There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Thrity-five percent of the people who use personal ads for dating are already married.
102
Women have a slightly higher average IQ than men.
164
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Men laugh longer, louder, and more often than women.
61
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
In one day an average person will take about 18,000 steps.
55
Muhammad is the most common name in the world.
96