The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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The yin-yang pattern's earliest use is in Rome - not China!
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In 1911, pigtails were banned in China because they were seen as a link with its feudal past.
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