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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.