History
Discover facts about history. Small discoveries that change the way you see familiar things.
History
Why Tetris keeps appearing everywhere
Tetris needs little more than a screen and a way to move pieces, so developers keep porting it to calculators, car dashboards, and whatever else can display a…
Discover more
Vinyl records were pressed entirely from shellac
Female lac bugs secreted the resin that manufacturers molded into early records. Long before plastic took over the format, a bug was part of the music supply…
Discover more
When synthesizers sounded like a bad joke
Traditional musicians dismissed electronic keyboards as talentless toys because their robotic sounds seemed to lack the skill of conventional instruments. Pop…
Discover more
An orange carrot depends on genes being switched off
A study of more than 600 carrot varieties identified three genes whose recessive versions enable the familiar orange pigmentation. The result favors…
Discover more
The US offered Denmark $100 million in gold for Greenland
The 1946 proposal reflected the island's strategic position between North America and Europe. Denmark did not accept it. Greenland's importance was not a…
Discover more
Roman soldiers carved phalluses into Hadrian's Wall
Phalluses could serve as protective symbols in the Roman world, intended to ward off bad luck and hostile forces. Carvings survive around Hadrian’s Wall and…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
The Venus de Milo's missing hand may have held an apple
A hand holding an apple was found near the statue, but whether it belonged to her remains uncertain. Other reconstructions propose a shield. Restoring the…
Discover more
The Scream exists in four different versions
Edvard Munch made four versions in different paints and pastels, repeatedly returning to the image of a screaming sky.
Discover more
A pretzel's crossed arms come with a monastery legend
One origin story says monks shaped dough like arms folded in prayer and gave it to children. The tale is not a securely documented invention record, but it…
Discover more
A cricket match ran so long England had a ship to catch
The 1939 'timeless' Test in Durban stretched across ten days, including interruptions, without producing a winner. England's return voyage eventually helped…
Discover more
Romans Considered Undiluted Wine Barbaric
Romans treated drinking wine straight as a sign of uncultured excess, so they mixed it with water, seawater, or spices. The point wasn’t just the drink; it…
Discover more
Michelangelo’s David does not look in one direction
A medical analysis of the statue described a subtle divergence between David’s eyes. It is difficult to notice from the ground, where the enormous head is…
Discover more
Early space meals were squeezed directly from tubes
In weightlessness, loose crumbs could float into equipment or astronauts’ eyes, so early meals came as puréed beef and vegetables in aluminum tubes.…
Discover more
A shoebox under a bed protected the World Cup trophy
During World War II, Italian football official Ottorino Barassi hid the Jules Rimet Trophy in his Rome home to keep it from Nazi hands. The gold-plated silver…
Discover more
Vermeer's famous earring is an illusion made from remarkably little paint
The bright highlight and reflected light persuade the eye to read a large, rounded jewel. Its material is uncertain, and researchers have questioned whether…
Discover more
Gummy bears began as dancing bears
The sweets borrowed their shape from dancing bears, once made to perform at European street festivals. The candy kept the bear; the captive animal and the…
Discover more
Tiny green beetle destroys American ash
The adult beetle is small; its larvae tunnel under bark and disrupt the tree’s nutrient supply. That quiet damage has killed millions of ash trees across…
Discover more
China river caused a massive 1887 flood
When a surge breached the Yellow River’s dikes, water spread across thousands of square miles. The defenses meant to contain the river turned one breach into…
Discover more
Historic Chinese earthquake shook cities
The 1556 quake struck a densely populated region where many people lived in caves cut into loose soil. When the ground shook, those dwellings collapsed,…
Discover more
How a kingpin's abandoned hippos took over Colombia
The tropical climate and lack of natural predators let the abandoned hippos breed and spread into local rivers. A private zoo became an expanding wild…
Discover more
Submarine-listening equipment tracked a whale's unusual voice
Researchers followed distinctive calls near 52 hertz across the North Pacific for 12 years using underwater microphones, including the Navy's SOSUS network.…
Discover more
California was once drawn as an island
The mistaken island shape persisted for nearly two centuries before generations of mapmakers corrected it. A map error had an unusually long run.
Discover more
The giant snails that invaded Florida
The giant snails need calcium to build their shells, so they scrape it from house paint. In Florida, even the siding can end up on the menu.
Discover more
California houses the most massive tree
General Sherman holds the record by trunk volume, not height. Its enormous trunk makes it the most massive tree, even though other trees grow taller.
Discover more