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Author Question: Three flat layers of transparent material are stacked upon one another. The top layer has index of ... (Read 53 times) |
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.