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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.


