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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.