In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Did you know?
There are more bacteria in your mouth than there are people in the world.
