The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
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The right lung takes in more air than the left.
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Human teeth are almost as hard as rocks!
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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The human brain has the capacity to store everything that you experience.
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