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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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There are more bacteria in your mouth than there are people in the world.
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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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In 1864, the first barbiturate (barbituric acid) was synthesized.