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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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The average office desk has 400 times more bacteria on it than a toilet.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.