Hearing your name being called, when no one has actually called your name, is a likely sign of a healthy mind

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Lack of sleep is a major cause of premature facial aging.

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People who are positive, optimistic, and happy are less likely to suffer from memory loss as they age.

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In Japan, the odds of being killed by a gun are about the same as an American's likelihood of being killed by lightning — about one in 10 million.

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The sense of smell is heightened in space

If perfume is sprayed on the ship, it can bring painful sensations.

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Onions have been proven to lower cholesterol, reduce chances of a stroke, and reduce chances of various types of cancer.

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The line that separates the day and night sides on Earth is called the Terminator.

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Cats can’t taste sugar.

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Bats give birth upside down and catch their babies in their wings.

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EUSTRESS - a challenge or stressor that leaves you feeling energised, happy, and ready to tackle the problem.

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If you hold in too many farts, some of the gas can be reabsorbed into your circulation and then exhaled in your breath.

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Tea is the second-most widely consumed beverage in the world, after water. Beer is third.

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Did you know that the world's lightest metal was created by Boeing. It's called Microlattice and is 99.99% air.

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Snakes can see with their eyes closed.

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Our mouths produce more saliva before we vomit to protect our teeth from erosion The acid in our stomach is strong enough to wear them down.

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Sharks never get cavities Their teeth contain fluoride, the active ingredient in most toothpaste and mouthwashes.

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Arachibutyrophobia is the fear of peanut butter sticking to the roof of your mouth.

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Clinomania is an obsessive desire to stay in bed all the time.

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Pistanthrophobia is a phobia of getting hurt by someone in a romantic relationship.

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The coldest city in the world is Oymyakon. It is also the Pole of Cold, as well as the coldest place on Earth, where there is a permanent population.

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Your thumb is about the same length as your nose.

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