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
Why RollerCoaster Tycoon inspectors carry red umbrellas
The inspectors’ bright red umbrellas make them easy to spot as they check the park’s cleanliness.
Discover more
Australia’s gympie-gympie delivers venom through its leaves
Tiny stinging hairs inject toxins that act on pain-signaling nerves. Researchers found that these plant toxins resemble some animal venoms in their structure…
Discover more
Alexander III ordered a dinner service that took twenty years to finish
The Raphael service, commissioned in 1883, drew on the decoration of the Vatican's Raphael Loggias. It was delivered in 1904, after Alexander's death, to the…
Discover more
Boom tubes create pathways across the cosmos
In DC stories, a boom tube opens a portal between distant places, letting people cross without traveling through the space in between. It’s interstellar…
Discover more
Ender pearls teleport you where they shatter
In Minecraft, throwing an Ender pearl sends it toward the impact point; when it lands, the player teleports there and takes damage. The pearl is a tiny…
Discover more
Ruby slippers demand three distinct clicks
Dorothy clicks her heels three times as a simple ritual to call on the slippers’ magic and return home. The spell gets no control panel; it gets a very…
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.
Chemicals make suspended dirt sticky enough to sink fast
Coagulants neutralize the particles' electrical charges, letting them clump into heavier masses that settle to the bottom.
Discover more
Why craps tables have mirrored walls
Reflective surfaces let dealers see what’s happening around the table from multiple angles. With piles of chips in play, that extra visibility can make…
Discover more
Tightrope poles exist purely for rotational inertia
The pole’s added mass makes the walker slower to rotate when balance shifts, giving them more time to correct before tipping.
Discover more
Some snake toxins struggle to latch onto a honey badger
Researchers found changes in a muscle receptor targeted by snake neurotoxins. Those changes make it harder for particular toxins to bind and disrupt the…
Discover more
Code V06.00XA logs nonmotor vehicle crashes
V06.00XA is a medical billing code for a pedestrian injured in a collision with another nonmotor vehicle. That category can include an oddly specific…
Discover more
These cone-shaped washers work like powerful springs
Their shallow cone shape lets Belleville washers flatten under pressure and spring back. Stacking them can create a powerful spring in a compact space.
Discover more
The strange trick behind pageant-perfect smiles
Pageant contestants may coat their front teeth with petroleum jelly to keep their dry lips from sticking to their gums, helping them hold a steady smile.
Discover more
A Burmese governor became famous for barely smiling
Burmese historical tradition remembers Thilawa of Yamethin as a man who smiled or laughed only three times. He also refused an offer of the throne and served…
Discover more
Eldritch sparks trace circular glowing gateways
As a wheel turns, sparks shoot from its edge and trace its rotation. A camera’s long exposure blends those flashes into a bright circle—an otherworldly…
Discover more
Maya casts an illusion over all reality
The idea can become a convenient excuse to dismiss everyday problems as unreal, though the claim itself is that the world we experience is a deceptive…
Discover more
Straitjacket escapes require simple chest expansion
A deep breath and tensed shoulders create slack under the straps; exhaling afterward leaves room to wriggle free.
Discover more
Louis XI didn't dress like the king you would expect
Historical descriptions emphasize his plain clothes and old felt hat rather than spectacular court dress. The ruler who helped strengthen the French monarchy…
Discover more
The candiru is a vampire of other fishes' gills
This small Amazonian catfish enters a larger fish's gill chamber and feeds on blood. There, delicate tissue and an active blood supply provide a very specific…
Discover more
Baking raw plastic thread creates rigid structures
Carbon-fiber strands look like black yarn before they’re wrapped in resin and cured under heat and pressure, forming a rigid composite.
Discover more
Non-duality claims everything is just one
The idea is that the apparent separation between you, a chair, and time is ultimately an illusion: everything is one.
Discover more
Weakest Link host strictly maintains a hostile demeanor
The host’s cold, sarcastic persona is part of the show’s format, turning ordinary trivia mistakes into moments of televised mockery.
Discover more
The invisible tentacles hiding behind box jellyfish
Their nearly transparent tentacles can trail far from the jellyfish, and stinging cells in them deliver venom that can affect the heart.
Discover more
Roulette's zero makes red-or-black a losing deal
On a single-zero wheel, 18 pockets are red and 18 black—but there are 37 pockets in all. Red pays even money while winning only 18 times out of 37 on average.…
Discover more