If the human eye was a digital camera, it would have 576 megapixels.
25
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human brain is more active during sleep than during the day.
28
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266