A man's beard grows fastest when he anticipates sex.
239
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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 world's shortest man measures only 21.5 inches.
73
We share 70% of our DNA with a slug.
218
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Gorillas can catch human colds and other illnesses.
205