Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain has the capacity to store everything that you experience.
4k
Your thumb is about the same size as your nose.
124
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266