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The horizontal fraction bar was introduced by the Arabs.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.