In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There's a woman named Veronica Seider who had vision 20x better than average. She could identify people more than a mile (1.6km) away.
22
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
Only about 2% of the world population has green eyes.
36
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Tigers can see 6 times better at night than humans.
305
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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