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 780 / 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 mail-carrying submarines of wartime France
Transport

The mail-carrying submarines of wartime France

During the Franco-Prussian War in 1870, Paris was completely surrounded and cut off by enemy forces. Desperate to keep communication lines open, the French…

Discover more
The desert no country wants to claim
Travel

The desert no country wants to claim

In a world where nations constantly go to war over microscopic borders, this 800-square-mile sandbox is the ultimate reject. Claiming it would legally ruin…

Discover more
Australia sells vacations despite its deadly wildlife
Travel

Australia sells vacations despite its deadly wildlife

Come for the Opera House, stay because you were paralyzed by an Inland Taipan. It takes a special kind of marketing genius to convince millions of people to…

Discover more
Why the Grand Canyon's age is still debated
Travel

Why the Grand Canyon's age is still debated

You'd think staring at a gigantic hole in the ground for a century would yield some concrete answers, but scientists are famously stubborn. The 'old canyon'…

Discover more
Cut Alaska in half and both pieces beat Texas
Travel

Cut Alaska in half and both pieces beat Texas

Texans absolutely love to brag about how massive their state is, but Alaska is quietly sitting up north dwarfing them by a comical margin. It is so…

Discover more
Why ancient Greeks ate cabbage after drinking
History

Why ancient Greeks ate cabbage after drinking

Ancient Greeks completely convinced themselves that staring at or vigorously eating raw cabbage was a flawless cure for a brutal hangover. They literally…

Discover more
Most online arguments never get past the headline
Culture & entertainment

Most online arguments never get past the headline

The comment section is a battlefield of the fiercely uninformed. Data shows that a staggering majority of users who share and aggressively argue over digital…

Discover more
GLaDOS is voiced by an opera singer
Games

GLaDOS is voiced by an opera singer

Ellen McLain, the voice behind the passive-aggressive, murderous AI, is an opera singer. That's why the robotic singing at the end of the credits is so…

Discover more
Mario’s voice actor also plays a Skyrim dragon
Games

Mario’s voice actor also plays a Skyrim dragon

Imagine realizing the same vocal cords that shout joyful Italian stereotypes are also responsible for the deep, booming philosophical musings of Paarthurnax.…

Discover more
String interpolation inserts variables directly into sentences without concatenation
Technology

String interpolation inserts variables directly into sentences without concatenation

Instead of politely adding text strings together, interpolation rips a hole in a sentence and surgically implants a variable inside it. It allows developers…

Discover more
Pinterest is organized daydreaming
Culture & entertainment

Pinterest is organized daydreaming

Millions of people use aesthetic digital boards to plan elaborate weddings they aren't having and design houses they don't own. Platforms like Pinterest…

Discover more
Death Stranding turns bodily fluids into weapons
Games

Death Stranding turns bodily fluids into weapons

When fighting invisible tar ghosts, the hero relies entirely on his own bodily fluids. His sweat, blood, and excrement are weaponized into usable grenades.…

Discover more
Giant sloths dug cave systems beneath South America
Science

Giant sloths dug cave systems beneath South America

Modern sloths are practically catatonic moss-covered speed bumps, but their ancestors were absolute terraforming nightmares. Extinct ground sloths the size of…

Discover more
The princess of Hyrule may share a voice with villains
Games

The princess of Hyrule may share a voice with villains

The elegant, gentle princess of Hyrule is often voiced by actresses who spend their weekends screaming about blood and destruction in mature dubs. It really…

Discover more
Elephant ancestors evolved bizarre elongated snouts before developing useful trunks
Science

Elephant ancestors evolved bizarre elongated snouts before developing useful trunks

Before elephants figured out how to develop their incredibly useful, flexible trunks, their ancestors had to go through a deeply embarrassing transitional…

Discover more
Why fit people may perceive hikes as shorter
Psychology

Why fit people may perceive hikes as shorter

Hitting the gym literally physically alters your overall perception of the landscape. A grueling five-mile hike literally looks exactly like a remarkably…

Discover more
Walking completely on hands was a historical challenge
Transport

Walking completely on hands was a historical challenge

Because human legs are apparently boring, some 19th-century showmen decided to cross enormous distances entirely inverted. Walking on your hands flips your…

Discover more
Why hotel staff are called bellhops
Science

Why hotel staff are called bellhops

In an era before intercoms and digital apps, human beings had to be summoned via obnoxious brass instruments. The term originated in the early 1900s because…

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