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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
Your heart beats over 36 million times a year.