The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The average American consumes 9 pounds of food additives every year.
6
Roughly a quarter of the world's people live in China.
50
Only 2% of the worlds population is blonde.
15
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
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 world's youngest parents were 8 and 9 and lived in China in 1910.
130