Roughly a quarter of the world's people live in China.
50
Intelligent men tend to be more sexually faithful.
31
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
You will experience the billionth second of your life when you are 31 years old.
21
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194