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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.