There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The average person walks the equivalent of twice around the world in a lifetime
69
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
Thrity-five percent of the people who use personal ads for dating are already married.
102
47% of people have a nightmare at least once a month.
186
According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
9