The human brain has the capacity to store everything that you experience.
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When you take a step, you are using up to 200 muscles.
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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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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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The human brain uses approximately as much energy as a 10 watt light bulb.
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