Only humans shed emotional tears.
331
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
A man's beard grows fastest when he anticipates sex.
239
It takes approximately 12 hours for food to entirely digest.
93
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
A person can live without food for about a month, but only about a week without water.
156
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132