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 1025 / 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
Bed of nails relies entirely on weight distribution math
Myths & mysteries

Bed of nails relies entirely on weight distribution math

Laying shirtless on hundreds of sharp spikes looks like the ultimate display of ethereal invulnerability. In reality, it is just basic physics: your body…

Discover more
Vowels are generated with an entirely open vocal tract
Psychology

Vowels are generated with an entirely open vocal tract

Every single vowel you speak requires zero physical obstruction of your breath. You are literally just vibrating your vocal cords and changing the shape of…

Discover more
Your earlobes may have no known purpose
Health

Your earlobes may have no known purpose

Those fleshy danglers hanging off the sides of your head serve absolutely zero functional purpose. While the upper cartilage funnels sound waves perfectly…

Discover more
Blisters are your skin's emergency cushion
Health

Blisters are your skin's emergency cushion

Whenever friction attempts to severely tear your upper epidermal layer, your body rapidly deploys a localized emergency waterbed. Pumping clear fluid between…

Discover more
Elephants can use their trunks as snorkels
Science

Elephants can use their trunks as snorkels

Why swim normally when you have a built-in breathing tube attached to your face? They gleefully march completely submerged under deep rivers while leaving…

Discover more
Why sleighs needed bells to warn pedestrians
Transport

Why sleighs needed bells to warn pedestrians

Those festive jingles weren't created for holiday cheer. A horse-drawn sleigh gliding over fresh snow makes almost zero noise, so bells were legally required…

Discover more
World War I medics used moss to treat wounds
Economy

World War I medics used moss to treat wounds

When you run out of sterile cotton, swamp flora makes a decent substitute. During the first World War, desperately short supplied medical camps relied on…

Discover more
Why margarine was once dyed bright pink
Science

Why margarine was once dyed bright pink

Corporate sabotage can get incredibly petty. Terrified dairy lobbyists managed to legally force artificial butter manufacturers to dye their perfectly yellow…

Discover more
The hidden trick behind a villain’s cape swish
Culture & entertainment

The hidden trick behind a villain’s cape swish

The majestic, terrifying villain marching down the hallway doesn't magically have fabric that perfectly obeys the laws of dramatics. Standard cloth…

Discover more
Hyperloop concepts remain largely theoretical tubes
Travel

Hyperloop concepts remain largely theoretical tubes

Promising to shoot passenger pods through depressurized pipes at supersonic speeds sounds incredible in a rendering. Despite massive funding and endless hype,…

Discover more
When hunting dogs pulled carts
Transport

When hunting dogs pulled carts

Wealthy estates in the nineteenth century often hooked up a team of pointers or setters to small wooden gigs. It was supposedly an efficient way to get around…

Discover more
Beavers meticulously build intricate protective wooden lodges
Science

Beavers meticulously build intricate protective wooden lodges

These furry lumberjacks absolutely refuse to sleep outdoors like commoners. They aggressively chew down whole forests to construct fortified moats and…

Discover more
North Korea once created its own time zone
Travel

North Korea once created its own time zone

Because nothing asserts geopolitical dominance quite like arbitrarily messing with the clocks. In 2015, North Korea decided to create 'Pyongyang Time' by…

Discover more
When trains dumped sewage straight onto the tracks
Transport

When trains dumped sewage straight onto the tracks

Ah, the romance of classic rail travel: fine dining, scenic landscapes, and spraying human waste across the countryside at sixty miles per hour. For over a…

Discover more
Early Christian desert fathers practically hallucinated from starvation and called it profound spiritual warfare
Myths & mysteries

Early Christian desert fathers practically hallucinated from starvation and called it profound spiritual warfare

There is a very thin line between profound mystical enlightenment and severe caloric deficiency. In the 3rd century, early Christian hermits fled to the…

Discover more
A pineapple can take two years to grow
Science

A pineapple can take two years to grow

For a fruit that largely just sits there being prickly, a pineapple demands an absurd amount of your time. From the moment you plant a pineapple top, it can…

Discover more
The deepest dive found a plastic shopping bag
Transport

The deepest dive found a plastic shopping bag

Humanity built an engineering marvel capable of diving seven miles into the pitch-black abyss just to discover our own trash waiting for us. In 2019, an…

Discover more
How Shrek saved DreamWorks
Culture & entertainment

How Shrek saved DreamWorks

It turns out Smash Mouth and relentless fart jokes are a completely viable corporate financial strategy. DreamWorks was bleeding millions and on the verge of…

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