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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.
Did you know?
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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The horizontal fraction bar was introduced by the Arabs.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.