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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.