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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Everyone has one nostril that is larger than the other.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.