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
Created by Paul Mockapetris in 1983, the Domain Name System was invented because people were literally using a single text file named 'HOSTS.TXT' that had to be manually updated…
Created by Paul Mockapetris in 1983, the Domain Name System was invented because people were literally using a single text file named 'HOSTS.TXT' that had to…
Discover more
King Goujian of Yue used a military tactic in ancient China where his front line consisted entirely of condemned criminals who would decapitate themselves right before the battle started.
King Goujian of Yue used a military tactic in ancient China where his front line consisted entirely of condemned criminals who would decapitate themselves…
Discover more
Black Moon Lilith is not an actual physical planet or asteroid, but rather an empty, mathematical point in space representing the furthest point of the moon's elliptical orbit around Earth.
Black Moon Lilith is not an actual physical planet or asteroid, but rather an empty, mathematical point in space representing the furthest point of the moon's…
Discover more
Urinary bladders are exceptionally highly flexible muscular sacs capable of comfortably holding up to half a liter of liquid, and their internal stretch receptors continuously…
Urinary bladders are exceptionally highly flexible muscular sacs capable of comfortably holding up to half a liter of liquid, and their internal stretch…
Discover more
United States Postal Service delivery trucks famously do not have air conditioning, which results in cabin temperatures regularly exceeding one hundred and twenty degrees during…
United States Postal Service delivery trucks famously do not have air conditioning, which results in cabin temperatures regularly exceeding one hundred and…
Discover more
Marvel's iconic Iron Man repulsor beam sound effect was actually created by striking an empty metal trash can, showcasing how blockbuster movies rely on ridiculously mundane items to create their futuristic aesthetic.
Marvel's iconic Iron Man repulsor beam sound effect was actually created by striking an empty metal trash can, showcasing how blockbuster movies rely on…
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.
Moving walkways in airports actually cause passengers to travel slower on average because human beings subconsciously reduce their normal walking speed when stepping onto them;…
Moving walkways in airports actually cause passengers to travel slower on average because human beings subconsciously reduce their normal walking speed when…
Discover more
Dungeons and Dragons only uses its iconic, strangely shaped polyhedral dice because co-creator Gary Gygax stumbled across them in an educational catalog meant for school math teachers in the early 1970s.
Dungeons and Dragons only uses its iconic, strangely shaped polyhedral dice because co-creator Gary Gygax stumbled across them in an educational catalog meant…
Discover more
Wyoming currently possesses a grand total of two escalators in the entire state, both of which are safely located inside banks in the city of Casper; for a territory that spans…
Wyoming currently possesses a grand total of two escalators in the entire state, both of which are safely located inside banks in the city of Casper; for a…
Discover more
Genghis Khan originally tried to establish a peaceful trade route with the Khwarezmid Empire, but the local governor made the fatal error of executing the Mongol ambassadors.
Genghis Khan originally tried to establish a peaceful trade route with the Khwarezmid Empire, but the local governor made the fatal error of executing the…
Discover more
Medieval combat manuals often included ridiculous instructions, but none top the judicial duel rules between a man and a woman in fifteenth-century Germany.
Medieval combat manuals often included ridiculous instructions, but none top the judicial duel rules between a man and a woman in fifteenth-century Germany.…
Discover more
Passport stamps are slowly becoming obsolete because countries are rapidly transitioning to biometric facial recognition gates and electronic visas to speed up the notoriously sluggish border control processes.
Passport stamps are slowly becoming obsolete because countries are rapidly transitioning to biometric facial recognition gates and electronic visas to speed…
Discover more
Modern helicopters fundamentally owe their foundational aerodynamics to ancient Chinese bamboo flying toys that existed over two thousand years before the Wright brothers were…
Modern helicopters fundamentally owe their foundational aerodynamics to ancient Chinese bamboo flying toys that existed over two thousand years before the…
Discover more
Cancer the crab has arguably the most pathetic origin story of any zodiac constellation in Greek mythology.
Cancer the crab has arguably the most pathetic origin story of any zodiac constellation in Greek mythology. While other signs get to be majestic lions, fierce…
Discover more
German autobahns don't actually have completely unrestricted speed limits everywhere, as roughly forty percent of the highway network enforces strict speed zones due to heavy…
German autobahns don't actually have completely unrestricted speed limits everywhere, as roughly forty percent of the highway network enforces strict speed…
Discover more
Mattel's iconic Barbie actually has a full legal name, Barbara Millicent Roberts, and she officially hails from the completely fictional midwestern town of Willows, Wisconsin,…
Mattel's iconic Barbie actually has a full legal name, Barbara Millicent Roberts, and she officially hails from the completely fictional midwestern town of…
Discover more
Hawaiian beaches naturally come in a bizarre variety of colors including white, black, green, and even red sand, all due to the unique volcanic mineral compositions and ancient lava flows breaking down over millennia.
Hawaiian beaches naturally come in a bizarre variety of colors including white, black, green, and even red sand, all due to the unique volcanic mineral…
Discover more
World of Warcraft accidentally simulated a highly realistic global pandemic in 2005 during an infamous incident known as the Corrupted Blood incident.
World of Warcraft accidentally simulated a highly realistic global pandemic in 2005 during an infamous incident known as the Corrupted Blood incident. A raid…
Discover more
Soviet intelligence agents attempted to blackmail Indonesian President Sukarno during the Cold War by secretly filming him participating in a massive, enthusiastic orgy with…
Soviet intelligence agents attempted to blackmail Indonesian President Sukarno during the Cold War by secretly filming him participating in a massive,…
Discover more
Enteric nervous systems are embedded directly in the lining of the human gastrointestinal tract, consisting of over one hundred million neurons that can operate entirely independently from the brain in your head.
Enteric nervous systems are embedded directly in the lining of the human gastrointestinal tract, consisting of over one hundred million neurons that can…
Discover more
Overclocking enthusiasts in the late nineties pioneered liquid cooling for personal computers by literally hacking together makeshift systems using cheap aquarium pumps and car heater cores.
Overclocking enthusiasts in the late nineties pioneered liquid cooling for personal computers by literally hacking together makeshift systems using cheap…
Discover more
Visual information heavily dominates your auditory perception, leading to a bizarre sensory illusion officially termed the McGurk effect; if you watch a video of a person…
Visual information heavily dominates your auditory perception, leading to a bizarre sensory illusion officially termed the McGurk effect; if you watch a video…
Discover more
Board games featuring astrological mechanics were famously created in the nineteen seventies, specifically designed to help swingers at adult dinner parties figure out their…
Board games featuring astrological mechanics were famously created in the nineteen seventies, specifically designed to help swingers at adult dinner parties…
Discover more
Ocarina of Time creator Shigeru Miyamoto originally planned for the groundbreaking Nintendo 64 game to be played entirely from a first-person perspective to better showcase the immersive 3D environments of Hyrule.
Ocarina of Time creator Shigeru Miyamoto originally planned for the groundbreaking Nintendo 64 game to be played entirely from a first-person perspective to…
Discover more