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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?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.