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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.