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 666 / 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
Sales of Caller ID devices tripled in the United States immediately following the release of the horror movie Scream in 1996, as teenagers suddenly grew terrified of answering…
Culture & entertainment

Sales of Caller ID devices tripled in the United States immediately following the release of the horror movie Scream in 1996, as teenagers suddenly grew terrified of answering…

Sales of Caller ID devices tripled in the United States immediately following the release of the horror movie Scream in 1996, as teenagers suddenly grew…

Discover more
Franz Joseph Gall invented the mystical pseudo-science of phrenology, convincing nineteenth-century intellectuals that a person's entire personality and future could be…
Myths & mysteries

Franz Joseph Gall invented the mystical pseudo-science of phrenology, convincing nineteenth-century intellectuals that a person's entire personality and future could be…

Franz Joseph Gall invented the mystical pseudo-science of phrenology, convincing nineteenth-century intellectuals that a person's entire personality and…

Discover more
Helena Roerich claimed to receive telepathic messages from a spiritual master named Morya, which guided her and her famous painter husband on a massive, grueling expedition through the Himalayas in the 1920s.
Myths & mysteries

Helena Roerich claimed to receive telepathic messages from a spiritual master named Morya, which guided her and her famous painter husband on a massive, grueling expedition through the Himalayas in the 1920s.

Helena Roerich claimed to receive telepathic messages from a spiritual master named Morya, which guided her and her famous painter husband on a massive,…

Discover more
A memorial diamond turns mourning into a material science problem.
Economy

A memorial diamond turns mourning into a material science problem.

A memorial diamond turns mourning into a material science problem. Companies market lab-grown diamonds made using carbon recovered from cremated remains or…

Discover more
Babe’s farm used real animals and mechanical doubles.
Culture & entertainment

Babe’s farm used real animals and mechanical doubles.

Babe’s farm used real animals and mechanical doubles. The 1995 production combined trained animals, animatronics, and digitally enhanced footage. When a dog…

Discover more
Social connection belongs in the health conversation.
Health

Social connection belongs in the health conversation.

Social connection belongs in the health conversation. Long-term studies link social isolation with increased risk of premature death, and the U.S. Surgeon…

Discover more
A monastery could outlive every monk living inside it and still own the same land.
Economy

A monastery could outlive every monk living inside it and still own the same land.

A monastery could outlive every monk living inside it and still own the same land. Property belonged to the continuing religious community rather than to a…

Discover more
Tupperware parties taught customers how to use the product.
Economy

Tupperware parties taught customers how to use the product.

Tupperware parties taught customers how to use the product. The airtight seal was not self-explanatory on a department-store shelf. Home demonstrations let…

Discover more
Many of Mister Rogers' famous sweaters were knitted by his mother.
Culture & entertainment

Many of Mister Rogers' famous sweaters were knitted by his mother.

Many of Mister Rogers' famous sweaters were knitted by his mother. The cardigan he put on at the start of each show was not just a costume chosen to look…

Discover more
Public economics heavily studies the free-rider problem, a frustrating market failure that occurs when individuals actively consume a shared resource without paying their fair share for its maintenance.
Economy

Public economics heavily studies the free-rider problem, a frustrating market failure that occurs when individuals actively consume a shared resource without paying their fair share for its maintenance.

Public economics heavily studies the free-rider problem, a frustrating market failure that occurs when individuals actively consume a shared resource without…

Discover more
Bestselling self-help books promote the law of attraction, a mystical belief that simply thinking positive thoughts will magically manipulate the universe into sending you massive amounts of wealth and success.
Myths & mysteries

Bestselling self-help books promote the law of attraction, a mystical belief that simply thinking positive thoughts will magically manipulate the universe into sending you massive amounts of wealth and success.

Bestselling self-help books promote the law of attraction, a mystical belief that simply thinking positive thoughts will magically manipulate the universe…

Discover more
Green eyes don't contain green paint.
Health

Green eyes don't contain green paint.

Green eyes don't contain green paint. Eye color depends on how much melanin the iris contains, where it sits, and how light interacts with its structure.…

Discover more
Airplane cabin air is dry partly because the outside air at cruising altitude contains very little moisture.
Travel

Airplane cabin air is dry partly because the outside air at cruising altitude contains very little moisture.

Airplane cabin air is dry partly because the outside air at cruising altitude contains very little moisture. Bringing it into a heated cabin produces low…

Discover more
President Richard Nixon permanently severed the United States dollar from the gold standard in 1971, officially ending the Bretton Woods system and transforming the global…
Economy

President Richard Nixon permanently severed the United States dollar from the gold standard in 1971, officially ending the Bretton Woods system and transforming the global…

President Richard Nixon permanently severed the United States dollar from the gold standard in 1971, officially ending the Bretton Woods system and…

Discover more
Doomsday prophets and modern mystics constantly warn us that a blood moon is a terrifying supernatural omen signaling the collapse of human civilization and the dawn of a new spiritual era.
Myths & mysteries

Doomsday prophets and modern mystics constantly warn us that a blood moon is a terrifying supernatural omen signaling the collapse of human civilization and the dawn of a new spiritual era.

Doomsday prophets and modern mystics constantly warn us that a blood moon is a terrifying supernatural omen signaling the collapse of human civilization and…

Discover more
Lady and the Tramp's spaghetti scene survived by being animated.
Culture & entertainment

Lady and the Tramp's spaghetti scene survived by being animated.

Lady and the Tramp's spaghetti scene survived by being animated. Walt Disney had cut the sequence after seeing its storyboards. Animator Frank Thomas…

Discover more
Tardigrades, colloquially known as water bears, can survive the lethal vacuum of space, extreme radiation, and temperatures near absolute zero by entering a state of suspended animation called cryptobiosis.
Science

Tardigrades, colloquially known as water bears, can survive the lethal vacuum of space, extreme radiation, and temperatures near absolute zero by entering a state of suspended animation called cryptobiosis.

Tardigrades, colloquially known as water bears, can survive the lethal vacuum of space, extreme radiation, and temperatures near absolute zero by entering a…

Discover more
Time twin studies routinely shatter astrological claims by tracking individuals born within minutes of each other at the exact same hospital to see if they develop similar personality traits or life trajectories.
Myths & mysteries

Time twin studies routinely shatter astrological claims by tracking individuals born within minutes of each other at the exact same hospital to see if they develop similar personality traits or life trajectories.

Time twin studies routinely shatter astrological claims by tracking individuals born within minutes of each other at the exact same hospital to see if they…

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