On average a woman has 4 sexual partners in her lifetime.
-143
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
There are two credit cards for every person in the United States.
2