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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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The average office desk has 400 times more bacteria on it than a toilet.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The FDA recognizes 118 routes of administration.
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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.