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 195 / 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
Moving cities alters your chart
Myths & mysteries

Moving cities alters your chart

If you hate your current personality, physically moving across the globe shifts your angles, giving you an entirely new set of problems to complain about.

Discover more
Why backstage passes change color so often
Culture & entertainment

Why backstage passes change color so often

Wandering behind the massive curtains requires knowing exactly which bright neon shade is valid for that specific hour. Organizers change the color of the…

Discover more
Tape dispensers feature a serrated edge to break tension
Technology

Tape dispensers feature a serrated edge to break tension

Plastic film doesn't actually want to rip cleanly. The metal teeth on the front of the dispenser aggressively puncture the smooth surface of the tape at…

Discover more
Driving through the Rockies absolutely destroys brakes
Travel

Driving through the Rockies absolutely destroys brakes

Riding your pedal down an eight percent grade is a recipe for smelling burning metal. Inexperienced drivers navigating these massive descents quickly learn…

Discover more
Trim tabs act as tiny underwater leveling wedges
Transport

Trim tabs act as tiny underwater leveling wedges

Fast vessels often bounce violently on choppy water. Small adjustable flaps on the rear act like wedges, forcing the nose down against the water pressure,…

Discover more
Continuity teams track massive soap opera histories
Culture & entertainment

Continuity teams track massive soap opera histories

Decades of convoluted plotlines require an actual historian. Shows employ dedicated continuity staff solely to ensure that a character isn't accidentally…

Discover more
Some mystics grow excessive body hair for warmth
Myths & mysteries

Some mystics grow excessive body hair for warmth

When you refuse to wear clothing in the wilderness, your biology sometimes steps up to help. Legendary ascetics supposedly grew thick, beastly fur across…

Discover more
Mailboats toss packages to ships that cannot stop
Transport

Mailboats toss packages to ships that cannot stop

Because massive freighters physically cannot stop just to let sailors buy a postcard, specialty delivery boats race out to meet them on rivers. They match…

Discover more
Planting carrots based on an old paper book
Myths & mysteries

Planting carrots based on an old paper book

Entire generations of farmers stubbornly refuse to put seeds into the dirt unless a specific yearly almanac gives them the green light, treating a cheap…

Discover more
Why a treadmill can use more power than a fridge
Technology

Why a treadmill can use more power than a fridge

You might think dragging your own body weight requires mere human effort, but the machine has to aggressively pull the belt underneath your stomping feet.…

Discover more
Why an armadillo can send a bullet back
Science

Why an armadillo can send a bullet back

Imagine shooting at a walking speed bump and ending up in the intensive care unit. Armadillo armor is composed of overlapping bony plates called osteoderms,…

Discover more
Romania turned an abandoned salt mine into an amusement park
Travel

Romania turned an abandoned salt mine into an amusement park

Romania took a massive, abandoned salt mine deep in the earth and decided it needed a Ferris wheel, mini-golf, and a boating lake, because surface-level…

Discover more
Printing the wrong presidential winner
Culture & entertainment

Printing the wrong presidential winner

Being first to print is meaningless if you are completely wrong. The Chicago Tribune aggressively distributed papers with a massive headline declaring the…

Discover more
Hamsters sometimes hoard keys and shiny objects
Science

Hamsters sometimes hoard keys and shiny objects

While they usually stuff their expanding cheeks with seeds, these rodents have a bizarre fascination with utterly useless human trinkets. If given the chance,…

Discover more
Why brides once hid their faces from spirits
History

Why brides once hid their faces from spirits

Covering the face wasn't about modesty or grand reveals; it was a desperate camouflage tactic to ensure malicious forces couldn't recognize the happy person…

Discover more
Nielsen ratings relied on manual paper diaries for decades
Culture & entertainment

Nielsen ratings relied on manual paper diaries for decades

The system that decided the fate of billion-dollar networks used to depend on sheer human honesty. Viewers were literally mailed physical paper logs and asked…

Discover more
Airlines once screened movies with real film reels
Transport

Airlines once screened movies with real film reels

Before digital seatback screens, airlines literally hauled massive, clunky film projectors onto commercial flights. Flight attendants had to physically string…

Discover more
Captains hold ultimate authority while mid-flight
Transport

Captains hold ultimate authority while mid-flight

Once the doors close, you are essentially living in a flying dictatorship. The pilot in command holds absolute legal authority to write fines, restrain…

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