There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
All babies are color blind when they are born.
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Only 2% of the Earth's population are natural redheads.
13
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Most of the world's people must walk at least 3 hours to fetch water!
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The single biggest predictor of love is proximity.
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It is estimated that at any one time, 0.7% of the world's population are drunk.
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