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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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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The average office desk has 400 times more bacteria on it than a toilet.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.