Roughly a quarter of the world's people live in China.
50
Children's sense of smell is better than adults'.
860
Two in five people in the world marry their first love.
270
In a lifetime, an average person walks the equivalent of 5 equators
177
About 3000 years ago, most Egyptians died by the time they were 30!
18
Every three seconds, a new baby is born.
122
Half of all Americans over the age of 55 have no teeth.
39