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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.