incredibly intense trait can close their eyes and project…

Discover more
Half-Life 2 built its ruined city from real photos
Games

Half-Life 2 built its ruined city from real photos

To capture the grim, depressing reality of a dystopian city, the creators literally just pasted photographs of actual urban decay onto digital walls. It is a…

Discover more
Can extreme fear stop your heart
Health

Can extreme fear stop your heart

Sometimes the sheer terror of a curse is enough to pull the plug on your own biology. Extreme physiological fright can trigger an overwhelming autonomic…

Discover more
Ghost Adventures crews may be locked inside until sunrise
Culture & entertainment

Ghost Adventures crews may be locked inside until sunrise

When the paranormal investigators boast about being locked in for the night, they aren't kidding. For liability and security reasons, the property owners…

Discover more
Sora translates quite literally to sky in Japanese
Games

Sora translates quite literally to sky in Japanese

The boy with the giant key is deeply connected to the weather. The cheerful protagonist of Kingdom Hearts is named after the Japanese word for 'sky', heavily…

Discover more
Political voting blocks disguise themselves as churches
Myths & mysteries

Political voting blocks disguise themselves as churches

Turning a massive congregation into a unified political voting bloc yields massive influence. This giant independent church strictly dictates who its members…

Discover more
Samuel L. Jackson chose a movie because of its title
Culture & entertainment

Samuel L. Jackson chose a movie because of its title

While other actors agonizingly analyze scripts for deep character motivations, Jackson knows exactly what the people want. He literally signed on based on the…

Discover more
The national championship for mullets
Travel

The national championship for mullets

Because bad historic fashion choices absolutely deserve trophies. Competitors proudly showcase the bizarre combination of aggressively short bangs and…

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