Most people smile when they are frustrated, according to a study.
15
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Women mature much faster than men.
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Nearly 10% of American households dress their pets in Halloween costumes.
36
2% of Europeans lack the genes for smelly armpits.
6