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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40% of people who are rejected in romantic love slip into clinical depression.
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In one day an average person will take about 18,000 steps.
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Each year, around 24,000 Americans are bitten by rats!
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Men laugh longer, louder, and more often than women.
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Children grow faster in the springtime than any other season during the year.
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Approximately one-third of the population can't snap their fingers!
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People in parts of Western China put salt in their tea instead of sugar.
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