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Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.