Although GPS is free for the world to use, it costs $2 million per day to operate. The money comes from American tax revenue.

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The world’s oldest surviving bank is “Banca Monte dei Paschi di Siena,” which was founded in 1472 and is currently Italy’s 3rd largest bank.

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The world's largest living organism isn't an animal, but a fungus! This massive fungus covers over 2,300 acres of forest in Oregon.

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Megatherium americanum is an elephant-sized sloth native to South America that existed and died out about 12,000 years ago. It was one of the largest land mammals, measuring up to 6 metres (20 feet) and weighing an average of 4 tonnes.

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Cashew fruits are called "apples", and what we consume as food are the seeds of cashew apples.

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A bite from a common tick can cause a permanent anaphylactic meat and milk allergy in people.

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One way to check the authenticity of a diamond is to breathe on it.

• Condensation will appear on a fake, but not on a diamond.

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Marina Chapman, a Colombian woman, was raised by Capuchin monkeys for five years after being kidnapped and abandoned in the bush as a youngster. She learnt to climb trees and catch birds and rabbits using her bare hands. She lived as a monkey until she was found by hunters.

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About 75 percent of the world's food comes from just 12 plants and 5 animal species. Almost half of our plant-derived calories come from just three foods: wheat, corn and rice. While estimates vary, it is believed that there are over 30,000 edible plants, and we only eat 150 of them.

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Swiss-American socialite Jocelyn Wildenstein has had extensive plastic surgery to her face over the years in order to elicit a more catlike look. Wildenstein is rumored to have spent $4 million on plastic surgery, apparently done to please her husband, who loved big cats.

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Potato poisoning can cause paralysis, coma, and hallucinations for days. If left untreated, also death.

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There is a bird named Honeyguide, which guides humans to beehives, so that they can feast on the bee larvae after humans takes the honey.

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Adolf Hitler, the infamous German dictator, was born on April 20, 1889, in Braunau am Inn, Austria-Hungary, near the border with the German Empire. He was the fourth of six children born to Alois Hitler and his third wife, Klara Pölzl.

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"I Am" is the shortest complete sentence in English. In English, a full sentence requires both a subject and a predicate. The statement 'I am' has both the subject- I and the predicate- am. It also conveys a comprehensive thought. So, 'I am' is the shortest sentence.

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Loud sounds can interfere with visual processing, which is why you might have to turn the music down while looking for an address or parallel parking.

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This is a red-shanked douc, aka “costume ape”, it’s sadly endangered & dubbed one of the most beautiful primates on earth.⠀

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The garlic smell from the mouth can be removed in several ways: drink a glass of milk, chew parsley, a lemon peel, or a coffee bean.

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The Dothraki language used in Game of Thrones was designed to sound like Arabic to the untrained ear, or a mix between Spanish and Arabic to anyone who knows Arabic.

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Strong and sweet (with sugar) tea with milk is an antidote for alcohol poisoning, narcotic/medicinal drugs.

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Hypersomnia is a sleep disorder in which a person sleeps excessively, but the quality of sleep is often poor, leading to persistent tiredness.

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In South Korea, men who win Olympic medals do not have to participate in the two-year long mandatory military service.

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