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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.