The human brain has the capacity to store everything that you experience.
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Poor eyesight (myopia) is associated with higher IQ.
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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 person's skin weighs twice as much as their brain.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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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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