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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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The horizontal fraction bar was introduced by the Arabs.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.