|
|
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."