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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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 average adult has about 21 square feet of skin.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.