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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
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."