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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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If you could remove all of your skin, it would weigh up to 5 pounds.