Roughly a quarter of the world's people live in China.
50
The leading cause of poisoning for children under the age of six in the home is liquid dish soap.
42
If you're over 100 years old, there's an 80% chance you're a woman.
143
Intelligent people have more zinc and copper in their hair.
233
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The average person laughs 13 times a day!
108
Most people smile when they are frustrated, according to a study.
15