Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Gray squirrel with brownish color - taken in Cincinnati, OH
The Sun in false-color ultraviolet image
A medical assistant holds a specimen container to receive a biopsy sample.
How to solve optimization problems in calculus (Question 8)