The Chemistry Behind the Different Colors of Autumn Leaves

At some point when you were a wee child, your parents or teachers probably gave you a simple—but incomplete—explanation of why leaves change color in the fall: green chlorophyll fades to reveal the yellows and oranges that have been there all along. That's true, but that's not the whole chemical story. » 9/18/14 2:25pm 9/18/14 2:25pm