Most people smile when they are frustrated, according to a study.
15
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
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
The average housewife walks 10 miles a day around the house doing her chores.
100
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
The Japanese commonly put ketchup on their rice.
16
Intelligent men tend to be more sexually faithful.
31