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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 modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.