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Author Question: A hard, white, crusty calcium carbonate deposit within the B horizon in the arid desert regions of ... (Read 66 times) |
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.