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Amazon river aggressively out-flows every global competitor
Travel

Amazon river aggressively out-flows every global competitor

The Amazon carries more water than the next seven largest rivers combined, even as people debate which river is longest.

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Hockey sticks flex dramatically to whip pucks forward
Technology

Hockey sticks flex dramatically to whip pucks forward

Players press the blade into the ice to bend the stick, then its spring-like recoil helps launch the puck.

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New York City has hundreds of miles of coastline
Travel

New York City has hundreds of miles of coastline

New York City's jagged borough shorelines add up to hundreds of miles when traced around their edges.

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Jigsaw puzzles once fell apart at the slightest bump
Games

Jigsaw puzzles once fell apart at the slightest bump

Early wooden pieces had straight edges rather than interlocking tabs, so a small table bump could scatter hours of work.

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Why mirror mazes fool your depth perception
Games

Why mirror mazes fool your depth perception

Lighting that hides shadows and other depth cues can make reflections look like open passages—until you meet the glass.

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Why child-resistant caps need two motions at once
Health

Why child-resistant caps need two motions at once

A child-resistant cap makes opening depend on two actions at once: pushing down while twisting. That coordination is harder for many young children than…

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Why airplane engines have flattened bottoms
Technology

Why airplane engines have flattened bottoms

Their housings are flattened to give the engines enough ground clearance to avoid scraping the tarmac as the plane pulls up to the gate.

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Why generic drugs can skip costly clinical trials
Health

Why generic drugs can skip costly clinical trials

A generic maker doesn’t have to repeat the original drug’s full clinical-trial program. Instead, it must show that the generic’s active ingredient reaches the…

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Snowshoes force the wearer to walk with a ridiculous waddle
Transport

Snowshoes force the wearer to walk with a ridiculous waddle

Snowshoes spread your weight over a larger patch of snow, so you sink less. Their wide frames also make your feet awkward to pass past each other, producing…

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Allocating specific budget bonuses for miserable weather
Culture & entertainment

Allocating specific budget bonuses for miserable weather

Union rules can require a “wet pay” bonus when a production deliberately exposes background performers to simulated rain or swamp conditions.

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Your sibling role can feel like a personality diagnosis
Psychology

Your sibling role can feel like a personality diagnosis

Being the responsible oldest or the carefree youngest gives families an easy way to explain behavior. But a large study using three national datasets found no…

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Colorado's straight-looking border hides a surveyor's zigzag
Travel

Colorado's straight-looking border hides a surveyor's zigzag

A USGS account describes a jog of nearly half a mile in an early survey of the Colorado–New Mexico boundary. Marking a latitude on rugged ground was messier…

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Two flatbreads once landed in very different tax brackets
Economy

Two flatbreads once landed in very different tax brackets

India's earlier GST categories taxed paratha and parotta at 18%, while chapati and roti were at 5%. A 2025 change moved both groups to a nil rate. The…

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The town that sits below sea level
Travel

The town that sits below sea level

The California farming town sits below sea level, and nearby levees help protect it from flooding.

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An urgent craving can make tomorrow feel irrelevant
Psychology

An urgent craving can make tomorrow feel irrelevant

Hunger, fatigue, or a strong desire for relief can pull attention toward an immediate payoff. Long-term consequences are still there, but they compete with a…

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Sweeping over someone's shadow curses their romance
Myths & mysteries

Sweeping over someone's shadow curses their romance

The belief treated a person's shadow as an extension of them: sweeping over it with a broom was thought to sweep away their chances of marriage.

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Parts of Antarctica look more like bare desert than snowfield
Travel

Parts of Antarctica look more like bare desert than snowfield

The McMurdo Dry Valleys have exposed rock and soil despite being surrounded by an icy continent. Very low moisture and mountain barriers help keep much of the…

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Carnauba wax gives compressed tablets a glossy shine
Health

Carnauba wax gives compressed tablets a glossy shine

A thin carnauba-wax coating smooths a tablet’s surface, picking up loose powder as the pill is polished. That is what gives the finished tablet its glossy look.

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