Most of us take them for granted because we see them everywhere: blue sky, green grass, yellow flowers and countless more. Your eyes are actually able to distinguish up to 10 million colors!

But our furry friends see differently than we do. You are out for a stroll with your dog, and you look at the bright green grass, light blue sky and blazing yellow sun. You cannot help but wonder ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the ...