One in 500 humans has one blue eye and one brown eye.
145
A man named Charles Osborne had the hiccups for approximately sixty-nine years.
79
Children's sense of smell is better than adults'.
860
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
In a year, the average person walks four miles to make his or her bed.
56