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
Vantablack can hide an object's shape in plain sight
Its dense carbon-nanotube structure traps incoming light instead of sending much of it back to the viewer. With reflections and shading suppressed, curves and…
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Why group discussions can push views to extremes
A discussion can turn moderate opinions into a team sport. People compare their views with the group’s and often move toward the position that earns approval;…
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Your secret recipe may not be protected by copyright
Copyright generally protects original expression, not a recipe’s ingredient list or basic instructions. A cookbook can protect original writing around a…
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Ebola can hide in survivors for months
Some parts of the body, including the eye, are less accessible to immune defenses than other tissues. Ebola can persist there after it has cleared elsewhere,…
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Umbrellas opened indoors offended unseen household forces
The superstition treated opening an umbrella indoors as an insult to the home, with chaos—or at least a toppled vase—as the imagined consequence.
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Typhoid Mary carried the disease without symptoms
She could feel well because carrying Salmonella Typhi does not always make someone sick. But bacteria can still leave a carrier’s body in stool and…
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Why your audiobook is split into tiny pieces
Streaming services divide long recordings into small data chunks, so playback can continue as each arrives instead of waiting for the entire book to download.
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Sweeping dirt out the front door swept away good fortune
Some traditions held that sweeping dust out the front door would sweep away household wealth, so people pushed it inward instead.
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Slapstick comedy gets its name from a wooden prop that made loud cracks
The prop's two wooden slats struck each other to make a loud crack without actually hurting the performer.
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Your attention is auctioned every time a webpage loads
Before the page finishes loading, automated ad systems hold a quick auction. Brands bid for the chance to put an ad in front of you, and one gets the spot.
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Wheelchair dancers can outshine the ballroom
Wheelchair dancers steer with the same wheels that support them, using turns, speed and momentum as part of the choreography. The chair isn’t scenery at the…
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High-efficiency filters trap extremely tiny particles
A high-efficiency filter is not just a screen with holes smaller than every speck. Air twists through a dense web of fibers, and tiny particles such as dust…
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Even the sedan chair at an imperial audience was a diplomatic detail
A 1901 agreement for audiences with China's emperor specified where foreign representatives would change from their usual chairs to smaller ones carried by…
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Mass Effect's Krogan have a fourth testicle
Krogan are depicted with redundant organs and nervous systems, including a fourth testicle—a detail that fits their emphasis on biological backup.
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The Black Knight satellite was identified as a lost thermal blanket
Conspiracy theories claimed the object had orbited Earth for more than 10,000 years, but it was identified as an astronaut's lost thermal blanket.
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Saying “okay” after a phone number can make you forget its final digits
You hear the last digits, say “okay,” and reach for your phone—then they’re gone. Verbal working memory keeps information alive partly by silently repeating…
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The sandwich's famous gambling origin is a story, not a receipt
An eighteenth-century account described an aristocrat eating meat between bread to avoid leaving the card table, and the tale became attached to the Earl of…
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How musket tools became corkscrews
The corkscrew’s ancestor was a gun worm, a twisted tool soldiers used to catch and pull stuck musket balls or wadding from a barrel. Turning it in made it…
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Synthetic clothing can melt as well as burn
Some synthetic fibers soften and melt when exposed to enough heat, which can worsen a burn if material sticks to skin. The fabric's behavior matters as well…
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Why you still print travel confirmations
A printed confirmation is a backup in case you can't access the internet when you arrive at the check-in desk.
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Vaseline began with a nuisance on oil-drilling equipment
Robert Chesebrough investigated petroleum residue and developed a method of refining it into petroleum jelly. Removing unwanted material produced an ointment…
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Victorians mailed 'vinegar valentines' to insult people
Anonymity let senders turn a holiday love note into an insult: these cards paired caricatures with cruel poems aimed at people deemed ugly, obnoxious, or…
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Belief that reptilian shapeshifters run the world
A fringe conspiracy theory claims major public figures are blood-drinking lizards in human suits—an explanation some believers use for politicians’ awkward…
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Why wheelchair treadmills are useful indoors
A wheelchair treadmill holds the chair’s wheels in place while the user pushes against a moving belt. That lets someone practice propulsion or exercise…
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