Sony researchers have developed a refrigerator that only opens when you smile.
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There is a “Fruit Salad Tree” which can grow up to 6 different types of fruit.
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There’s a Swedish power metal band called “Sabaton” who teach history through their music, including an album devoted to teaching about World War Two.
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In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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