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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.