During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Forty percent of Americans have never visited a dentist.
33
Males sweat 40% more than females.
104
Every human spent about half an hour as a single cell.
144
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51