In a lifetime, an average person walks the equivalent of 5 equators
177
Yawns are more contagious among people with closer relationships.
163
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
In a year, the average person walks four miles to make his or her bed.
56
Roughly a quarter of the world's people live in China.
50
Most people smile when they are frustrated, according to a study.
15
The average American spends a third of their overall time online playing games and using social networks.
298