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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Territory sizes differ among animals. Territory sizes differ among animals.
Cholesterol Sources Cholesterol Sources
Nonpoint Sources of Pollution Nonpoint Sources of Pollution
Different sources for 100 calories worth of protein Different sources for 100 calories worth of protein
Most Americans obtain their drinking water from a community water system Most Americans obtain their drinking water from a community water system
Some drugs are still derived from natural sources Some drugs are still derived from natural sources
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