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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.