The average person walks the equivalent of twice around the world in a lifetime
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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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Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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15 percent of Americans secretly bite their toes.
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Only 10-20% of the population can wiggle their ears and raise one eyebrow.
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Roughly a quarter of the world's people live in China.
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