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Shipping seals can detect light inside dark containers
Transport

Shipping seals can detect light inside dark containers

The seal watches for light: shut the container and it stays dark; open the doors and the sensor detects the change. It’s a tiny night-watchman that treats…

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A medieval hospital could live on rent
History

A medieval hospital could live on rent

Charitable land grants gave some hospitals an income beyond coins handed over at the door. Tenants worked or occupied the property and paid the institution,…

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Scabies can come back for more than one reason
Health

Scabies can come back for more than one reason

A treatment may fail because mites survive, an application misses areas, or a person is exposed again through untreated contacts. Researchers are…

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Cycling the crumbling towpaths of France's Canal du Midi
Travel

Cycling the crumbling towpaths of France's Canal du Midi

Built in the 17th century to bypass pirate-infested sea routes, the 240-kilometer canal still has hand-operated locks and towpaths once used by draft horses…

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You can bring Matt Mercer's voice to your own game
Culture & entertainment

You can bring Matt Mercer's voice to your own game

Syrinscape offers a sound set of Mercer performing Victor, Critical Role's black-powder salesman. A game master can trigger the character's recorded lines at…

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A newborn can experience withdrawal before ever taking a drug
Health

A newborn can experience withdrawal before ever taking a drug

Opioids used during pregnancy can reach a baby through the placenta. After birth, that exposure ends, and withdrawal can disrupt feeding, sleep, and the…

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A Soviet sanatorium looks like a ship parked beside a lake
Travel

A Soviet sanatorium looks like a ship parked beside a lake

The Aurora complex on Kyrgyzstan's Issyk-Kul uses long terraces and a vessel-like profile to turn a lakeside building into a kind of stationary liner. Its…

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Eleanor Longden negotiating with head voices
Psychology

Eleanor Longden negotiating with head voices

Eleanor Longden learned to approach the voices she heard as something to understand and negotiate with, rather than simply as noise to fight. That shift gave…

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The sunken fleet that became a snorkeler's maze
Travel

The sunken fleet that became a snorkeler's maze

Fifteen steam-driven dredges were deliberately sunk off Queensland in the 1960s to form a breakwater; coral later turned the wrecks into a maze for snorkelers.

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Taking the Wanchaq train to Cusco's Inti Raymi festival
Travel

Taking the Wanchaq train to Cusco's Inti Raymi festival

Special festival trains wind through the Andes each June, carrying revelers to Inti Raymi, a solstice celebration with gold-clad performers and staged…

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Can seeing your partner happy with someone else feel good
Psychology

Can seeing your partner happy with someone else feel good

Seeing your partner light up can feel good because affection lets you experience their happiness as partly yours. The feeling is sometimes called compersion:…

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Why Farkle makes one last roll so tempting
Games

Why Farkle makes one last roll so tempting

As dice are set aside, fewer remain to score, but a growing combo makes players chase one more roll—even when a single die gives them only a 33% chance of…

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Why quantum dots suddenly go dark
Science

Why quantum dots suddenly go dark

A quantum dot glows when an energized electron drops to a lower-energy state and releases a photon of light. But a charge trapped at the dot’s surface can…

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Your cells can tie RNA into tiny knots
Science

Your cells can tie RNA into tiny knots

A sequence rich in the RNA letter guanine can fold back on itself into a small, stacked knot called a G-quadruplex. When protein-making machinery reaches that…

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GTA V gives local radio a coverage limit
Culture & entertainment

GTA V gives local radio a coverage limit

Blaine County Radio and WCTR are tied to different parts of the map. Drive beyond a station's area and reception gives way instead of following you…

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Starlink relays tractor data from dead zones to cloud
Technology

Starlink relays tractor data from dead zones to cloud

They act as a backhaul: satellites pick up low-power sensor signals in places without cell service and relay them to servers.

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Why food deserts complicate diabetes treatment
Health

Why food deserts complicate diabetes treatment

Managing diabetes often means coordinating meals with medication, but that becomes harder when nutritious food costs too much or isn’t nearby. A person may…

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Why pulse oximeters can miss danger in dark skin
Health

Why pulse oximeters can miss danger in dark skin

The device measures oxygen indirectly, using light that passes through a fingertip. In people with darker skin, the reading can overestimate blood oxygen, so…

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