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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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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 word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.