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 29 / 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
Why Wikipedia biographies overlook so many women
Technology

Why Wikipedia biographies overlook so many women

Despite being hailed as the ultimate sum of human knowledge, the open-source encyclopedia suffers from massive demographic biases. An overwhelming majority of…

Discover more
Delivering blunt observations is a Sagittarius specialty
Myths & mysteries

Delivering blunt observations is a Sagittarius specialty

If you want a comforting lie, never ask them for an honest opinion. They will stare you directly in the eye and deliver a brutal assessment with a cheerful,…

Discover more
Fermat hid a theorem in a book's margin
Science

Fermat hid a theorem in a book's margin

Pierre de Fermat was the ultimate academic troll. He scribbled a brilliant mathematical theorem in the margin of a book, adding that he had a truly marvelous…

Discover more
E-waste makes up most toxic metals in landfills
Technology

E-waste makes up most toxic metals in landfills

That drawer full of old Nokia phones and tangled chargers is a certified ecological hazard. While e-waste only accounts for about 2% of the actual physical…

Discover more
Your rearview mirror can dim itself
Transport

Your rearview mirror can dim itself

When the glaring headlights of the truck behind you magically dim, it is not a tinted glass sliding down. It is basically an electric charge running through a…

Discover more
Did cold winters give Stradivarius violins their sound
Technology

Did cold winters give Stradivarius violins their sound

Centuries of musical elitism have surrounded these legendary stringed instruments with an aura of pure mystic genius. Modern evidence suggests the magical…

Discover more
Why one bad bounce can kill your trampoline jump
Science

Why one bad bounce can kill your trampoline jump

Jumping across a grid of connected trampolines makes you feel like an acrobat, but the physics are actively dampening your fun. When multiple people bounce on…

Discover more
The childhood bug hunt behind Pokémon
Games

The childhood bug hunt behind Pokémon

A multi-billion dollar multimedia empire is entirely based on a neurodivergent kid's love for bugs. Growing up in rural Japan, Satoshi Tajiri spent all his…

Discover more
Splatoon settles turf wars by counting pixels
Culture & entertainment

Splatoon settles turf wars by counting pixels

Forget complex area control algorithms; the game literally just takes a top-down screenshot of the map at the end of the match and counts the colored pixels.…

Discover more
Leeches can numb you before they bite
Science

Leeches can numb you before they bite

Bloodsucking worms have better bedside manners than most human dentists. To ensure they can feed without being noticed and violently removed, leeches inject a…

Discover more
Tim Tams can become straws for hot drinks
Travel

Tim Tams can become straws for hot drinks

Biting the corners off this chocolate biscuit turns it into a functional tube. You then use it to aggressively inhale hot tea or coffee until the entire…

Discover more
Potholes form when underground moisture expands
Transport

Potholes form when underground moisture expands

Your local municipality isn't just ignoring the street, the pavement is literally blowing itself up from within. Water seeps into microscopic cracks in the…

Discover more
Why red hair resists dye
Health

Why red hair resists dye

If you have ever tried to dye naturally red hair, you already know it is an exercise in futility. The pigment responsible for red hair is so incredibly…

Discover more
Hexahedrons conceptually stabilize completely erratic energy
Myths & mysteries

Hexahedrons conceptually stabilize completely erratic energy

Better known to the mundane world as a simple cube, this six-sided solid is the absolute champion of structural boredom. It does not roll, it does not easily…

Discover more
Mount Vesuvius sits uncomfortably close to populated zones
Science

Mount Vesuvius sits uncomfortably close to populated zones

Famous for rapidly completely annihilating ancient Roman settlements, this incredibly dangerous European volcano constantly threatens millions of oblivious…

Discover more
The Mona Lisa is smaller than you expect
Travel

The Mona Lisa is smaller than you expect

If you are planning a deeply emotional, intimate moment with Leonardo da Vinci's greatest masterpiece, prepare for brutal disappointment. The actual painting…

Discover more
Professional pool requires players to call their exact shots
Games

Professional pool requires players to call their exact shots

Accidentally smashing the cue ball and praying something drops into a hole is for the local dive bar. True professionals must vocally announce exactly which…

Discover more
Viacom sued YouTube over clips its own staff uploaded
Culture & entertainment

Viacom sued YouTube over clips its own staff uploaded

Corporate left hand, meet the corporate right hand. Viacom launched a massive copyright war against Google for hosting pirated clips of MTV and Comedy…

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