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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.