In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
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Raj from the Big Bang Theory is married to Miss India.
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Passengers on the Beijing subway can pay with plastic bottles.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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In 2013, the Netherlands scheduled 19 prisons to be closed due to a lack of criminals.
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