Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Muhammad is the most common name in the world.
96
If you're over 100 years old, there's an 80% chance you're a woman.
143
Every three seconds, a new baby is born.
122
2% of Europeans lack the genes for smelly armpits.
6
Infants spend more time dreaming than adults do.
102
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
Males sweat 40% more than females.
104