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Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.