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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Did you know?
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.