Only about 2% of the world population has green eyes.
36
All babies are color blind when they are born.
114
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Men fall in love faster than women do.
32
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11