You will experience the billionth second of your life when you are 31 years old.
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47% of people have a nightmare at least once a month.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
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40% of people who are rejected in romantic love slip into clinical depression.
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Intelligent men tend to be more sexually faithful.
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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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