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Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Your heart beats over 36 million times a year.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.