Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Only 2% of the Earth's population are natural redheads.
13
Roughly a quarter of the world's people live in China.
50
One in 500 humans has one blue eye and one brown eye.
145
You will experience the billionth second of your life when you are 31 years old.
21
In a year, the average person walks four miles to make his or her bed.
56
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
90 percent of women who walk into a department store immediately turn to the right.
134