In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Scientist Niels Bohr was “given a house next door to the Carlsberg brewing company, and had a pipeline running from the brewery into the house so that he could have a never-ending supply of fresh beer on tap”.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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In 2013, the Netherlands scheduled 19 prisons to be closed due to a lack of criminals.
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