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Your heart beats over 36 million times a year.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.