People with blue eyes are better able to see in the dark.
153
Men laugh longer, louder, and more often than women.
61
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Intelligent people have more zinc and copper in their hair.
233
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
The average single man is one inch shorter than the average married man.
88
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Only 2% of the worlds population is blonde.
15