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Selfie-heavy social feeds may signal shallow relationships
Psychology

Selfie-heavy social feeds may signal shallow relationships

When a social feed is mostly selfies, it offers plenty of evidence about someone’s image and little about the give-and-take between friends. That can be a…

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Why some cats ignore catnip
Science

Why some cats ignore catnip

Catnip’s active chemical, nepetalactone, sets off a response only in cats sensitive to it. Sensitivity varies, and many kittens are too young to react yet. So…

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Isotonic contractions change muscle length
Health

Isotonic contractions change muscle length

As you lift a load, the working muscle generates tension and shortens, pulling the bones that move the weight. That kind of length-changing contraction is…

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Lassie's screen dynasty was mostly male collies playing a female dog
Culture & entertainment

Lassie's screen dynasty was mostly male collies playing a female dog

The line of canine performers descended from Pal, the original film star. Male collies' coat consistency was useful for keeping the character's appearance…

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Why movie streets are often soaked before filming
Culture & entertainment

Why movie streets are often soaked before filming

Those glistening cobblestone streets in evening shots are not the result of a gentle mist. Crews blast the pavement with massive water hoses simply because…

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The name double-u remembers how W was assembled
History

The name double-u remembers how W was assembled

W developed from writing two u-shaped or v-shaped letters together to represent a sound Latin's alphabet did not handle neatly. U and V were not always…

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The hidden handrail flight attendants use
Transport

The hidden handrail flight attendants use

A continuous handrail runs beneath the overhead bins, giving flight attendants something to grip as they move through the cabin during turbulence.

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Mount Ruapehu's crater lake is hot and acidic
Science

Mount Ruapehu's crater lake is hot and acidic

The danger is that the crater rim may not hold the lake back. If the barrier weakens, hot, acidic water can surge downhill carrying ash and debris, turning…

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Why Sea of Thieves pirates eat bananas with the peel
Games

Why Sea of Thieves pirates eat bananas with the peel

The game’s pirates swallow bananas whole, peel and all, turning a scurvy-fighting snack into a bizarre sight.

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Doom Eternal hides a Dopefish
Games

Doom Eternal hides a Dopefish

A secret corner contains a buck-toothed Dopefish, a goofy aquatic cameo amid the game’s heavy metal soundtrack and intense action.

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Jennifer Lopez's dress exposed a missing feature in Google
Culture & entertainment

Jennifer Lopez's dress exposed a missing feature in Google

After she wore green Versace to the 2000 Grammys, people wanted the picture, not a page describing it. Google says the surge of interest helped inspire Google…

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Card eighteen prominently features a crawling crayfish
Myths & mysteries

Card eighteen prominently features a crawling crayfish

The crayfish emerging from the water is often read as submerged thoughts surfacing, while the dim moonlight and barking dogs suggest a path clouded by…

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Katamari Damacy demands players roll up entire continents
Culture & entertainment

Katamari Damacy demands players roll up entire continents

You begin with paperclips and thumbtacks, then can be rolling up skyscrapers within about 20 minutes.

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The first commercial handheld cellphone earned the nickname 'the brick'
Culture & entertainment

The first commercial handheld cellphone earned the nickname 'the brick'

Motorola's DynaTAC 8000X weighed roughly 785 grams—well over a pound. Its size made a portable call visibly impressive because the whole radio system had to…

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Hot air balloons use a top parachute valve to descend
Transport

Hot air balloons use a top parachute valve to descend

Pull the control line and the fabric valve at the balloon’s crown opens, letting hot air escape. Less hot air means less lift, so the balloon descends;…

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Why golden rectangles survive every cut
Science

Why golden rectangles survive every cut

A golden rectangle has a neat disappearing act: remove a square whose side equals the rectangle’s short side, and the leftover rectangle is still golden. Its…

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Soap operas carry their advertisers in their name
Culture & entertainment

Soap operas carry their advertisers in their name

Serialized dramas on radio were often sponsored by soap companies, including Procter & Gamble. The programs later moved to television, bringing the label with…

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Why your hotel concierge recommends certain restaurants
Travel

Why your hotel concierge recommends certain restaurants

Some restaurants pay hotel concierges to send guests their way, giving the concierge a finder’s fee for each referral.

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