The average person laughs 13 times a day!
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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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Children grow faster in the springtime than any other season during the year.
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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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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
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