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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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There are 60,000 miles of blood vessels in every adult human.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.