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 838 / 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
Twisting a single metal barrel tightens two opposing cables
Technology

Twisting a single metal barrel tightens two opposing cables

Pulling two separate cables incredibly tight by hand is practically impossible. Turnbuckles use a single metal frame with opposing reverse threads on each…

Discover more
Shadows offer stealthy paths between locations
Transport

Shadows offer stealthy paths between locations

Transitioning into a dark corner and instantly appearing out of another is the ultimate trick for edgy rogues. This dark transit method utilizes the absence…

Discover more
Glowing lanterns return hunters to safe dreams
Transport

Glowing lanterns return hunters to safe dreams

Touching a small light source to escape a terrifying gothic nightmare is deeply relieving. These markers instantly pull individuals into a peaceful workshop…

Discover more
Why cigarette packs once held baseball cards
Games

Why cigarette packs once held baseball cards

The holiest relics of sports memorabilia were invented to keep cancer sticks from snapping. Tobacco companies slipped rigid cardboard into flimsy paper packs…

Discover more
Why muddy shallows are dangerous around anacondas
Travel

Why muddy shallows are dangerous around anacondas

Lurking in cloudy shallow pools waiting to squeeze the life out of whatever wanders by. Anacondas rely on complete stealth to wrap massive muscular coils…

Discover more
American bingo halls strictly utilize exactly 75 balls
Games

American bingo halls strictly utilize exactly 75 balls

The classic American version of the game firmly caps the randomly drawn numbers at seventy-five, creating the iconic B-I-N-G-O columns. It provides just…

Discover more
The writer who burned his own books
History

The writer who burned his own books

The ultimate form of impulsive self-sabotage. Whenever the Italian writer felt mildly depressed about his legacy, he would furiously throw his own unpublished…

Discover more
How acacia trees hire ants as bodyguards
Travel

How acacia trees hire ants as bodyguards

Providing hollow thorns for aggressive biting insects creates the perfect mercenary defense system. Acacia trees feed resident ant colonies sugary nectar in…

Discover more
A blue box that breaks the rules of space
Transport

A blue box that breaks the rules of space

A noisy, wheezing box that is famously larger on the inside is the absolute peak of sci-fi relocation. It folds dimensions to pop in and out of reality,…

Discover more
The giant weights keeping skyscrapers steady
Technology

The giant weights keeping skyscrapers steady

Because architects love building massive swaying towers, engineers install colossal pendulums near the roof just to keep office workers from throwing up…

Discover more
The author who wrote a novel in a glass box
History

The author who wrote a novel in a glass box

Publicity stunts used to require serious endurance. The hyper-prolific Belgian author locked himself in a transparent glass box in public, typing an entire…

Discover more
Why cake mix makes you crack an egg
Economy

Why cake mix makes you crack an egg

Early instant cake powders included all dried ingredients, but housewives rejected them because they felt guilty about not actually cooking. Manufacturers…

Discover more
Orange and blue ovals link distant flat surfaces
Transport

Orange and blue ovals link distant flat surfaces

Shooting two colored holes onto walls to instantly step between them is incredibly disorienting. These manufactured tears in space seamlessly connect two…

Discover more
Painted canvases act as spatial gateways
Transport

Painted canvases act as spatial gateways

Leaping directly into a framed picture is generally a great way to get a concussion. But in certain magical castles, it instantly drops you into a bizarre new…

Discover more
Samadhi achieves total mental absorption
Myths & mysteries

Samadhi achieves total mental absorption

When you focus so hard on an object that you completely forget you exist, you have hit esoteric paydirt. It is celebrated as the peak of human consciousness,…

Discover more
Even trick-shot teams sometimes lose
Culture & entertainment

Even trick-shot teams sometimes lose

When your entire job is to playfully humiliate the opponent, occasionally the math betrays you. Famous touring trick-shot teams have actually lost to their…

Discover more
The plateau where strange species evolved in isolation
Travel

The plateau where strange species evolved in isolation

Evolution threw a giant party atop Mount Roraima and flatly refused to invite the lowlands. The sheer vertical cliffs prevent local animals from ever mixing…

Discover more
The medical code for flaming water skis
Health

The medical code for flaming water skis

Nothing screams 'recreational disaster' quite like catching fire while aggressively gliding over a body of water. The World Health Organization decided that…

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