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 1147 / 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
Why online recipes are buried under filler
Science

Why online recipes are buried under filler

You can no longer find a simple recipe because of aggressive metrics. Creators intentionally pad their articles with thousands of words of useless, rambling…

Discover more
When police raided cinemas for movie reels
Culture & entertainment

When police raided cinemas for movie reels

In the 1970s, some extreme Italian cinema was deemed so deeply offensive that international vice squads didn't just ban it; they raided theaters. Police…

Discover more
Grocery checkout lines use motorized belts for your food
Transport

Grocery checkout lines use motorized belts for your food

Pushing your own cereal box two feet forward is clearly exhausting, so we designed heavy rubber belts with optical sensors to do the tedious lifting at the…

Discover more
Before Edison, sound was recorded but not replayed
Technology

Before Edison, sound was recorded but not replayed

Decades before Edison, a Frenchman named Édouard-Léon Scott de Martinville successfully recorded human audio. The tragic catch? He had absolutely no way to…

Discover more
Espio the Chameleon operates as a ninja detective
Games

Espio the Chameleon operates as a ninja detective

As if being a brightly colored chameleon wasn't enough, he decided to double down on stealth by becoming a fully trained ninja. He throws razor-sharp…

Discover more
Magic carpets slowly roll beginners up tiny snow hills
Transport

Magic carpets slowly roll beginners up tiny snow hills

Lacking the basic coordination for actual ski lifts, novices are generously provided with a literal rubber belt that slowly glides them up the gentlest slopes…

Discover more
Why a string quartet costs more but plays no faster
Economy

Why a string quartet costs more but plays no faster

Baumol's cost disease is a fascinating quirk where fields with zero productivity growth still become wildly expensive. A violin quartet takes the exact same…

Discover more
Whistling utilizes entirely different mechanics than speaking
Health

Whistling utilizes entirely different mechanics than speaking

When you whistle, your primary vocal folds take a complete vacation. Instead of using the larynx to create vibration, you form an entirely new acoustic…

Discover more
Keanu Reeves once played bass in Dogstar
Culture & entertainment

Keanu Reeves once played bass in Dogstar

When you're already traveling through time in a phone booth, why not start a rock band? In the 1990s, at the absolute height of his early Hollywood fame,…

Discover more
Mark Wahlberg refused a Yankees cap for The Departed
Culture & entertainment

Mark Wahlberg refused a Yankees cap for The Departed

Sometimes hometown loyalty completely ruins a costume designer's day. While filming Martin Scorsese's The Departed, Boston native Mark Wahlberg was asked to…

Discover more
Only one person dies in the original First Blood
Culture & entertainment

Only one person dies in the original First Blood

Despite becoming the global mascot for hyper-violent, machine-gun-toting cinematic carnage, the original John Rambo was a massive pacifist. In the 1982 film…

Discover more
Einstein's safer refrigerator never caught on
History

Einstein's safer refrigerator never caught on

Even a genius makes terrible home appliances. After reading about a family killed by toxic fridge fumes, Einstein and a colleague patented a safer…

Discover more
Computer math put a cap on WoW gold
Games

Computer math put a cap on WoW gold

Gamers are beholden to the arbitrary rules of 32-bit math. In early World of Warcraft, the maximum currency you could hold was exactly 214,748 gold, 36…

Discover more
How stereotypes can hurt your test score
Psychology

How stereotypes can hurt your test score

Stereotype threat is a brutal psychological self-sabotage triggered directly by society. If you remind individuals of a negative stereotype regarding their…

Discover more
Paul Revere identified a body by its teeth
History

Paul Revere identified a body by its teeth

The guy screaming about the British was also identifying corpses by their teeth. As a skilled silversmith, Revere wired false teeth for the elite. After the…

Discover more
That friendly local may be part of a tourist scam
Travel

That friendly local may be part of a tourist scam

That friendly local recommending a specific rug shop gets a hefty commission. From Istanbul to Rome, organized scammers pose as helpful citizens, aggressively…

Discover more
Tesla Easter eggs can turn your map into Mars
Technology

Tesla Easter eggs can turn your map into Mars

Because when you're hurtling down the highway in a two-ton battery, you definitely need pop culture references. Modern EVs, especially Teslas, are notorious…

Discover more
Where Tarantino wrote Pulp Fiction
Culture & entertainment

Where Tarantino wrote Pulp Fiction

You don't need a fancy Beverly Hills writing room to craft an Oscar-winning screenplay; you just need a lot of hash. Quentin Tarantino spent several months in…

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