Forty percent of Americans have never visited a dentist.
33
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
More boys than girls are born during the day; more girls are born at night.
120
Most people smile when they are frustrated, according to a study.
15
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Over 98 percent of Japanese people are cremated after they die.
54
You will experience the billionth second of your life when you are 31 years old.
21
According to CNN national security correspondent David Ensore, as of 2002 bin Laden had married four women and fathered roughly 25 or 26 children.
54