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The average office desk has 400 times more bacteria on it than a toilet.
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Everyone has one nostril that is larger than the other.
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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.