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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
There are more sensory neurons in the tongue than in any other part of the body.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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