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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Did you know?
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.