Differentiating between two subtly different shades is a notoriously difficult task for some of us. Slight variations in ...

We experience beautiful sunrises and sunsets here in Michigan all the time. Cotton candy-colored sunsets are my favorite, and I'm sure you have your favorites too. Have you ever wondered why we see ...

Different leaves contain different pigments; think of those as "color substances"; yellow and orange leaves contain substances called carotenoids. Those are the same pigments which give carrots their ...