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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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The horizontal fraction bar was introduced by the Arabs.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.