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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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There are more bacteria in your mouth than there are people in the world.
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The longest a person has survived after a heart transplant is 24 years.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.