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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
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.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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