People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
A hard working adult sweats up to 4 gallons per day.
39
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Half of all Americans over the age of 55 have no teeth.
39
One in 500 humans has one blue eye and one brown eye.
145
Children's sense of smell is better than adults'.
860
There are 189 people named 'Lol' in the U.S.
11