The horizontal fraction bar was introduced by the Arabs.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The FDA recognizes 118 routes of administration.
Black-tailed Jackrabbit camouflage
black and white face
This modified model of Easton’s systems theory puts government decision makers as the source of pol
Torso of a "priest-king," from Mohenjo-daro, Indus Valley civilization.
Using a black light to spot leaks after adding dye to the oil.