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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The name "Wendy" was made up for the book Peter Pan!
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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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People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
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Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
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Women mature much faster than men.
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