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The volcanic island where saunas use underground heat
Travel

The volcanic island where saunas use underground heat

On Japan's Aogashima island, a smaller volcanic cone sits inside a larger crater. Residents use the ground's geothermal heat for a sauna and steam-cooking…

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Your phone may spot mood changes before you do
Health

Your phone may spot mood changes before you do

Your phone doesn’t read your mood directly; it can reveal changes in the routines that often travel with it. A person might move around less or type…

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The Thing's title emerged through melting plastic
Culture & entertainment

The Thing's title emerged through melting plastic

Effects artist Peter Kuran used a backlit title and dark plastic that was heated so it pulled apart, letting the light break through. The uneven physical…

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A wine cellar so vast you need a car
Travel

A wine cellar so vast you need a car

Mileștii Mici, near Chișinău in Moldova, occupies former limestone workings with roughly 200 kilometers of underground galleries. Only part of that network…

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Kangxi Emperor employed Jesuit missionaries to meticulously map his expanding Qing frontiers
History

Kangxi Emperor employed Jesuit missionaries to meticulously map his expanding Qing frontiers

Accurate maps helped the Qing administer newly conquered borderlands, so the Kangxi Emperor recruited Jesuit surveyors. Their Kangxi Atlas combined Western…

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Why women were banned from Kabuki
History

Why women were banned from Kabuki

Sensual performances sparked violent fights among samurai patrons, so the Tokugawa shogunate banned women from the stage in 1629. Men took over female roles,…

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A cranberry experiment changed gut microbes in four days
Health

A cranberry experiment changed gut microbes in four days

In a small human study, volunteers took cranberry extract twice daily before researchers compared their samples. The team reported changes in gut bacteria,…

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The squid that turns Toyama Bay into a blue light show
Science

The squid that turns Toyama Bay into a blue light show

Each spring, firefly squid gather in Toyama Bay and flash blue using tiny light-producing organs called photophores. Blue light travels relatively well…

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A Way Out turns your co-op partner into your final opponent
Games

A Way Out turns your co-op partner into your final opponent

The prison-escape story spends most of its time making two players coordinate through split-screen challenges. Its late betrayal then forces them onto…

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The bizarre sitcom about a murdered detective dog
Culture & entertainment

The bizarre sitcom about a murdered detective dog

In the 1990 pilot Poochinski, Peter Boyle played a murdered Chicago detective whose soul ended up in an English bulldog. The dog drove, passed gas, and bit…

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Emperor Ahuitzotl utilized elite Pochteca merchants as undercover military spies abroad
History

Emperor Ahuitzotl utilized elite Pochteca merchants as undercover military spies abroad

Pochteca merchants already traveled beyond Aztec borders, giving them access to foreign markets and territory. Under Ahuitzotl, those trade routes did double…

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Honeybees can headbutt scouts over bad hive choices
Science

Honeybees can headbutt scouts over bad hive choices

A scout bee advertises a possible nest by dancing, and another bee can answer with a quick vibration called a stop signal. The signal interrupts the dance but…

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Ikat artists make the pattern before weaving the cloth
Travel

Ikat artists make the pattern before weaving the cloth

Sections of thread are tied off to resist dye, then the threads are arranged on a loom. The final picture depends on those pre-dyed sections lining up during…

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Kukai formalized a blindfolded flower-throwing ritual to instantly link novices with cosmic buddhas
Myths & mysteries

Kukai formalized a blindfolded flower-throwing ritual to instantly link novices with cosmic buddhas

During Kechien Kanjō, a blindfolded novice throws a flower onto a mandala, and the deity it lands on becomes their karmic patron.

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At a Thai floating market, the kitchen can be a boat
Travel

At a Thai floating market, the kitchen can be a boat

Vendors prepare and pass food from small craft alongside customers on the banks or in other boats. A narrow hull has to accommodate ingredients, utensils, and…

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A concussion trial tested what happens when screens go dark
Health

A concussion trial tested what happens when screens go dark

In a randomized study of patients aged 12 to 25, avoiding screens for the first 48 hours was associated with faster symptom recovery than being allowed screen…

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Why standing up can feel like a marathon after illness
Health

Why standing up can feel like a marathon after illness

After some viral infections, dysautonomia can disrupt the nervous system’s control of blood pressure. When you stand, blood shifts downward; if your body…

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Why This Is Spinal Tap gets an 11 on IMDb
Culture & entertainment

Why This Is Spinal Tap gets an 11 on IMDb

The film’s guitarist boasts that his amplifier goes to 11—“one louder” than 10. IMDb’s page reportedly echoes the joke with a rating scale that tops out at 11.

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