The world's shortest man measures only 21.5 inches.
73
Human hair and fingernails continue to grow after death.
7
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 adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
One human hair can support 3 ounces.
191
A man's beard grows fastest when he anticipates sex.
239