People with blue eyes are better able to see in the dark.
153
Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Identical twins do not have identical fingerprints.
79
The world's shortest man measures only 21.5 inches.
73
Most people smile when they are frustrated, according to a study.
15
Forty percent of Americans have never visited a dentist.
33
Only about 2% of the world population has green eyes.
36