Most people smile when they are frustrated, according to a study.
15
Only 2% of the worlds population is blonde.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
More boys than girls are born during the day; more girls are born at night.
120
Malaysians protect their babies from disease by bathing them in beer.
-15
In 75% of American households, women manage the money and pay the bills.
97
15 percent of Americans secretly bite their toes.
57