Most people smile when they are frustrated, according to a study.
15
Only about 2% of the world population has green eyes.
36
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
The Japanese, on average, are the shortest people.
320
Children grow faster in the springtime than any other season during the year.
108
Infants spend more time dreaming than adults do.
102
About 2/3 of American men prefer boxers to briefs.
83
Studies show that financially stable men prefer smaller breasts.
16