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Mudslides aggressively redecorate mountain topography
Transport

Mudslides aggressively redecorate mountain topography

When water soaks into a slope, soil and rock lose some of the friction holding them in place. Gravity takes over and sends the mixture downhill, where it…

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Fentanyl is entirely synthetic and fatal in minute quantity
Science

Fentanyl is entirely synthetic and fatal in minute quantity

Fentanyl doesn’t have to come from a poppy: it can be made entirely in a lab. In the body, it acts on opioid systems that help regulate breathing, and can…

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Recessions are bad but depressions are just branded misery
Economy

Recessions are bad but depressions are just branded misery

Economists don’t have a universally agreed cutoff where a recession becomes a depression. The difference is mostly a matter of how people use the words, not a…

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You can cancel streaming. You may not be able to skip medicine
Economy

You can cancel streaming. You may not be able to skip medicine

A streaming subscription is easy to drop; medicine may not be. That’s why a steep price increase can cut streaming demand more sharply than demand for an…

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Why paparazzi provoke celebrities
Culture & entertainment

Why paparazzi provoke celebrities

Angry celebrity photos can sell for more than calm ones, so some paparazzi provoke confrontations with insults, blocked paths, and bright flashes—then sell…

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Noetic experiences feel more real than reality
Myths & mysteries

Noetic experiences feel more real than reality

The term “noetic” describes the sense that a mystical insight delivers objective knowledge, even when others find it illogical.

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Zero-indexed arrays constantly trigger off-by-one errors
Technology

Zero-indexed arrays constantly trigger off-by-one errors

Because the first element is at index 0, a loop written as though counting starts at 1 can go one past the end and try to access an element that isn’t there.

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Object-oriented inheritance pulls unwanted dependencies
Technology

Object-oriented inheritance pulls unwanted dependencies

The “gorilla banana” problem describes how asking for one simple object can bring along a whole chain of unnecessary dependencies—in the classic example, a…

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When YAML mistook Norway for false
Technology

When YAML mistook Norway for false

In older YAML parsers, the country code “NO” could be interpreted as the Boolean value false, breaking internationalization files.

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The first powered flight ended just 120 feet away
Travel

The first powered flight ended just 120 feet away

At Kill Devil Hills in 1903, Orville Wright's first flight lasted 12 seconds and covered 120 feet. The landing site now has its own marker. The distance was…

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In Python, True + True equals 2
Technology

In Python, True + True equals 2

Python treats Boolean values as integers, so True acts like 1 in arithmetic.

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Nasal passages actively filter out microscopic dust
Health

Nasal passages actively filter out microscopic dust

Your nose intercepts dust and pollen before they get farther into the respiratory system. Mucus catches the particles, and tiny cilia move the loaded mucus…

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This gene variant can make armpits odorless
Health

This gene variant can make armpits odorless

A genetic variant can reduce the underarm secretions that bacteria break down into odor, leaving some people with little or no armpit smell. The sweat is not…

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Mounted turrets overheat and jam in five seconds
Games

Mounted turrets overheat and jam in five seconds

In some games, sustained fire makes a mounted gun overheat: a gauge rises and the barrel glows, leaving you to wait for it to cool while exposed to enemy fire.

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Magenta is a color you cannot find in a rainbow
Psychology

Magenta is a color you cannot find in a rainbow

A rainbow has no magenta stripe because magenta isn’t tied to one wavelength of light. Your eyes get signals from the red and blue ends of the spectrum, and…

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Why hardcover books wear paper jackets
Culture & entertainment

Why hardcover books wear paper jackets

Dust jackets let publishers print colorful artwork on a removable paper cover while keeping the hardcover boards plain, a cheaper alternative to decorating…

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Carbon dioxide is completely fatal at high indoor levels
Science

Carbon dioxide is completely fatal at high indoor levels

At high indoor levels, carbon dioxide is dangerous for more than the space it takes up. Too much can impair the brain and disrupt the body's control of…

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Mystical ineffability means words are useless
Myths & mysteries

Mystical ineffability means words are useless

Mystical states are called ineffable because language can't capture them; mystics often resort to vague poetry to describe what they see as ultimate reality.

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