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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.