One in 500 humans has one blue eye and one brown eye.
145
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
On average women can hear better than men.
170
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
A hard working adult sweats up to 4 gallons per day.
39