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Mesmerism patients sometimes woke screaming during surgery
Myths & mysteries

Mesmerism patients sometimes woke screaming during surgery

Mesmer called his theory “animal magnetism,” an invisible fluid linking living things. Some doctors believed a trance could numb patients enough for surgery,…

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Aquarius mispronounces common words to see who corrects them
Myths & mysteries

Aquarius mispronounces common words to see who corrects them

They do it to see whether anyone will correct them—and may keep doing it even after someone does.

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Pinochle removes every card below nine
Games

Pinochle removes every card below nine

The result is a deck built around nines and higher, rather than a standard deck with its low cards.

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Britain once taxed both gloves and mittens
Economy

Britain once taxed both gloves and mittens

The Glove Duties Act of 1785 imposed duties on retail sales and licenses for sellers. Even a small item worn on the hands became a separate taxable category.…

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Your blood and joints contain tiny amounts of gold
Health

Your blood and joints contain tiny amounts of gold

A typical adult carries about 0.2 milligrams of gold, scattered in tiny amounts through places such as the blood and joints. That is a trace quantity, not a…

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The NSF paid domain fees until 1995
Technology

The NSF paid domain fees until 1995

The National Science Foundation paid domain registration costs until 1995, when Network Solutions began charging $100 for a two-year registration.

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Porphyry organized Plotinus’s manuscripts into the Enneads
Myths & mysteries

Porphyry organized Plotinus’s manuscripts into the Enneads

Porphyry gathered Plotinus's disjointed manuscripts and organized them into the Enneads, despite Plotinus's poor eyesight and refusal to revise his work.

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Bearer bonds belonged to whoever held them
Economy

Bearer bonds belonged to whoever held them

There was no name to check on a bearer bond: possession of the paper determined who could claim it. Lose control of the document, and someone else could…

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Why brown bears climb mountains for moths
Science

Why brown bears climb mountains for moths

Brown bears head to rocky mountain fields because moths gather there to shelter during the day. The bears dig up these clusters for a seasonal meal, turning a…

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European folklore cast mermaids as shipwreckers
Myths & mysteries

European folklore cast mermaids as shipwreckers

European folklore cast mermaids as deliberate wreckers, not friendly guides to sailors.

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Astrologers link Aries to headaches and headstrong behavior
Myths & mysteries

Astrologers link Aries to headaches and headstrong behavior

Because Aries is the zodiac's first sign, astrologers assign it the head and link that association to headstrong behavior and headaches.

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Jupiter has no solid surface to stand on
Science

Jupiter has no solid surface to stand on

Jupiter has no clear border where its atmosphere ends and solid ground begins. Go deeper and the gas grows denser and hotter, eventually becoming exotic fluid…

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The bizarre pre-workout of ancient Olympians
History

The bizarre pre-workout of ancient Olympians

Ancient Olympians reportedly chewed raw sheep testicles before competing, seeking a testosterone boost.

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The Wayback Machine is housed in a former church
Technology

The Wayback Machine is housed in a former church

The Internet Archive, which runs the Wayback Machine, is housed in a former Christian Science church in San Francisco. Its server racks preserve hundreds of…

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Japanese vending machines sell hot coffee, eggs and shirts
Travel

Japanese vending machines sell hot coffee, eggs and shirts

The machines sell everything from hot coffee and fresh eggs to clean shirts, making everyday errands possible around the clock.

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A unit mismatch sent NASA’s Mars orbiter into the atmosphere
History

A unit mismatch sent NASA’s Mars orbiter into the atmosphere

Mars Climate Orbiter's ground software supplied thruster impulse data in pound-force seconds, while the navigation system expected newton-seconds. The…

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Why you're shorter at night
Health

Why you're shorter at night

Your spine loses a little height under the day’s load because the gel-like discs between vertebrae compress and shed fluid. Overnight, lying flat lets them…

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Shikan-taza asks meditators to sit without a goal
Myths & mysteries

Shikan-taza asks meditators to sit without a goal

With no mantra, object of focus, or goal to pursue, the practice asks meditators simply to sit in the present moment.

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