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 197 / 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
When losing Old Maid meant buying the drinks
Games

When losing Old Maid meant buying the drinks

Avoiding the unpairable card was originally less about family fun and more about getting totally wasted. During the Victorian era, holding the final unmatched…

Discover more
Dreamcast optical discs hold precisely one gigabyte
Games

Dreamcast optical discs hold precisely one gigabyte

A very specific, entirely proprietary format meant to restrict media. Known as the GD-ROM, this unique disc spun faster and held slightly more than standard…

Discover more
Popcorn was a portable snack long before movie theaters
History

Popcorn was a portable snack long before movie theaters

The snack you blindly shove into your mouth during Marvel movies is ancient survival fuel. Indigenous peoples of the Americas selectively bred corn to pop…

Discover more
The world's first youth hostel opened in a castle
Travel

The world's first youth hostel opened in a castle

Before cheap dormitories were crammed into grimy urban basements, the very first budget-friendly lodgings had genuine grandeur. The original bunkbeds were…

Discover more
Why duct tape fails on hot air ducts
Technology

Why duct tape fails on hot air ducts

Despite its incredibly famous namesake, this silver adhesive backed with cloth is notoriously atrocious at surviving extreme temperature shifts. If you…

Discover more
Eleventh house manages large social networks
Myths & mysteries

Eleventh house manages large social networks

Your solo efforts mean absolutely nothing here. This domain rules over the large groups, professional associations, and vast networks of acquaintances you…

Discover more
When artists threw themselves into their work—literally
History

When artists threw themselves into their work—literally

Because using a brush is tragically predictable. In the 1950s, a Japanese avant-garde collective completely abandoned standard canvas techniques, opting…

Discover more
Blaise Pascal created an early public bus system
Transport

Blaise Pascal created an early public bus system

Before he was torturing high schoolers with his probability theories and triangles, Blaise Pascal was just a guy trying to get around Paris. In 1662, he…

Discover more
Häagen-Dazs is a made-up name
History

Häagen-Dazs is a made-up name

If you thought you were enjoying an authentic European delicacy, congratulations on falling for premium marketing. The founders literally just made up a…

Discover more
Billions in lottery prizes go unclaimed each year
Economy

Billions in lottery prizes go unclaimed each year

The poor tax strikes again, but this time with a dose of amnesia. Every year, roughly $2 billion in lottery prizes go completely unclaimed because people lose…

Discover more
Why crossing outside a crosswalk annoys Germans
Travel

Why crossing outside a crosswalk annoys Germans

Because waiting for a little green walking man at an entirely empty intersection is the absolute pinnacle of German civic discipline. Jaywalking is highly…

Discover more
No, highways were not built as emergency runways
Transport

No, highways were not built as emergency runways

We've all heard that annoying trivia guy claim Eisenhower mandated one mile of straight road for every five miles of highway so fighter jets could land during…

Discover more
Garfield was designed to sell merchandise
Culture & entertainment

Garfield was designed to sell merchandise

The lasagna-loving orange tabby wasn't born out of a desperate need to tell compelling stories; he was specifically engineered by his creator to be as broadly…

Discover more
Why Spaniards eat dinner so late
Travel

Why Spaniards eat dinner so late

Starving at sunset is simply part of the experience. Spanish restaurants rarely open for dinner service before nine at night, forcing early eaters to sustain…

Discover more
The Maya saw the night sky as a giant jaguar
History

The Maya saw the night sky as a giant jaguar

The darkness of night wasn't an absence of light; it was a massive, prowling predator. The Mayans believed the sky turned into a gigantic cosmic jaguar after…

Discover more
Mysticism literally translates to closing your own eyes
Myths & mysteries

Mysticism literally translates to closing your own eyes

The root of this entire vast, complicated spiritual genre comes from a basic Greek term meaning to shut your eyes or your mouth. It perfectly encapsulates the…

Discover more
Some people panic when peanut butter sticks to their mouth
Psychology

Some people panic when peanut butter sticks to their mouth

Nothing screams pure panic quite like a classic sandwich ingredient clinging to the roof of your mouth. Instead of just swallowing some milk, sufferers…

Discover more
Why some London Underground stations sit on hills
Transport

Why some London Underground stations sit on hills

Long before regenerative braking was a corporate buzzword, Victorian engineers were using basic physics to save a quick buck. Many older stations in the…

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