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A little more wonder

Using swinging rings to spell words
Tiny, often unconscious hand movements guide the ring across the grid, making the result a spelling test shaped by hand tremors.
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Why nothing sticks to Teflon
Many liquids slide off Teflon because they do not spread across its tightly bonded surface. With little contact between liquid and pan, there is little grip…
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Why sneakers are called sneakers
Before sneakers, rubber-soled shoes made it easier to creep up without the clatter of hard soles. “Sneaker” is basically a shoe named after its stealth mode.
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Virginia originally targeted history lovers
The slogan started by inviting history lovers and mountain lovers. Remove those qualifiers, and “Virginia is for Lovers” can invite everyone else, too.
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Counting citizens costs billions in administrative overhead
A census does not count itself: the government hires temporary workers to visit homes and collect demographic information. Sending people door to door makes…
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The slime that can eat your strongest shield
A legendary metal shield may shrug off lasers and lava, yet a generic acidic slime can dissolve it in seconds—sending you back to a smug merchant for a…
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The machine that charges you to crush your own penny
You crank the wheel and provide the penny, yet still pay the machine’s owner for the privilege of flattening your own currency.
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A regulatory DNA switch helped this salmon grow faster
AquAdvantage salmon is an Atlantic salmon carrying a Chinook growth-hormone gene controlled by an ocean-pout DNA sequence. That control sequence changes how…
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Starting fires by staring aggressively
No confirmed cases support the supposed ability to ignite objects through mental focus; the brain seems better at sparking bad ideas than fires.
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Physical phrasebooks are heavy paperweights
A 300-page index can be slower to search than pointing at a menu when you're trying to order.
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Public broadcasting relies entirely on free riders
Public TV faces an awkward funding deal: people can watch without paying, so donations have to come from viewers willing to chip in anyway. The audience is…
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Peach pits record thousands of years of human taste
Archaeologists studying Chinese sites found peach stones growing larger across generations of cultivation. The pits provide evidence of people selecting…
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Theme park visitors walk seven miles a day
Even people who avoid office stairs may willingly cover those miles on blistering asphalt for a few minutes on a ride.
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Bend indium and it starts to scream
Bend indium and tiny patches inside it shift against one another. Those movements shake the surrounding metal, sending vibrations through it until they reach…
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People once thought cotton grew on tiny sheep
Some early descriptions of cotton led people to imagine a tiny, wool-bearing sheep growing from a plant stem.
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Scientists made yeast brew THC and CBD
By modifying baker's yeast, scientists made it consume sugar and produce THC and CBD, offering a way to make the compounds without growing cannabis plants.
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Equator line runs through thirteen nations
The equator's route across land is a dramatic one: it crosses the Andes and dense stretches of Amazon and Congo rainforest. But most of its full circle runs…
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The strange rise of collectible spoons
Commemorative spoons became popular in the late 1800s, often bearing the name of a city as a keepsake.
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Streetlights provide zero incentive for private funding
A company paying for streetlights cannot stop people who never paid from using the lit street. Since it cannot easily charge each beneficiary, private firms…
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Infomercial phone operators up-sell callers aggressively
Operators may steer callers from an initial $20 offer into subscriptions and bundles, making the final bill much higher.
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Travel bloggers invent reviews for traffic
Some high-traffic travel listicles are written by content farms whose writers have never visited the cities they cover, relying instead on other websites for…
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Inflatable bouncy hoppers were highly unstable toys
The rounded inflatable base gives a rider a tiny, shifting patch of support, so each bounce moves the center of balance. The toy turns standing upright into a…
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Influencers regularly buy fake audiences
Some influencers buy bot followers to look popular enough to win free stays and sponsored trips, leading tourism businesses to pay for an audience that isn't…
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Alcohol sanitizer disrupts the structures bacteria need to survive
It damages cell membranes and changes the shape of proteins, interfering with their normal work. Effectiveness depends on the formulation, contact, and…
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