The human brain has the capacity to store everything that you experience.
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The human body contains over a billion miles of DNA.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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The average sperm cell swims at 8 inches per hour.
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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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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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