A man's beard grows fastest when he anticipates sex.
239
We share 70% of our DNA with a slug.
218
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
On average a woman has 4 sexual partners in her lifetime.
-143
The human body contains over a billion miles of DNA.
147
Mushrooms are more closely related to humans than they are to plants.
47
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Your fingernails grow faster in summer.
744