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 309 / 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
Bowling tenth frames allow three separate throws
Economy

Bowling tenth frames allow three separate throws

After nine rounds of strict two-throw limits, the final frame completely changes the dynamic. If you manage to knock everything down, the lane grants you a…

Discover more
Recency bias incorrectly predicts tomorrow
Economy

Recency bias incorrectly predicts tomorrow

Whatever happened yesterday is automatically assumed to be the permanent state of reality moving forward. If prices rise for three days, people violently…

Discover more
Many fish species can change their sex
Myths & mysteries

Many fish species can change their sex

Pisces is represented by two fish swimming in opposite directions. Interestingly, many fish can spontaneously change their sex depending on environmental…

Discover more
Deep ocean swells transfer energy instead of liquid mass
Transport

Deep ocean swells transfer energy instead of liquid mass

If you drop a cork in deep water, it mostly just bobs up and down as waves pass. The massive wave is actually a phantom shape of pure energy moving through…

Discover more
Mountain Dew is mostly made of concentrated orange juice
Myths & mysteries

Mountain Dew is mostly made of concentrated orange juice

That glowing neon green sludge you chug during late-night gaming sessions is hiding a citrusy secret. Beyond the massive wall of high fructose corn syrup, its…

Discover more
Exaltation placements act like extremely overhyped guests
Myths & mysteries

Exaltation placements act like extremely overhyped guests

Being in this position means the celestial body is treated like absolute royalty, showered with unearned praise. However, because it does not actually own the…

Discover more
San Francisco bay ferries connect distant coastal suburbs
Transport

San Francisco bay ferries connect distant coastal suburbs

Taking the train is crowded, so coastal residents opt for the ferry. It offers a glorious view of the Golden Gate, right up until the intense morning fog…

Discover more
You take 20,000 breaths without noticing
Health

You take 20,000 breaths without noticing

Breathing is the ultimate subconscious chore. Your diaphragm ruthlessly contracts and expands thousands of times a day without you ever actively consenting to…

Discover more
Why gamers save powerful items until the end
Games

Why gamers save powerful items until the end

You will inevitably finish the final boss with ninety-nine legendary elixirs in your inventory just in case. The paralyzing fear that you might need a…

Discover more
A flying reptile could stand as tall as a giraffe
Science

A flying reptile could stand as tall as a giraffe

The skies were once absolutely horrifying. Quetzalcoatlus remains one of the largest flying animals in history, a winged behemoth that could stand eye-to-eye…

Discover more
Electric bicycles aggressively assist your weak pedaling
Technology

Electric bicycles aggressively assist your weak pedaling

E-bikes do not just drive themselves; they aggressively judge your physical effort. Internal torque sensors constantly evaluate exactly how hard you are…

Discover more
The one-year steel penny
Economy

The one-year steel penny

In 1943, the U.S. war machine realized it was severely lacking the copper needed for ammunition and communications wiring. Instead of halting production of…

Discover more
Mortal Kombat started with Jean-Claude Van Damme
Culture & entertainment

Mortal Kombat started with Jean-Claude Van Damme

Before it became the reason your parents thought video games would turn you into a satanic murderer, it was just a failed celebrity endorsement deal. Midway…

Discover more
Early trains had to start braking miles ahead
Travel

Early trains had to start braking miles ahead

The first major locomotives operated on pure hope, shutting off the steam engine miles in advance and just praying that raw friction would eventually bring…

Discover more
How ordinary swells become rogue waves
Science

How ordinary swells become rogue waves

Mariners historically blamed sea monsters for randomly appearing walls of water, but physics is actually far more terrifying. Due to highly complex…

Discover more
Turning vapor back into solids completes the great work
Myths & mysteries

Turning vapor back into solids completes the great work

The ultimate goal of early esoteric chemistry was just making things solid again. Coagulation was the final triumph where purified vapors crystallized into…

Discover more
Memes outnumber true educational content
Myths & mysteries

Memes outnumber true educational content

Try to find serious literature on this subject online, and you will immediately be buried under an avalanche of aggressive internet humor. The community has…

Discover more
Insomniac Games was originally Xtreme Software
Games

Insomniac Games was originally Xtreme Software

Nothing screams the 1990s quite like dropping the letter 'E' from extreme. The creators of legendary purple dragons and intergalactic lombaxes started with a…

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