When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
A man's beard grows fastest when he anticipates sex.
239
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
The human eye blinks an average of 4,200,000 times a year.
233
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Mushrooms are more closely related to humans than they are to plants.
47
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132