The human brain has the capacity to store everything that you experience.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Enamel is hardest substance in the human body.
61
If you are cold you are more likely to be hungry because you use energy to keep warm.
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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 human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
When you take a step, you are using up to 200 muscles.
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Poor eyesight (myopia) is associated with higher IQ.
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