Poor eyesight (myopia) is associated with higher IQ.
232
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 heart will pump about 212 million liters in its lifetime.
26
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
