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Author Question: As our population grows, the pressure to provide adequate supplies of clean, potable water ____. ... (Read 78 times) |
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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There are more bacteria in your mouth than there are people in the world.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The average office desk has 400 times more bacteria on it than a toilet.