The horizontal fraction bar was introduced by the Arabs.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
