Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Every human spent about half an hour as a single cell.
144
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In one day an average person will take about 18,000 steps.
55
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20