Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Our brains have a negativity bias and will remember bad memories more than good ones.
15
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The world's shortest man measures only 21.5 inches.
73
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Obsessive nose picking is called Rhinotillexomania.
101
Only humans shed emotional tears.
331