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 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
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Humans blink over 10,000,000 times a year!
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The single biggest predictor of love is proximity.
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About 2/3 of American men prefer boxers to briefs.
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One in 500 humans has one blue eye and one brown eye.
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Two in five people in the world marry their first love.
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According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
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