Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The average American spends a third of their overall time online playing games and using social networks.
298
The Japanese commonly put ketchup on their rice.
16
Males sweat 40% more than females.
104
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
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