Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
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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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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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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