In 2011, there were 3 known cases around the world of twins coming from different fathers.
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In North Korea, you are forced to choose one of 28 government-approved haircuts.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
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