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How Austronesian sailors crossed the Indian Ocean
History

How Austronesian sailors crossed the Indian Ocean

Austronesian sailors crossed the open Indian Ocean in wooden outrigger canoes to reach Madagascar. The boats’ outriggers helped steady them on a journey with…

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Why some windowless hotel rooms have fake windows
Travel

Why some windowless hotel rooms have fake windows

Glowing panels behind curtains imitate daylight and give the room a windowlike feel, making a windowless space seem less like a bunker.

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Copper wiring is slowly being replaced by cheaper aluminum
Technology

Copper wiring is slowly being replaced by cheaper aluminum

Some cables use copper-clad aluminum: a thin copper coating over an aluminum core. Aluminum conducts less well than copper and can be more vulnerable to…

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Humans may be the only animals that cry from sadness
Health

Humans may be the only animals that cry from sadness

Emotional tears may have served as a visible, quiet signal that a person was distressed and needed help. Unlike a loud cry, tears can communicate…

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Cosmic wound you can fix for everyone but yourself
Myths & mysteries

Cosmic wound you can fix for everyone but yourself

The placement is said to make someone a skilled healer of others while leaving their own deep pain unresolved—an especially unfair cosmic assignment.

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Why trusting people can make you an easy target
Psychology

Why trusting people can make you an easy target

When you expect honesty, you may treat a stranger’s confident explanation as enough and skip the questions you’d ask if you were suspicious. That generosity…

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Feta's name comes with a geographical fence
Economy

Feta's name comes with a geographical fence

In the EU, the protected name belongs to cheese made in designated Greek regions using sheep's milk, with goat's milk also permitted in the blend. The curds…

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Pretending to drum by wildly hitting colored plastic pads
Games

Pretending to drum by wildly hitting colored plastic pads

Rock Band's drum kit turned living rooms into a test of rhythm and endurance: harder songs meant frantically hitting colored pads, sometimes until players…

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Reality cast members are classified as contractors
Culture & entertainment

Reality cast members are classified as contractors

Networks often classify reality stars as independent contractors, which can mean they aren't entitled to employee benefits such as health insurance, overtime,…

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In Spain, footwear matters when it affects control of the car
Travel

In Spain, footwear matters when it affects control of the car

Driving in flip-flops is not automatically an offense simply because of the shoe style. Spain's traffic authority explains that a penalty depends on behavior…

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Egyptian folding stools resemble modern camping gear
History

Egyptian folding stools resemble modern camping gear

Crossed wooden legs and a leather sling let Egyptian stools fold flat for carrying, then open into a seat. The design solved the same basic problem as camping…

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How enslaved soldiers took over a sultanate
History

How enslaved soldiers took over a sultanate

Bought as boys and trained as elite cavalry and bodyguards, the Mamluks became the sultanate’s most powerful armed force. They eventually turned that military…

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Weather radio broadcasts on isolated VHF frequencies
Culture & entertainment

Weather radio broadcasts on isolated VHF frequencies

A dedicated receiver tunes to 162 MHz, where broadcasts run around the clock and can trigger an alarm during severe weather.

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Cancer natives complain about needing extra horizontal rest
Myths & mysteries

Cancer natives complain about needing extra horizontal rest

Astrologically, Cancer is portrayed as easily drained by socializing, with even ordinary conversation prompting a retreat for quiet rest.

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A phone's star-and-hash code can open a conversation with a carrier
Technology

A phone's star-and-hash code can open a conversation with a carrier

USSD codes can request services such as a balance check over the mobile network. Other familiar codes are handled locally by the handset, so not every…

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Bellatrix creates the ultimate relentless fighter
Myths & mysteries

Bellatrix creates the ultimate relentless fighter

Bellatrix is associated with combative ambition: its influence is said to push people to fight for success and turn even errands into contests.

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Amethyst turns yellow if exposed to heat
Myths & mysteries

Amethyst turns yellow if exposed to heat

Heat can change purple amethyst into yellow citrine.

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Why frozen iguanas fall from Florida trees
Science

Why frozen iguanas fall from Florida trees

An iguana’s muscles need warmth to grip a branch. When Florida temperatures drop below about 40°F, those muscles slow down, its hold weakens, and gravity gets…

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