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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Everyone has one nostril that is larger than the other.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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