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Breathing oxygen deprives absolutely nobody else on earth
Economy

Breathing oxygen deprives absolutely nobody else on earth

Breathing doesn’t take a share of the oxygen away from everyone else in the room. One person can use the air while others use it too.

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Adrenal glands sit directly on top of both human kidneys
Health

Adrenal glands sit directly on top of both human kidneys

Each kidney has a small triangular adrenal gland sitting on top of it. These glands release hormones involved in stress responses, so the familiar…

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Voters confidently support completely absurd public policies
Economy

Voters confidently support completely absurd public policies

If a policy spreads its costs across millions of people, each voter may pay too little to feel compelled to investigate it. That makes it easier to support a…

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A traffic charge prices the road space everyone wants at once
Economy

A traffic charge prices the road space everyone wants at once

At busy times, another car slows not only its own journey but the people behind it. Congestion pricing adds a cost to that crowded road space, encouraging…

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Life paths of aggressive leaders
Myths & mysteries

Life paths of aggressive leaders

In numerology, a birthday that reduces to one is interpreted as a sign of a forceful, pioneering personality—not a biological cause.

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The hidden price of waiting in line
Economy

The hidden price of waiting in line

A ticket doesn’t cost only the money printed on it. If getting one means spending hours in line, those hours are gone—you could have used them for work, rest,…

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Promethium is entirely synthetic and inherently unstable
Science

Promethium is entirely synthetic and inherently unstable

Promethium atoms decay, so any that form naturally tend not to stick around long enough to build up in rocks. Tiny amounts can still be made by natural…

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How gliders stay aloft without engines
Transport

How gliders stay aloft without engines

A glider’s wings turn forward motion into lift, while rising air gives it fresh altitude. Pilots circle in warm-air updrafts called thermals, trading a little…

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Kenyan plains host chaotic stampedes of wildebeest
Travel

Kenyan plains host chaotic stampedes of wildebeest

During the migration, enormous herds run across rivers in the Masai Mara, creating a spectacle with little resemblance to orderly traffic.

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Why a giant hand rises from Chile's desert
Travel

Why a giant hand rises from Chile's desert

It’s the Hand of the Desert, a giant sculpture rising from the sand. Its outstretched pose makes it look as if it’s reaching for help.

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Swazi granite domes are incomprehensibly massive stones
Travel

Swazi granite domes are incomprehensibly massive stones

Sibebe Rock is a single exposed mass of granite and one of the world’s largest bare rocks. Its surface can be difficult to climb without slipping.

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Beryllium is incredibly stiff yet impressively light
Science

Beryllium is incredibly stiff yet impressively light

Beryllium can make a rigid part without making it heavy. Its crystal structure resists being stretched out of shape, so a beryllium component can bend less…

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The 1900 Paris sporting spectacle included balloon competitions
History

The 1900 Paris sporting spectacle included balloon competitions

Ballooning events ran alongside the exposition and the loosely organized Games, with contests involving distance and other challenges. They are not counted as…

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Why esports players face drug tests
Games

Why esports players face drug tests

Major esports leagues introduced anti-doping rules after some players used stimulants such as Adderall to try to gain a few milliseconds.

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Why dreams make absurd things feel normal
Health

Why dreams make absurd things feel normal

During a dream, the brain can keep producing images and emotions while its fact-checking is dialed down. That is why an impossible scene can feel ordinary…

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Excessive red tape completely paralyses local urban growth
Economy

Excessive red tape completely paralyses local urban growth

Replacing a front porch can mean filling out 50 forms. When a small repair gets buried in licensing paperwork, owners may put it off—and whole blocks can stop…

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Egypt’s desert is filled with giant chalk mushrooms
Travel

Egypt’s desert is filled with giant chalk mushrooms

Wind carved the White Desert's chalk into stark formations that look like giant mushrooms against the yellow sand.

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Jealousy and envy are not the same feeling
Psychology

Jealousy and envy are not the same feeling

Your friend gets a promotion you wanted: that’s envy. Your partner laughs with someone else and you fear losing them: that’s jealousy. Envy centers on a thing…

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