Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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You share your birthday with at least 9 million other people in the world.
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You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
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Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
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