The human brain has the capacity to store everything that you experience.
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Every year your body replaces 98% of your atoms.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Your thumb is about the same size as your nose.
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If you are cold you are more likely to be hungry because you use energy to keep warm.
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One human hair can support 3 ounces.
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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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