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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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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The world's shortest man measures only 21.5 inches.
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The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
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The average person walks the equivalent of twice around the world in a lifetime
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Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
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Women mature much faster than men.
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Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
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