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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.