The world's youngest parents were 8 and 9 and lived in China in 1910.
130
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
Over 50% of lottery players go back to work after winning the jackpot.
71
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
The Japanese commonly put ketchup on their rice.
16
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11