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Did you know?
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.