In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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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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An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
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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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In the U.S. the typical school year is 180 days long. In China, the typical school year is 251 days.
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