A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Only about 2% of the world population has green eyes.
36
Every human spent about half an hour as a single cell.
144
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Men fall in love faster than women do.
32
40% of people who are rejected in romantic love slip into clinical depression.
72
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