The atomic bomb, tested on July 16, 1945, in New Mexico, released 18 kilotons of energy, ended WWII with Hiroshima and Nagasaki, and spurred global nuclear disarmament efforts.

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Giraffes need surprisingly little sleep. The average giraffe sleeps for 4.6 hours per day.

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Evolution of world brands.

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The first apple computer was sold for $666 without a mouse and a keyboard, just a simple assembled circuit board.

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Photography began with a self-portrait! In 1839, Robert Cornelius in Philadelphia took the first selfie, posing for 15 minutes for a daguerreotype. This showed self-photography’s potential, inspiring portraits and modern selfie culture.

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The eruption of Krakatoa in 1883 was the loudest sound in recorded history, it was heard 3,000 miles (4800 KM) away.

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Octopuses are escape artists! They squeeze through coin-sized holes, having no bones except a beak. 2010s studies showed their nervous system coordinates deformations, aiding predator evasion and hunting in tight spaces.

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Seven of the ten bloodiest wars in the world were in China.

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Dolphins are very fond of girls in position, because they can communicate with babies via ultrasonic.

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A person who smokes a pack of cigarettes a day will on average lose two teeth every ten years.

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Virginia Woolf wrote all her books standing.

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Slugs have 4 noses.

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Baijiu is the best-selling liquor in the world. Nearly 10 billion liters are sold each year, with China accounting for almost all of it. The second most popular drink is vodka. Only 5 billion liters are sold per year.

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Japan is the only country in the world with more pets than children

The country has just 17 million children under the age of 16, but almost 20 million cats and dogs.

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🐶 Many people die under snow avalanches in Switzerland. Rescue dogs are your chance. The photographer who took this picture got lucky and was saved by a dog

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The lightning we see is caused by the electricity heating the air to 30,000°C (54,000°F) and turning it into plasma briefly. The sound of thunder is also caused by the transformation of air to plasma, which makes the air expand incredibly quickly.

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🦋 The largest night butterfly in the world is Attacus Atlas.

With a wingspan of 30 cm, it is often mistaken for a bird.

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Australia got its name by accident from ‘Terra Australis’ (meaning ‘South Land’) after it was mistaken for the world’s southernmost continent. If not for this mistake, Antarctica would have been Australia, and Australia would have been named ‘New Holland.’

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