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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?
The FDA recognizes 118 routes of administration.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.