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Author Question: Bell Telephone Laboratories invented the ________, which replaced the vacuum tube. (Read 253 times) |
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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The average office desk has 400 times more bacteria on it than a toilet.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.