ArticleUnderstanding the Science behind Beer FoamBeer foam: it’s more than just a layer at the top of your glass. Explore the science of the suds.Already a member? Log InWritten by John PalmerYou'll Also Like Article FREE The Phenolic Phamily The word “phenol” often comes up in the beer world, but its use can vary widely. In fact hundreds of phenolic compounds have been found to exist in beer. Learn some of the basics about the family of organic compounds. Article MEMBERS ONLY Dose Carbing: CO2 generation from sugar sources Priming beer is often an overlooked facet by many homebrewers, but there is a whole world of interesting ways to go about carbonating. Learn some of the more advanced techniques.