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
Stunt drivers undergo extreme physical conditioning
They train to withstand the forces of crashes in heavily modified cars, including high-speed impacts with concrete barriers.
Discover more
Your forearm bones cross every time you turn your palm down
When you turn your palm down, the radius rotates over the ulna. The bones cross into an X, letting your hand turn without your whole arm having to twist as…
Discover more
Thigh muscles deliberately split into four massive heads
Four muscles make up the quadriceps—the rectus femoris and three vastus muscles. Their force gathers into a shared tendon that helps straighten the knee,…
Discover more
Spam is named after spiced ham
The name combines “spiced” and “ham,” a simple description of the canned pork.
Discover more
Billboard advertising started for drivers
Early motorists passed ordinary shop signs too quickly to read them, so businesses put up large wooden boards with text drivers could see from the road.
Discover more
Why tourists sail toward Niagara Falls' raging water
Tour boats follow a controlled route into the spray below Niagara Falls, where powerful engines hold them against the current. Passengers get close enough to…
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.
Those theme-park trains may have no tracks
The cars ride on rubber tires over pavement, not steel wheels on rails. A lead vehicle follows the park route and pulls the rest along, making a train that…
Discover more
Xiezhi goats ramming chronic liars instantly
In the legend, the single-horned Xiezhi could spot a liar and ram them—a very physical form of cross-examination.
Discover more
A pendulum can reveal Earth’s rotation
Watch a long-swinging pendulum and its path seems to turn, but the pendulum is mostly keeping its direction while Earth rotates below. At the poles, the…
Discover more
Mass Effect 3 got a second attempt at saying goodbye
After backlash over the trilogy's ending, BioWare released the free Extended Cut in 2012. Added scenes and epilogues gave more context to the final choices…
Discover more
What makes Pop Rocks crackle
Pressurized carbon dioxide is trapped in the candy as it cools. When saliva dissolves the sugar, the gas escapes in tiny pops.
Discover more
Lengthening muscles under tension guarantees maximum agony
Lowering a weight is not a rest phase: your muscles are still braking the load as they lengthen. That eccentric work can leave tiny muscle damage associated…
Discover more
Tomb Raider's remaster kept the old engine under the new look
The remaster developers said they used the original source code and engine to preserve how the games work while updating presentation. Players can switch…
Discover more
Under Pressure was nearly lost during a pizza break
The bassist stepped away to eat and came back unable to recall the riff. The band had to piece it back together in a brainstorming session; the song's most…
Discover more
Ben and Jerry planned a bagel company first
Bagel-making equipment cost too much to get started, so Ben and Jerry switched to ice cream. Their famous business began when the machinery for the original…
Discover more
Nurikabe walls actively blocking mountain paths
Travelers encounter it as an invisible barrier that can stretch across a path, leaving them unable to continue.
Discover more
A trillion-dollar valuation isn't a trillion dollars
If a company has a billion shares, a one-dollar rise in each share adds a billion dollars to its market value on paper. No matching pile of cash appears in a…
Discover more
James Bond's creator also gave a family a flying car
Ian Fleming wrote Chitty Chitty Bang Bang, a children's adventure about the Pott family and an extraordinary restored automobile. The car has a will of its…
Discover more
Why Sturgeon's law says most art is mediocre
Sturgeon’s law is a reminder that exceptional art stands out against a much larger flood of ordinary work. When nearly anything can be made and shared, the…
Discover more
The one-page-per-minute rule of screenwriting
A screenplay page is often treated as roughly a minute of screen time, but it’s a rule of thumb—not a rigid formula that gets scripts tossed.
Discover more
You can take a class in the car moves movies tell you not to try
Australia's Stunt Driving School teaches controlled handbrake turns and spins in prepared cars. The setting matters as much as the stunt: an instructor, a…
Discover more
Literally anything capable of going wrong absolutely will
When a problem is possible, you can picture it in advance—and when it happens, it sticks in memory. That makes failures feel both inevitable and strangely…
Discover more
This Swiss mountain has an outdoor elevator
Opened in 1905, the Hammetschwand lift rises beside a cliff above Lake Lucerne. Its exposed steel tower carries visitors above the rock face, where a bridge…
Discover more
Your shoulder blade slides over your ribs instead of hinging to them
Muscles guide the shoulder blade across the rib cage as you reach overhead or forward. That sliding surface is not a true bone-to-bone joint, although the…
Discover more