Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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The human sigh acts as a physiological reset button.
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Babies crawl an average of 200m a day.
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One human hair can support 3 ounces.
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The average person's skin weighs twice as much as their brain.
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Pain occurs when sounds are above 130 db.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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