The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Convention attendees standing in massive lines for demos
Some attendees spend as long as eight hours in line for a five-minute demo of an unfinished game that may crash.
Discover more
Desktop computer cases are mostly empty air
Unless it's packed with custom hardware, a desktop case can be mostly empty space—a cavern around the components.
Discover more
Charging literal rocks on the front porch
Some people leave polished stones or glass outside overnight, believing they absorb ambient light and can make the coming workweek feel a little brighter.
Discover more
Why blind people gesture while talking
Gestures can help speakers organize thoughts, even when nobody can see them. People blind from birth still move their hands while talking, suggesting the…
Discover more
Ganser syndrome is known for answers that narrowly miss the obvious
Case reports describe people giving approximate answers to simple questions, such as saying a horse has five legs. The pattern is rare and its interpretation…
Discover more
First battery was a pile of alternating metal discs
Volta separated zinc and copper discs with saltwater-soaked cloth, creating a chemical reaction that produced a steady current. Unlike a static spark, it kept…
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.
Parallel universes explain bad memories
Some people explain shared false memories by claiming they come from alternate timelines—for example, one where a children’s book had a different…
Discover more
Why D&D has a gelatinous cube
Gary Gygax invented it to explain why monster-filled dungeons weren’t cluttered with corpses and trash: the 10-by-10-foot acidic cube dissolved the mess as it…
Discover more
Why human eyes have such white sclera
The bright white around the iris makes shifts in eye direction visible. That lets another person tell what you're looking at and follow your gaze, even when…
Discover more
Why burning off your fingerprints won’t erase them
Fingerprint ridges are shaped in a deeper skin layer, not just in the surface you can burn or scrape. If that underlying pattern-forming tissue survives,…
Discover more
Early Chinese officials recorded data on heavy bamboo strips
Bamboo strips were tied into bulky bundles, so moving a large library could take a fleet of oxen. Their weight helped make paper a far more practical way to…
Discover more
Ancient Egyptians played marbles too
Archaeologists found carefully made clay and stone spheres in Egypt, suggesting people played games resembling marbles thousands of years ago.
Discover more
Cells aggressively swallowing nearby objects
A cell wraps its membrane around a nearby particle, pinches it off into a bubble, then digests what’s inside. The process is called phagocytosis: cellular…
Discover more
First house ruler in second creates money hunger
In astrology, this placement is said to tie a person’s sense of self to possessions and material wealth.
Discover more
An ancient chasing game began with a two-sided shell
In the Greek game ostrakinda, one side of a shell or shard was light and the other dark. A toss decided which team chased and which fled. A simple object…
Discover more
The hashtag was proposed before Twitter adopted it
Before Twitter adopted hashtags, an early user suggested putting # in front of topics. The label gave scattered posts a shared tag, so a search could gather…
Discover more
Midheaven degrees dictate how desperately you want fame
In astrology, the Midheaven is associated with public reputation and ambition, from the kind of career someone wants to the legacy they hope to leave.
Discover more
Practicing beyond mastery locks in permanent pathways
Getting a skill right once proves you can do it; practicing it beyond that point helps make it automatic. Repeated practice strengthens the route from cue to…
Discover more
Losing 100 hairs a day is normal
Hair follicles take turns growing a strand, resting, and releasing it. Because those cycles don’t all happen at once, some hairs normally come loose each day…
Discover more
Intellivision controller utilizes a massive numeric keypad
The controller had a large numeric keypad, and players slid an overlay over it to identify what each button did.
Discover more
China's ART looks like a tram but steers on tires
The linked vehicle follows a virtual track using electronic guidance and coordinated steering across its axles. Rubber tires replace steel wheels and rails,…
Discover more
Packaged ice manufacturing requires severe water filtration
Clear commercial ice starts with water stripped of minerals and trapped air. Ice makers use reverse osmosis so the finished cubes come out clear and uniform.
Discover more
In South Sudan, cows can pay for a wedding
The payment can be a herd: a wedding or blood-feud settlement in South Sudan may call for 40 cows. Cattle are valuable enough to stand in for cash when a…
Discover more
Sunscreen gives ultraviolet energy somewhere else to go
UV filters absorb radiation and dissipate its energy, helping keep it from damaging skin. Mineral filters such as zinc oxide absorb UV too, as well as…
Discover more