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 327 / 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
Air marshals blend in by pretending to be tourists
Travel

Air marshals blend in by pretending to be tourists

Rather than wear conspicuous suits and sunglasses, they blend in as ordinary travelers, staying unnoticed until a threat emerges in the cabin.

Discover more
Cassowaries fiercely guard their chosen jungle territories
Science

Cassowaries fiercely guard their chosen jungle territories

When a cassowary charges, the real danger is at ground level: a long claw on its inner toe can inflict severe injuries. The bony casque on its head is a…

Discover more
Coffee isn't dehydrating after all
Health

Coffee isn't dehydrating after all

Caffeine can nudge urine production upward, while the coffee itself supplies fluid. With a normal cup, the water more than balances that mild effect, so…

Discover more
How fake organic labels fool shoppers
Economy

How fake organic labels fool shoppers

A shopper can’t easily check how a crop was grown just by looking at it, especially when it crossed borders. Some suppliers exploit that gap by putting fake…

Discover more
The flash drive was born to replace fragile floppy disks
Technology

The flash drive was born to replace fragile floppy disks

In 1999, Israeli company M-Systems patented the DiskOnKey, which paired flash memory with USB. With no moving parts or external power, it was less vulnerable…

Discover more
India's film industry is much bigger than Bollywood
Culture & entertainment

India's film industry is much bigger than Bollywood

Hindi-language cinema is only one part of the country's output. Telugu, Tamil, Malayalam, Kannada, Bengali, and other film industries serve different…

Discover more
First-class train cabins strictly separated social classes
Transport

First-class train cabins strictly separated social classes

The separation was built into the floor plan: different fares led to different compartments, and sometimes entirely different carriages. The train didn’t just…

Discover more
A boarding-pass photo can hand strangers your booking details
Transport

A boarding-pass photo can hand strangers your booking details

The barcode can encode your name, flight details, and booking reference. With that reference and your surname, someone could access parts of your…

Discover more
The Fellowship's tattoo included a stunt double
Culture & entertainment

The Fellowship's tattoo included a stunt double

Eight of the nine lead Fellowship actors got matching 'nine' tattoos after The Lord of the Rings. John Rhys-Davies did not, and his stunt double participated…

Discover more
Why a thumbs-up can be an insult in parts of the Middle East
Travel

Why a thumbs-up can be an insult in parts of the Middle East

In Iran and Iraq, a thumbs-up has historically been considered a vulgar insult, sometimes called “bilaakh”—closer in meaning to flipping someone off than…

Discover more
Can another language make your decisions more rational
Psychology

Can another language make your decisions more rational

A decision made in another language can feel less emotionally charged because the words carry fewer personal associations. With less of an emotional jolt, you…

Discover more
Smartwatches demand to be charged completely every day
Technology

Smartwatches demand to be charged completely every day

A traditional timepiece may run five years on one battery, while some smartwatches need a charge every 24 hours—more digital pet than set-and-forget watch.

Discover more
Phillips curve links inflation inversely to unemployment
Economy

Phillips curve links inflation inversely to unemployment

The Phillips curve describes a possible short-term trade: lower unemployment may arrive alongside higher inflation, while higher unemployment may accompany…

Discover more
Claircognizance is knowing facts without any proof
Myths & mysteries

Claircognizance is knowing facts without any proof

In psychic belief, claircognizance is an unexplained certainty about information, even without evidence—a feeling that can be mistaken for proof.

Discover more
Chakra literally translates to wheel
Myths & mysteries

Chakra literally translates to wheel

In Sanskrit, chakra means “wheel.” Traditional descriptions envision chakras as spinning hubs in the body's subtle system, not glowing orbs.

Discover more
Why Monaco citizens can't gamble at Monte Carlo casinos
Travel

Why Monaco citizens can't gamble at Monte Carlo casinos

Monte Carlo’s casinos were built to attract wealthy foreign gamblers, while Monaco citizens are barred from gambling there—and even from entering the gaming…

Discover more
Pluto remains fully powerful despite its demotion
Myths & mysteries

Pluto remains fully powerful despite its demotion

In astrology, Pluto's astronomical demotion has not diminished its symbolic force: astrologers associate it with destructive power.

Discover more
Kaieteur Falls drops in one massive single plunge
Travel

Kaieteur Falls drops in one massive single plunge

In Guyana's jungle, it sends about 30,000 gallons of water per second over a sheer cliff.

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