The familiar sounds of your heart are made by the heart's valves as they open and close.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The FDA recognizes 118 routes of administration.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.