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The elephant that lived in Edinburgh Castle
History

The elephant that lived in Edinburgh Castle

A regiment returning from Ceylon brought an elephant to Edinburgh Castle in 1838. It became the regiment’s mascot and slept in the stables—a distinctly…

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Six Flags puts Texas history in a theme-park name
Travel

Six Flags puts Texas history in a theme-park name

The six flags refer to Spain, France, Mexico, the Republic of Texas, the Confederacy and the United States. Each represents a power that claimed or governed…

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Leucrotta sports a badger head and a lion chest
Myths & mysteries

Leucrotta sports a badger head and a lion chest

Its mouth supposedly stretches back to its ears and contains one solid bony ridge instead of individual teeth, making an already mismatched beast even stranger.

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Naha's tug-of-war uses a rope weighing about 43 tons
Travel

Naha's tug-of-war uses a rope weighing about 43 tons

The Okinawan festival's main rope is around 200 meters long, with hundreds of smaller ropes attached so a vast crowd can pull together. The tradition is…

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Accumulated volcanic ash chemically cements into rock
Science

Accumulated volcanic ash chemically cements into rock

Tuff starts as loose volcanic ash and fragments. Water carries minerals into the gaps between the grains; as the layers press together, those minerals harden…

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Why raccoons wash even dry food
Science

Why raccoons wash even dry food

A raccoon dunking dry food may be using water to feel it better, not to clean it. Its front paws are packed with touch receptors, and water may make the…

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Kick scooters utilize rear fender brakes
Transport

Kick scooters utilize rear fender brakes

Your foot turns the rear fender into a brake pedal: press it down, and it rubs against the back tire until friction slows the scooter. The fender’s double…

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John Napier invented logarithms to simplify calculations
Science

John Napier invented logarithms to simplify calculations

Napier’s trick was to turn a hard operation into an easier one: multiplying became adding. Find the logarithm of each number in a table, add those two…

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Paracelsus used toxic heavy metals to treat severe diseases
Myths & mysteries

Paracelsus used toxic heavy metals to treat severe diseases

He argued that even toxic substances could be medicine in carefully measured doses—the idea behind “the dose makes the poison.”

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Arsenic was once sold as a complexion treatment
History

Arsenic was once sold as a complexion treatment

The Smithsonian holds a package of Dr. Campbell's Arsenic Complexion Wafers from around the turn of the twentieth century. The product promised beauty through…

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Ketchup existed before tomatoes took over
History

Ketchup existed before tomatoes took over

Earlier ketchups included savory preparations made from ingredients such as mushrooms or fish. Tomato ketchup later developed into the thick, sweet-tart…

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The banker who invented the jet ski
Transport

The banker who invented the jet ski

Banker Clayton Jacobson II gave a motorcycle the water instead of the road: handlebars steered a craft, while a pump shot water backward to push it forward.…

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Halley realized the same large comet kept returning
Science

Halley realized the same large comet kept returning

Halley compared records of comets seen in different years and noticed their paths matched. He calculated when the returning comet should appear next, in 1758,…

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Concert venues intentionally drop temperatures before crowds
Culture & entertainment

Concert venues intentionally drop temperatures before crowds

A packed arena can heat up quickly as thousands of people jump, shout, and sweat, so staff cool it before the doors open.

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Abercrombie & Fitch helped sell America on mahjong
Games

Abercrombie & Fitch helped sell America on mahjong

In the 1920s, the retailer stocked imported sets during a nationwide mahjong craze. Tiles, racks, and instructions turned a game into a fashionable product…

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One bus route linked Lima to Rio over roughly 6,000 kilometers
Transport

One bus route linked Lima to Rio over roughly 6,000 kilometers

When Ormeño introduced the service, Peru's consulate described a journey of about five days. Instead of flying across South America, passengers followed a…

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Hemoglobin carries four oxygen molecules at once
Health

Hemoglobin carries four oxygen molecules at once

Each hemoglobin molecule has four places where oxygen can bind. Packed inside red blood cells, these molecules let the cells pick up oxygen in the lungs and…

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A dart aimed at 20 can land next door and score just one
Games

A dart aimed at 20 can land next door and score just one

On the standard board, 20 sits between 1 and 5. Similar contrasts elsewhere make small aiming errors expensive, rather than letting high-value targets form…

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