Yeast

Yeast  

       Here's a wiki link on the subject can be found at: http://en.wikipedia.org/wiki/Yeast

            Here's some other links on the same subject:

            http://science.howstuffworks.com/life/fungi/yeast-info.htm

            http://www.exploreyeast.com/

            http://homecooking.about.com/od/specificfood/a/yeast.htm

            http://readynutrition.com/resources/survival-food-series-3-ways-to-naturally-make-yeast_02032011/

 

There are many other links about using yeast for many reasons, too.