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Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Dreams Disappeared in a Cloud of Dust Dreams Disappeared in a Cloud of Dust
Worldwide map of traditional psychoactive substance use. Worldwide map of traditional psychoactive substance use.
Obtained from the deadly nightshade plant Atropa belladona, atropine remains a traditional drug ... Obtained from the deadly nightshade plant Atropa belladona, atropine remains a traditional drug ...
Secure drape under hip and top arm, and undrape back; stand in back at waist facing head. Apply ... Secure drape under hip and top arm, and undrape back; stand in back at waist facing head. Apply ...
Video: Magnetic resonance imaging (MRI)

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