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Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
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."
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.