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Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
There are more bacteria in your mouth than there are people in the world.
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