In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Self-made millionaire Harris Rosen adopted a Florida neighborhood called Tangelo Park, cut the crime rate in half, and increased the high school graduation rate from 25% to 100% by giving everyone free daycare and all high school graduates scholarships.
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At YouTube Headquarters, employees can either take the elevator, stairs or slide.
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There's a rare breed of pig that looks like a sheep.
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