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 1197 / 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
Venice once used lion statues as anonymous tip boxes
History

Venice once used lion statues as anonymous tip boxes

Citizens could submit anonymous accusations of treason, tax evasion, or espionage to the Council of Ten through the lion-mouth boxes. Venice made a stone lion…

Discover more
Tourist spending can pass through a place without staying there
Economy

Tourist spending can pass through a place without staying there

A trip to Machu Picchu involves several purchases—transport, accommodation, admission, food, and guiding. Who owns and supplies those services determines…

Discover more
Oaxaca has a market corridor devoted to smoke and meat
Travel

Oaxaca has a market corridor devoted to smoke and meat

At the Pasillo de Humo in Oaxaca's Mercado 20 de Noviembre, shoppers choose meat such as tasajo or chorizo and have it grilled over charcoal nearby. The smoke…

Discover more
A 4K microLED TV needs nearly 25 million tiny lights
Technology

A 4K microLED TV needs nearly 25 million tiny lights

Each of its roughly 8.3 million pixels needs red, green, and blue emitters. Placing those microscopic parts one at a time would be painfully slow, so…

Discover more
D&D can make a wrong turn more dangerous than a fight
Games

D&D can make a wrong turn more dangerous than a fight

Tomb of Annihilation sends players across the jungle of Chult with an incomplete map. Navigation, water and supplies become problems between encounters, so…

Discover more
Wuppertal's hanging trains lean into the bends
Transport

Wuppertal's hanging trains lean into the bends

The cars hang below their rail, placing their center of gravity beneath the suspension point. They can swing outward on curves, helping the railway follow the…

Discover more
Self-driving cars are fighting for curb space
Transport

Self-driving cars are fighting for curb space

A self-driving car needs somewhere to collect or drop off passengers, and that means waiting at the curb. When several cars queue for the same narrow strip of…

Discover more
Peter Gabriel filmed Sledgehammer under a sheet of glass
Culture & entertainment

Peter Gabriel filmed Sledgehammer under a sheet of glass

To create the stop-motion look, Gabriel lay motionless beneath glass while animators moved dead fish, raw meat and clay around his face frame by frame. He…

Discover more
Chile's Atacama can briefly trade desert for flowers
Travel

Chile's Atacama can briefly trade desert for flowers

Unusually favorable rainfall can trigger the desierto florido, when seeds and bulbs respond with mass blooms. The display is episodic rather than a guaranteed…

Discover more
Maersk methanol mega-ships force global supply chains to adopt green financing
Economy

Maersk methanol mega-ships force global supply chains to adopt green financing

Banks participating in the Poseidon Principles tie shipping loans to climate targets. That gives shipowners a financial reason to cut emissions; Maersk’s…

Discover more
How childhood trauma can make pain feel worse later
Health

How childhood trauma can make pain feel worse later

Early trauma can leave the nervous system more watchful, so it may turn up the volume on pain signals later in life. That can make an ordinary ache feel…

Discover more
Controlled heat can bring an old arcade board back
Culture & entertainment

Controlled heat can bring an old arcade board back

Repeated heating and cooling can leave cracks in solder joints. Professional rework heats the affected connections in a controlled way so the solder can form…

Discover more
Shetland builds a Viking-style galley to set it on fire
Travel

Shetland builds a Viking-style galley to set it on fire

At Lerwick's Up Helly Aa, a torchlit procession ends with participants throwing torches into a specially built galley. Months of preparation produce a…

Discover more
Undertale’s soundtrack makes familiar melodies change sides
Culture & entertainment

Undertale’s soundtrack makes familiar melodies change sides

Toby Fox reuses musical themes in different tracks, changing their speed, instruments, and setting. A tune you associate with one character can return in a…

Discover more
How tragedy becomes a shared national story
Psychology

How tragedy becomes a shared national story

A national tragedy becomes a shared story when people encounter it through the same images, anniversaries, and public rituals. Those repeated reminders give…

Discover more
In Rust, logging off leaves you exposed
Games

In Rust, logging off leaves you exposed

In Rust, logging out leaves your character unconscious in the game world, where other players can raid your shelter and steal your supplies. That makes…

Discover more
In Dominion, victory cards clog your deck
Games

In Dominion, victory cards clog your deck

Victory cards like Estates and Provinces score points but do nothing when drawn, slowing the deck that buys them. Score too early, and your engine can bog…

Discover more
In this Mexican town, weaving is the local economy
Travel

In this Mexican town, weaving is the local economy

In Teotitlán del Valle, families have passed down Zapotec weaving techniques for generations, using hand-spun wool and natural dyes made from crushed…

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