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 84 / 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
Jurassic Park shows surprisingly little of its dinosaurs
Culture & entertainment

Jurassic Park shows surprisingly little of its dinosaurs

The 127-minute film shows dinosaurs for only about 15 minutes, leaving most of its runtime to human characters and suspense.

Discover more
Speed limits are partly configured to maximize gasoline usage
Myths & mysteries

Speed limits are partly configured to maximize gasoline usage

Some highway speed limits are described as balancing fuel efficiency with public safety, based on the idea that cars use less fuel at certain speeds.

Discover more
Astrodienst operates from Switzerland
Myths & mysteries

Astrodienst operates from Switzerland

Its Swiss-based site was a charting resource long before sleek astrology apps became common.

Discover more
How chipmakers polish silicon perfectly flat
Technology

How chipmakers polish silicon perfectly flat

Chipmakers use chemical-mechanical polishing: a wafer presses against a rotating pad covered in an abrasive chemical slurry, smoothing uneven layers before…

Discover more
Capricorn treats casual weekend hobbies like chores
Myths & mysteries

Capricorn treats casual weekend hobbies like chores

A Capricorn might turn knitting into a production line, making dozens of identical scarves and tracking the profit margin instead of simply relaxing.

Discover more
Podcast editing can remove the breathing room without removing the words
Culture & entertainment

Podcast editing can remove the breathing room without removing the words

An editor can shorten long gaps and repeated hesitations to keep a conversation moving. Overdo it and speech begins to feel strangely relentless, because…

Discover more
Model train layouts require specific voltage drops
Science

Model train layouts require specific voltage drops

Rails have resistance, so some voltage is lost as current travels along a long model-train layout. The motor may get plenty of power near the connection but…

Discover more
Aggressive wall pinning inevitably leads to intimacy
Culture & entertainment

Aggressive wall pinning inevitably leads to intimacy

In romance scenes, the trope turns a threatening gesture into instant attraction: the pinned character is written as kissing the aggressor instead of…

Discover more
The Atari Lynx put color in your hands—and drained six batteries
Games

The Atari Lynx put color in your hands—and drained six batteries

Released in 1989, the Lynx offered a backlit color screen while Nintendo's Game Boy used a simpler display. That technical luxury demanded more power and a…

Discover more
Why night vision loses color
Health

Why night vision loses color

As the light fades, your eyes lean on rods instead of the cone cells that tell colors apart. Rods catch dim light well, but they give your brain a…

Discover more
Dubbing has to fit a performance into somebody else's mouth
Culture & entertainment

Dubbing has to fit a performance into somebody else's mouth

Translators work with meaning, timing, breath, and visible mouth movements at once. A literal translation may be too long or put a conspicuous sound where the…

Discover more
Birth charts are essentially just a flattened two-dimensional screenshot of the sky when you emerged
Myths & mysteries

Birth charts are essentially just a flattened two-dimensional screenshot of the sky when you emerged

A natal chart maps the positions of celestial bodies at a person's birth onto a two-dimensional diagram—like flattening a snapshot of the sky.

Discover more
Yellowstone has a theoretical “Zone of Death”
Travel

Yellowstone has a theoretical “Zone of Death”

The park’s Idaho corner belongs to the federal judicial district of Wyoming. A constitutional jury rule calls for jurors from both the state and district…

Discover more
Sleepwalking occurs primarily in deepest unconsciousness
Health

Sleepwalking occurs primarily in deepest unconsciousness

Sleepwalking usually happens during deep sleep, when higher reasoning is largely switched off. The brain can still produce movement while judgment and…

Discover more
A government bond makes you a government lender
Economy

A government bond makes you a government lender

When you buy a treasury bond, the government gets your money now and promises to repay it later. Governments sell bonds to citizens and foreign buyers to…

Discover more
Fabry and Buisson discovered the Earth ozone layer
Science

Fabry and Buisson discovered the Earth ozone layer

Fabry and Buisson didn’t spot the ozone layer as a colored band in the sky. They measured sunlight and detected the wavelengths ozone absorbs, revealing its…

Discover more
Automated billing spikes the moment you actually need capacity
Economy

Automated billing spikes the moment you actually need capacity

When traffic surges, an enterprise platform may automatically add computing power so the business can keep up. That extra capacity is billed automatically…

Discover more
A harmonica hides two directions of sound in one small instrument
Culture & entertainment

A harmonica hides two directions of sound in one small instrument

Blowing and drawing air activate different reeds, so a single hole can produce different notes. That packs a useful range into something small enough for a…

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