40% of people who are rejected in romantic love slip into clinical depression.
72
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Roughly a quarter of the world's people live in China.
50
Intelligent men tend to be more sexually faithful.
31
The average person walks the equivalent of twice around the world in a lifetime
69
Every workday, 6.7 million people commute to Manhattan!
26
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
You share your birthday with at least 9 other million people in the world.
201