Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
-11
On average, men's noses are 10% larger than women's.
12