A hard working adult sweats up to 4 gallons per day.
39
You share your birthday with at least 9 other million people in the world.
201
Infants spend more time dreaming than adults do.
102
Intelligent men tend to be more sexually faithful.
31
Most people smile when they are frustrated, according to a study.
15
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
Only about 2% of the world population has green eyes.
36