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Author Question: In sunny cities such as Los Angeles, the ever-rising automobile population and the large petroleum ... (Read 192 times) |
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There are 20 feet of blood vessels in each square inch of human skin.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo