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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.