The human brain has the capacity to store everything that you experience.
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You forget 90% of your dreams.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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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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It takes about 20 seconds for a red blood cell to circle the whole body.
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All 13 minerals necessary for human life can be found in alcohol beverages.
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