Here's The Reason Why Blue Eyes Look The Way They Do Without Having Any Blue Pigment

Here's a weird fun fact: almost nothing in nature is blue. You may say, "but the sky is blue, you idiot." While that is something we're taught since we were small, the truth is that the sky just appears blue. This is due to the Tyndall effect, or the way light reflects off of scattered particles. Even birds you might think are blue, like the blue and yellow macaw, only appear blue because of nanochannels within their feathers that alter the way light reflects. So if you've got blue eyes, you guessed it, there's no blue pigment in there. But...

Contributer : ViralNova.com http://ift.tt/2GdvwUE