In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
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Passengers on the Beijing subway can pay with plastic bottles.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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In Hong Kong, a betrayed wife is legally allowed to kill her adulterous husband, but may only do so with her bare hands. (The husband's lover, on the other hand, may be killed in any manner desired.)
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