This microbe fueled food preservation method is utilized much more often than upon first consideration. Fermentation is an integral part of many of your favorite foods by using bacteria or yeast to convert sugars into acids gasses or alcohol. Common items you may consume everyday like bread, yogurt, cheese, salami, miso, chocolate, saurkraut need these microorganisms to be produced. This category will , by its very nature, overlap with other methods we cover here on this site, but the focus for us on this page is the metabolizing of sugars into alcohol. We'll spare you from all the nerdy science talk for the most part, but a basic understanding of what is taking place is very useful when learning about this method.