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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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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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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.