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 698 / 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 Panama Canal charges swimmers by displacement
Economy

The Panama Canal charges swimmers by displacement

For an eccentric swimmer, the Panama Canal toll comes in below a dollar. A large cargo ship can face a bill in the hundreds of thousands, so the canal’s…

Discover more
Knott’s Berry Farm began as a roadside fruit stand
Culture & entertainment

Knott’s Berry Farm began as a roadside fruit stand

The roadside berry stand grew into a theme park after the owner’s wife became famous for her fried chicken dinners. Rides gave waiting customers something to…

Discover more
Florida gave Bigfoot a terrible smell
Travel

Florida gave Bigfoot a terrible smell

The Skunk Ape is Florida's own reported hairy swamp creature. Witness stories emphasize an overpowering odor, which supplied its memorable name. Like other…

Discover more
Standard gravity accelerates precisely at nine point eight
Science

Standard gravity accelerates precisely at nine point eight

Standard gravity is a fixed reference value: 9.80665 meters per second squared. Real gravity varies slightly from place to place, so engineers use the agreed…

Discover more
Thai festival Loy Krathong floats decorated stem baskets
Culture & entertainment

Thai festival Loy Krathong floats decorated stem baskets

People release small vessels made from plant stems and decorated with flowers and candles onto the water, where thousands of lights drift together.

Discover more
Why your mood can be cheerful by default
Psychology

Why your mood can be cheerful by default

Your mind doesn’t treat every unclear moment as bad news. When a situation is neutral, people often lean slightly positive, which helps them approach rather…

Discover more
Why Tujia brides cry before weddings
Travel

Why Tujia brides cry before weddings

In Tujia wedding traditions, ceremonial weeping can mark the bride's departure from her family and include relatives joining in. It gives the separation a…

Discover more
Twinsburg hosts a gathering where double takes are inevitable
Travel

Twinsburg hosts a gathering where double takes are inevitable

Ohio's Twins Days Festival began in 1976 and grew into an international gathering of twins and other multiples. Families return for themed celebrations, while…

Discover more
Rocket engine bells expand gas for maximum thrust
Transport

Rocket engine bells expand gas for maximum thrust

A rocket’s throat squeezes hot gas, then the widening bell gives it room to expand and rush out faster. That exhaust blasts backward; the rocket gets shoved…

Discover more
Texas Hold 'em uses a plastic disk to mark the dealer
Games

Texas Hold 'em uses a plastic disk to mark the dealer

The button marks the dealer position; the player in that seat gets the advantage of betting last in a round.

Discover more
Japanese Koinobori streamers are flown to celebrate children
Culture & entertainment

Japanese Koinobori streamers are flown to celebrate children

Japanese families fly carp-shaped koinobori windsocks on tall poles during festivals celebrating children. Their bright, fish-shaped forms can turn a…

Discover more
Bridge is more than a card game
Games

Bridge is more than a card game

Its rules demand complex strategy, and the game has rigid global rankings and fierce international rivalries.

Discover more
Rangoli art uses colored sand to decorate Indian floors
Culture & entertainment

Rangoli art uses colored sand to decorate Indian floors

Rangoli artists create elaborate geometric floor patterns with colored sand or rice flour, knowing a breeze or a careless step can erase hours of work.

Discover more
Frisbee golf heavily chains baskets to catch the disc
Games

Frisbee golf heavily chains baskets to catch the disc

The hanging chains absorb the disc’s momentum and guide it into the basket, helping catch fast throws.

Discover more
Windshield wipers use a four-bar linkage
Transport

Windshield wipers use a four-bar linkage

A small motor turns a crank, and the wiper’s four-bar linkage converts that spin into a side-to-side sweep. The blade gets a broad arc from a motor that only…

Discover more
Japanese Ukiyo-e prints require separate carved woodblocks
Culture & entertainment

Japanese Ukiyo-e prints require separate carved woodblocks

Each color needed its own carved block, aligned precisely so the colors landed in the right places on the print.

Discover more
The puppeteers hidden underwater in Vietnam
Culture & entertainment

The puppeteers hidden underwater in Vietnam

Performers stand waist-deep in a pool behind a bamboo screen, using long submerged rods to move heavy wooden puppets across the water's surface.

Discover more
The hidden mechanism inside a Rubik’s Cube
Culture & entertainment

The hidden mechanism inside a Rubik’s Cube

A fixed six-pronged spindle at the center holds the cube together; the colored outer pieces aren't attached to one another, but slide around it on…

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