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Did you know?
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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.