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Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.