In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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The longest Monopoly game in history lasted 70 straight days.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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Paul McCartney dreamed the melody of "Yesterday" one night and immediately wrote the music the next morning. He then looked around for a month to make sure that he didn't subconsciously plagiarize it from somebody else.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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