Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.