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

War shortages gave us synthetic rubber
A shortage can turn a laboratory alternative into a material made at scale. Wartime shortages accelerated synthetic rubber’s development and production, while…
Discover more
Flapping oversized magical appendages to fly
A wing’s broad surface catches air as it sweeps down, creating lift that holds the body aloft. Big wings make room for big pushes, though turning around…
Discover more
Why a clue was once a ball of yarn
In the Greek myth, Ariadne gave Theseus a ball of thread to trace his way back out of the Labyrinth. That ball was called a “clew,” an old word for yarn; over…
Discover more
Your rose-scented perfume may come from yeast
Engineered yeast can produce the same rose-scented compounds used in perfume, offering an alternative to growing flowers.
Discover more
Jousting while balancing on tall extended poles
On stilts, a jouster stands high above a narrow base, where each shove creates a big wobble. The long poles bring the opponents within reach; balance gets no…
Discover more
Shampoo once meant a full-body massage
The word originally referred to kneading and pressing the body to relieve pain; its meaning later shifted to washing hair.
Discover moreA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.

How leapfrog can turn a game into a back injury
If the jumper misjudges the leap, their weight can land on the other person’s lower back.
Discover more
Why your gym clothes can stretch and snap back
Stretchy workout fabric gets its spring from elastane: its long molecules are coiled like tiny springs. Pull the cloth and the coils unspool; let go and they…
Discover more
When “bimbo” meant a brutish man
Before it became an insult aimed at foolish women, “bimbo” described a brutish, intimidating man who relied on muscle over brains.
Discover more
How axe-throwing bars turn scrap wood into nightlife
The equipment is bargain-bin simple: construction lumber and axes from a hardware store. The bar charges groups premium prices for the chance to throw them at…
Discover more
Sliding down a giant magical rainbow
Magic turns the rainbow into a solid, curved slide, and gravity does the rest, pulling riders down its arc. The colors offer excellent decoration; the laws of…
Discover more
Your body knows where your limbs are without looking
Your arm’s position is being reported from the inside. Receptors in muscles and joints send signals about how your body is moving, and your brain combines…
Discover more
Matterhorn bobsleds hide a secret basketball hoop
Employees installed a small basketball backboard in the hollow upper third of Disneyland’s Matterhorn as a break spot for climbers who scale the mountain.
Discover more
A handshake isn't a universal hello
A greeting that feels friendly in one setting can feel overly familiar in another. Bows, curtsies, and handshakes signal different expectations about touch,…
Discover more
Carbon dating measures the radioactive decay of carbon-14
Living organisms continually take in carbon-14; after death, that intake stops and the isotope decays into nitrogen. Measuring how much remains helps estimate…
Discover more
Racing down steep playground chutes
The steeper the slide, the larger the downhill part of gravity’s pull, so riders pick up speed quickly. The plastic surface offers some resistance; it is not,…
Discover more
Municipal tap water uses chloramine for cheap disinfection
Treatment plants combine chlorine with ammonia to make chloramine, which lasts longer in pipes and helps protect water on its way to your tap.
Discover more
Ronald McDonald's original costume was pure nightmare fuel
His first costume used a cardboard tray as a hat, complete with a fake burger and fries, plus a paper cup strapped to his nose.
Discover more
Cheerleading uniforms update as fast as trends do
A younger cheerleader may inherit a uniform that still fits, only to find the team has moved on to a new design. Frequent style updates make those…
Discover more
When barbers also performed surgery
Before medicine and barbering became separate trades, a barber's sharp razor was already a practical tool for procedures such as bloodletting and wound care.…
Discover more
The Lincoln Memorial once had a typo in stone
An engraver carved an 'E' where an 'F' belonged; workers filled in part of the letter to correct the mistake.
Discover more
Why class rings disappear after graduation
Students could buy oversized class rings right in the school cafeteria. After graduation, many stopped wearing them when the rings felt out of place in adult…
Discover more
Living E. coli can carry a video in its DNA
Researchers encoded a video in the DNA of living E. coli, and the bacteria passed the data to their offspring—a squishy, self-replicating kind of storage.
Discover more
Vintage denim commands premiums for looking ruined
In the vintage market, the damage can be the selling point. Faded, worn jeans may cost more precisely because they look as if they survived a bear attack.
Discover more