The human brain has the capacity to store everything that you experience.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Your thumb is about the same size as your nose.
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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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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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One human hair can support 3 ounces.
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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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