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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%