The average person will go on a date at least 100 times before they finally marry.
33
One human hair can support 3 ounces.
191
Yawns are more contagious among people with closer relationships.
163
The human brain is more active during sleep than during the day.
28
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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