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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.