There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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Dutch, on average are the tallest people.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
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The Japanese, on average, are the shortest people.
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