The U.S. Geological Survey (USGS) scientists believe that the Moon experiences "lunar tremors" similar to earthquakes occurring on Earth. They take place due to tidal distortion related to a changing distance between Earth and the Moon.

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In 1962 there was a laughing epidemic in what was Tanganyika that caused 14 schools to shut down and affected over 1000 people.

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When we look at something we really like, our pupils increase by 45%.

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The word “peacock” does not actually apply to both male and female birds.

It’s only the males that are called peacocks, while the females are called peahens. Together, the collective name for them is “peafowl.”

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Athletes' teeth are prone to caries. During exercise, they breathe through their mouths, which causes their teeth to dry out and the process of plaque formation to accelerate.

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Lions inhabited many parts of Europe until they were hunted to extinction around 100 B.C.

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Evolution: the kiwi birds are losing their vision

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Seahorses choose their mate for life. And when they move, they hold on to each other's tails.

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In Japan, it's considered impolite to blow your nose in public

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Regular work helps to relieve the symptoms of mild to moderate depression.

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Bee bites smell like a banana - it’s the smell of disturbing pheromones.

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Dysania is a condition, when you can hardly get out of bed in the morning.

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In the 9th century, goats in Ethiopia unlocked the secret to alertness! Legend says herder Kaldi’s goats livened up after eating red coffee cherries. Monks brewed a drink for prayers, and by the 13th century, coffee became a global culture sustaining billions.

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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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