One in 500 humans has one blue eye and one brown eye.
145
Children grow faster in the springtime than any other season during the year.
108
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
On average, a person will spend about five years eating during his or her lifetime.
90
If you're over 100 years old, there's an 80% chance you're a woman.
143
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11