The human brain has the capacity to store everything that you experience.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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The human brain doesn't stop developing until about 25 years old.
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The average sperm cell swims at 8 inches per hour.
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