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
Ancient Rome pushed much of its cart traffic out of daylight.
Ancient Rome pushed much of its cart traffic out of daylight. A municipal law associated with Caesar restricted daytime wagon traffic, with exemptions for…
Discover more
France ordered wider trains and then had to trim the platforms.
France ordered wider trains and then had to trim the platforms. The mismatch exposed in 2014 affected about 1,300 platforms, according to a World Bank case…
Discover more
France started building a fake Paris to mislead bombers.
France started building a fake Paris to mislead bombers. Near the end of World War I, planners designed decoy railways, buildings, and lighting outside the…
Discover more
Software engineers created a cryptocurrency based on a popular internet meme of a shiba inu dog in 2013 purely to mock the rampant speculation in the digital asset market.
Software engineers created a cryptocurrency based on a popular internet meme of a shiba inu dog in 2013 purely to mock the rampant speculation in the digital…
Discover more
GoldenEye gave its pause screen a soundtrack people wanted to keep playing.
GoldenEye gave its pause screen a soundtrack people wanted to keep playing. Grant Kirkhope's watch-menu music became memorable far beyond its job of…
Discover more
A heavy jet can shed fuel before coming back to land.
A heavy jet can shed fuel before coming back to land. Fuel adds weight that a long flight would normally burn away. After an early return, aircraft equipped…
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.
IBM introduced the first commercial computer hard drive in 1956, known as the RAMAC 305, which weighed over a ton and required a forklift just to move it around.
IBM introduced the first commercial computer hard drive in 1956, known as the RAMAC 305, which weighed over a ton and required a forklift just to move it…
Discover more
America tested bombs carried by living bats.
America tested bombs carried by living bats. During World War II, researchers fitted bats with tiny incendiary devices, hoping they would roost inside…
Discover more
Japan's vending machines sell much more than soda.
Japan's vending machines sell much more than soda. The country's vending-machine statistics include food and household goods as well as drinks; broader totals…
Discover more
Tetris effect occurs when people devote so much time and attention to an activity that it begins to pattern their thoughts, mental images, and dreams.
Tetris effect occurs when people devote so much time and attention to an activity that it begins to pattern their thoughts, mental images, and dreams. After…
Discover more
Your nostrils quietly take turns being the clearer airway.
Your nostrils quietly take turns being the clearer airway. Blood flow changes the swelling of tissue inside the nose, making airflow greater on one side and…
Discover more
Coca-Cola's nickel price became a surprisingly stubborn habit.
Coca-Cola's nickel price became a surprisingly stubborn habit. For decades, contracts, advertising, and vending machines helped keep a five-cent Coke…
Discover more
Someone measured Tom Cruise's running and compared it with box office.
Someone measured Tom Cruise's running and compared it with box office. Rotten Tomatoes grouped his films by estimated on-screen running distance and found…
Discover more
Magic Kingdom hides a working floor beneath its streets.
Magic Kingdom hides a working floor beneath its streets. Guests walk above the utilidors, a network used for staff movement and backstage services. Building…
Discover more
Rod Serling helped write more than half of The Twilight Zone.
Rod Serling helped write more than half of The Twilight Zone. The original series ran for 156 episodes, and its archive credits Serling with writing or…
Discover more
Iceland's banks outgrew the country that stood behind them.
Iceland's banks outgrew the country that stood behind them. By the end of 2007, the banking sector's assets were about nine times Iceland's annual economic…
Discover more
Spotlight effect is the psychological phenomenon by which people tend to believe they are being noticed more than they really are.
Spotlight effect is the psychological phenomenon by which people tend to believe they are being noticed more than they really are. In a study, people wearing…
Discover more
Frequency illusion, commonly known as the Baader-Meinhof phenomenon, is a cognitive bias where, after noticing something for the first time, there is a tendency to notice it more…
Frequency illusion, commonly known as the Baader-Meinhof phenomenon, is a cognitive bias where, after noticing something for the first time, there is a…
Discover more
Iceland began monitoring mosquitoes found there in 2025.
Iceland began monitoring mosquitoes found there in 2025. Researchers investigated finds in Kjós and a stable in Ölfus, using traps and searches for breeding…
Discover more
George Lucas filmed a cameo appearance with the members of the 90s boy band NSYNC as Jedi Knights in the background of Star Wars Attack of the Clones to appease his teenage daughters.
George Lucas filmed a cameo appearance with the members of the 90s boy band NSYNC as Jedi Knights in the background of Star Wars Attack of the Clones to…
Discover more
IBM engineer David Bradley created the infamous "Ctrl-Alt-Delete" keyboard shortcut in 1981 as a quick way to safely reboot a computer without powering it down completely,…
IBM engineer David Bradley created the infamous "Ctrl-Alt-Delete" keyboard shortcut in 1981 as a quick way to safely reboot a computer without powering it…
Discover more
Nokia made paper long before it made phones.
Nokia made paper long before it made phones. Its story began with Fredrik Idestam's Finnish pulp mill in 1865. The company that became familiar through mobile…
Discover more
One train journey can take you across seven time zones.
One train journey can take you across seven time zones. The Trans-Siberian route between Moscow and Vladivostok runs roughly 9,300 kilometers and takes about…
Discover more
Google founders Larry Page and Sergey Brin originally named their revolutionary search engine algorithm "BackRub" in 1996 because the system checked backlinks to estimate the importance of a site.
Google founders Larry Page and Sergey Brin originally named their revolutionary search engine algorithm "BackRub" in 1996 because the system checked backlinks…
Discover more