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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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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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The horizontal fraction bar was introduced by the Arabs.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.