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 837 / 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
Namibia's fairy circles turn missing grass into a repeating pattern
Travel

Namibia's fairy circles turn missing grass into a repeating pattern

Bare circles sit among grasslands, often with taller growth around their edges. Researchers test explanations involving water competition and termites, with…

Discover more
Left-handedness stems from right motor dominance
Psychology

Left-handedness stems from right motor dominance

When someone favors the left hand, the brain’s right hemisphere plays the leading role in controlling its movements. Motor pathways mostly cross the body, so…

Discover more
When juggling was a respected athletic discipline
Culture & entertainment

When juggling was a respected athletic discipline

In ancient cultures, juggling was a competitive physical discipline, not just party entertainment.

Discover more
Vending machines drop snacks to create satisfaction
Economy

Vending machines drop snacks to create satisfaction

The machine's thump tells you the snack actually fell. That little sound is part of the purchase: payment is followed by an audible confirmation, not just a…

Discover more
Rudolf II built his lion a court of its own
History

Rudolf II built his lion a court of its own

Prague's Lion's Court began in 1581 as an enclosure commissioned by the emperor and designed by Italian architect Ulrico Aostalli. An exotic animal at court…

Discover more
The satirist who tried selling dogs for a living
History

The satirist who tried selling dogs for a living

Before writing The Good Soldier Švejk, Jaroslav Hašek edited an animal magazine and later opened a dog-trading business with his wife. He gave the venture the…

Discover more
Mikhail Lermontov flipped a coin to decide his travels
History

Mikhail Lermontov flipped a coin to decide his travels

He let a coin toss decide which city to move to, leaving a major career choice to chance.

Discover more
Romania put a lake inside a chamber carved out for salt
Travel

Romania put a lake inside a chamber carved out for salt

At Salina Turda, miners left a bell-shaped chamber roughly 90 meters high and 75 meters across. Water now covers about 80 percent of its floor, surrounding an…

Discover more
Dark night crushes the ego into fragments
Myths & mysteries

Dark night crushes the ego into fragments

Some esoteric traditions interpret a collapse of belief and hope as a spiritual crisis on the path to enlightenment, rather than simply a sign of progress.

Discover more
Why comedy duos need a straight man
Culture & entertainment

Why comedy duos need a straight man

By reacting like a reasonable audience member, the straight man gives the chaos a contrast that makes the other performer's antics funnier.

Discover more
Even yo-yo champions can face drug tests
Culture & entertainment

Even yo-yo champions can face drug tests

The sport's governing body tests competitors for performance-enhancing drugs, since extreme string tricks demand focus and coordination.

Discover more
Cotton swabs were once sold as Baby Gays
Health

Cotton swabs were once sold as Baby Gays

In the 1920s, Leo Gerstenzang sold his cotton swabs under the name Baby Gays. The product was eventually renamed, leaving an old-fashioned bit of branding…

Discover more
A Danish king's physician became the country's effective ruler
History

A Danish king's physician became the country's effective ruler

Johann Friedrich Struensee gained extraordinary influence over Christian VII, whose mental illness limited his involvement in government. With access to the…

Discover more
Dalí took an anteater on a Paris outing
History

Dalí took an anteater on a Paris outing

Photographs show Salvador Dalí with an anteater on a leash in Paris in 1969. The animal made an ordinary public outing look like an extension of his…

Discover more
An injury record can identify who caused it as well as what happened
Health

An injury record can identify who caused it as well as what happened

ICD-10-CM includes external-cause categories and, for confirmed abuse, codes describing the perpetrator's relationship to the patient, including a sibling.…

Discover more
Henry III acquired a story about wearing his lapdogs
History

Henry III acquired a story about wearing his lapdogs

Older histories describe the French king carrying little dogs in a basket suspended from his neck. The image became part of accounts portraying his court as…

Discover more
Cereal boxes can meet shoppers at different eye levels
Economy

Cereal boxes can meet shoppers at different eye levels

A 2014 study reported downward-looking mascots on many children's cereals and straighter gazes on adult products. That arrangement could put a cartoon face…

Discover more
Number eight represents infinite loops
Myths & mysteries

Number eight represents infinite loops

Turned sideways, 8 becomes ∞, the familiar symbol for eternity. Occult traditions also use it to represent cosmic cycles and boundless energy.

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