Vampire bats will die if they can’t find blood for two nights in a row. Luckily, generous well-fed bats will often regurgitate blood to share with others, in exchange for grooming. This has been noted by many naturalists as an example of reciprocal altruism in nature.

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Euro Introduced in Europe 💶

On the 1st Of January 2002 the euro, the monetary unit of the European Union was introduced with the issuance of both currency and coins, and by March 2002 it was the sole legal tender of participating member states.

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Many Chinese people never brush their teeth. Instead of toothpaste, about 40% of the Chinese population use green tea to rinse their mouths.

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19-year-old Mahmood Akram from India broke a world record. He is fluent in 46 languages and can read, write, and type in 400 languages.

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🍉 Watermelons can come in three colors

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Deaf kids in Nicaragua created a completely new sign language out of scratch when placed in deaf schools, after rejecting the sign language the teachers attempted to teach. It is now the official sign language of Nicaragua.

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Transparent coffee was invented in Slovakia.

Brothers Adam and David Nagy decided that the perfect coffee should not stain teeth or clothing, so they came up with this drink, the recipe of which is kept secret.

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The smell of rotting potatoes can kill you.

Rotten potatoes can be dangerous because they emit a deadly solanine gas that makes the person unconscious, and even kills him if you inhale this gas. If you eat rotten potatoes, the toxin can cause headache, vomiting, diarrhoea, paralysis, coma and sometimes death.

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The study found that vegetarians "fart" 7 times more often than those who eat a regular diet.

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American school buses are yellow because we see yellow faster than any other color; 1.24 times faster than we see red.

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Scientists have found that lazy people have a more active brain structure because they need to think a lot about how to avoid work.

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Savannah Cats can be domesticated. They grow to be as large as a medium sized-dog, and have the loyalty and playfulness of canines.

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Eggs contain tyrosine, from which the body synthesizes norepinephrine and dopamine, which improve mood and give a feeling of cheerfulness.

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Perfumes should be stored in a dark place, away from direct sunlight, which can break down the liquid's structure and diminish the quality of the scent.

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Out of the billions of cells that make up the human body, only about 10% are actually "human." The other 90% are made up of various fungi and bacteria.

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Passat, Golf, Bora, Scirocco, and other Volkswagen car names are names of winds.

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An open air school in 1957, Netherlands ⁣ In the beginning of the 20th century a movement towards open air schools took place in Europe. Classes were taught in forests so that students would benefit physically and mentally from clean air and sunlight.

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The Amazons of Dahomey, the only documented female army in modern history, and inspiration for the female army in Wakanda. These Amazons belonged to the Kingdom of Dahomey, a West African empire that existed from 1625 to 1894.

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About 2% of people possess strong empathy, which allows them to feel pain when they see another person experiencing it.

This phenomenon is known as synesthetic pain.

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