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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.