There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
90 percent of women who walk into a department store immediately turn to the right.
134
Most of the world's people must walk at least 3 hours to fetch water!
38
The average housewife walks 10 miles a day around the house doing her chores.
100