In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
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Pope Francis has a master’s degree in Chemistry.
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Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
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Before making Finding Nemo, the animation gurus at Pixar Studios had to take a graduate class in fish biology and oceanography.
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