If the human eye was a digital camera, it would have 576 megapixels.
25
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 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
You can't tickle yourself.
29
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mushrooms are more closely related to humans than they are to plants.
47
One human hair can support 3 ounces.
191