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Did you know?
Your heart beats over 36 million times a year.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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?
In 1864, the first barbiturate (barbituric acid) was synthesized.