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

Sulfur turns blood-red when heated
Heat makes sulfur’s ring-shaped molecules link into long chains. Those chains tangle together, turning the liquid red-brown and thick enough to pour…
Discover more
A perfect 501 darts leg can end in nine throws
Two visits of three treble-20s score 360, leaving 141. A finish such as treble-20, treble-19, and double-12 clears the rest in the required double-out format.…
Discover more
The physics trick behind a perfect cup flip
A slight overhang gives the cup a pivot without making it fall early; an upward flick then sends it through a 180-degree turn.
Discover more
Alternating current reverses direction sixty times a second
A 60-hertz current completes 60 full back-and-forth cycles each second. It switches direction twice per cycle, so the flow changes direction 120 times a…
Discover more
Realizing distant bodies require multiple generations
Some distant celestial bodies take multiple generations to complete one orbit, so no single person can watch a full revolution.
Discover more
Ribbon cables save space but horribly restrict airflow
Their flat shape lets ribbon cables lie close to surfaces, but inside a desktop case they can obstruct airflow from cooling fans. Rounded cables can be easier…
Discover moreA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.

You cannot legally use a recovered document
Once a travel document is reported lost, it can be added to an international database of invalid documents. Trying to cross a border with it can lead to…
Discover more
He tested an elevator brake with an axe
Elisha Otis needed the public to trust his elevator safety brake, so he demonstrated it with himself on a raised platform. A man chopped through the hoisting…
Discover more
Why airships dump water to climb
Helium or hydrogen supplies the lift, while water ballast adds weight. Release the ballast and the airship becomes lighter than the air it displaces, rising…
Discover more
Why Myanmar once banned The Simpsons
Censors banned the show because its yellow and red colors violated a ban on those colors in films.
Discover more
You can sometimes walk from Alaska to Russia
Little Diomede, Alaska, and Big Diomede, Russia, are only 2.4 miles apart. Winter pack ice can span the gap, but crossing it is dangerous.
Discover more
Pulp Fiction says the f-word 265 times
Across its 154-minute runtime, that works out to almost two uses per minute; at the time, it set a record for a major motion picture.
Discover more
Scottish mystics famously grew forty-pound cabbages in terrible soil by allegedly asking plant devas for gardening tips
Findhorn's founders said plant devas gave them precise composting and planting advice on barren, sandy ground; they grew cabbages weighing up to 40 pounds.
Discover more
Why suppressing sadness can leave you cold
When you force sadness down, you’re not only hiding it from other people; you’re managing it inside your own attention. The work of holding back can crowd out…
Discover more
Staring at hands in dreams triggers extreme lucidity
In lucid-dreaming practice, checking your hands is a reality test: distorted or melting fingers can alert you that you're dreaming.
Discover more
Caldera collapses create massive localized sinkholes
A caldera forms when the ground above a partly emptied magma reservoir collapses. The result isn’t simply a giant hollow chamber left by the eruption: the…
Discover more
Moulin Rouge once had a giant elephant
The Moulin Rouge courtyard once featured a giant hollow stucco elephant. A spiral staircase in its leg led to a belly where belly dancers performed.
Discover more
Sri Lankan president Mahinda Rajapaksa called a snap election based on his astrologer's advice and completely lost
In 2015, he called an election two years early after his astrologer predicted victory. Rajapaksa lost and was voted out of office.
Discover more
A movie mirror has to hide the people making the movie
Filmmakers adjust the mirror, camera position, and framing so the reflection shows the actor without exposing the crew. The actor's apparent gaze and the…
Discover more
Cheap wooden chopsticks offer a huge amount of splinters
Disposable wooden chopsticks can split into jagged, uneven edges that leave splinters. Rubbing the sticks together is a common attempt to smooth them before…
Discover more
Gallium melts in the palm of your hand
Gallium melts because its melting point is only a little above room temperature, and your warm hand can supply the extra heat. The shiny metal softens into a…
Discover more
The makeup trick that keeps movie sweat shiny
Makeup artists mist actors with water and glycerin. Unlike real sweat, the mixture evaporates slowly, keeping their skin shiny for hours.
Discover more
3M originally mined grinding wheel minerals
3M’s first plan was to mine corundum for grinding wheels. The venture produced anorthosite instead, sending the company toward sandpaper—and, eventually, tape…
Discover more
Costa Rica's clean electricity depends heavily on rain
Hydropower supplies much of the country's electricity, alongside other renewable sources. When El Niño reduced reservoir levels in early 2024, oil- and…
Discover more