Ok, here's a quick question (or maybe not so quick). I was making coffee this morning and brought supplies in to work, one of which is sugar. The last bag of sugar is almost gone and has been sitting here for quite a few months now, but it's still just as clean and pure as the day I brought it in. Why doesn't sugar grow mold on it or decay in any way? I have to believe there are microbes in the sugar, the same as those that lay on any surface or drift through the air and land on food. Why doesn't sugar decay?