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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.