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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.