Next to 'why is the sky blue' and 'where do babies come from,' 'why do leaves turn color in the fall' might be the most frequently asked question about nature. Next to 'why is the sky blue' and 'where ...

Although storminess and a lack of wind this fall have counteracted that, the leaves can only hang on so long. The period of peak color will probably last another week or so until the vibrant hues ...