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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In a lifetime, an average person walks the equivalent of 5 equators
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Over 98 percent of Japanese people are cremated after they die.
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Approximately one-third of the population can't snap their fingers!
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The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
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Every human spent about half an hour as a single cell.
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A hard working adult sweats up to 4 gallons per day.
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