ArticleHop Chemistry Science Understanding alpha acids, beta acids and beyond.Already a member? Log InWritten by Steve ParkesIssue: March-April 2002You'll Also Like Article MEMBERS ONLY Testing Your Hypothesis: Experiments you should do Homebrewing and experimenting are about as old as brewing itself . . . but modern scientific method delineates theories and proven facts. Denny and Drew provide some pointers. Article FREE The Noble Hops of Germany Brewers and suppliers will often talk about the "noble hops," but many folks are not familiar with them. Get some of the details about what makes them noble.