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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Did you know?
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.