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Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Medication errors are three times higher among children and infants than with adults.