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The platypus hunts with its eyes shut
Science

The platypus hunts with its eyes shut

A platypus can find prey by sensing faint electrical fields as it sweeps its bill through the water. Moving animals produce tiny signals, which help the…

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Engineers proposed runways that form a giant circle
Transport

Engineers proposed runways that form a giant circle

A circular, banked runway would let aircraft use different sections to meet the wind from a favorable direction. But landing on a curve introduces handling…

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Why millions of people watch pimple-popping videos
Psychology

Why millions of people watch pimple-popping videos

A pimple-popping video turns a small skin problem into a puzzle your eyes want solved: What’s under there, and will it come out? The reveal can feel…

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Why horror films tilt the camera
Culture & entertainment

Why horror films tilt the camera

Tilting the camera creates a Dutch angle, making the horizon look wrong and the scene feel unsettling.

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Bismuth's staircases grow when the edges outrun the centers
Science

Bismuth's staircases grow when the edges outrun the centers

In a hopper crystal, material accumulates faster around a face's edges than across its middle, leaving stepped, hollow-looking shapes. A thin oxide coating…

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Curious spiritual tradition of crafting elaborate sigils to manifest subconscious human desires
Myths & mysteries

Curious spiritual tradition of crafting elaborate sigils to manifest subconscious human desires

Practitioners condense a written desire into an abstract symbol, then focus on and destroy it—often by burning—believing this can bypass conscious doubts and…

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Why people pay strangers for a hug
Psychology

Why people pay strangers for a hug

Touch can communicate comfort without a conversation, but asking someone close for it can feel loaded. Paying a stranger creates a defined, time-limited…

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Why owls fly without making a sound
Science

Why owls fly without making a sound

An owl’s wing feathers break up the rushing air instead of letting it form loud, turbulent swirls. Fine fringes along the leading edges soften the airflow,…

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Collectors can buy pieces of Mars that landed on Earth
Economy

Collectors can buy pieces of Mars that landed on Earth

Impacts can eject rock from Mars into space, and a tiny fraction eventually reaches Earth as meteorites. Once identified, fragments can enter scientific…

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How Hollywood can bring dead actors back to the screen
Culture & entertainment

How Hollywood can bring dead actors back to the screen

Studios can use computer-generated likenesses of deceased actors, placing their digital faces on living body doubles. Estate contracts help govern the use of…

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Without landmarks, a straight walk can become a circle
Psychology

Without landmarks, a straight walk can become a circle

Small errors in estimating direction accumulate when you cannot check your route against a stable reference. You may feel that you are walking straight while…

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A clay tablet helped bring the Royal Game of Ur back to life
Games

A clay tablet helped bring the Royal Game of Ur back to life

British Museum curator Irving Finkel interpreted a cuneiform text describing a later version of the ancient race game. Combined with surviving boards, it gave…

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How AI restores color to black-and-white films
Technology

How AI restores color to black-and-white films

AI models compare shades of gray with patterns learned from millions of color photographs to estimate what colors might have been in the original scene. The…

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The royal palace cables installed with ferrets
History

The royal palace cables installed with ferrets

Workers attached a lightweight string to a trained ferret and lured it through narrow conduits with the scent of meat, then used the string to thread cables…

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The surprising source of some red food coloring
Psychology

The surprising source of some red food coloring

Some red food coloring comes from cochineal insects. The color comes from carminic acid extracted from the tiny insects, which are processed into the pigment…

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An ancient teething remedy involved burned dogs' teeth
Psychology

An ancient teething remedy involved burned dogs' teeth

Pliny's Natural History records ashes from dogs' teeth mixed with honey as a remedy for children cutting teeth. The uncomfortable symmetry is the point:…

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Royal Tudor banquets could put swan on the menu
Psychology

Royal Tudor banquets could put swan on the menu

Historic Royal Palaces lists swan among the meats served at Henry VIII's table, alongside dishes as unfamiliar today as porpoise. The breadth of the menu…

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A tiny software error destroyed the Ariane 5 rocket
Technology

A tiny software error destroyed the Ariane 5 rocket

An unhandled exception occurred when a 64-bit number was forced into a 16-bit space, and the rocket self-destructed midair.

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