The average person's skin weighs twice as much as their brain.
131
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Gorillas can catch human colds and other illnesses.
205
Obsessive nose picking is called Rhinotillexomania.
101
Your heart will pump about 212 million liters in its lifetime.
26
Poor eyesight (myopia) is associated with higher IQ.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The human body contains over a billion miles of DNA.
147