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Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.