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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The longest a person has survived after a heart transplant is 24 years.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.