Being the first American-bred aroma variety, it is not surprising that the Cascade Hops varietal was the most prevalent in US craft beers.
What is ‘looping’ in beer?
Stanford researchers found that beer bubbles create a gravity-defying loop. Bubbles head up in the center where frictional drag from the glass is less and down on the outside as the top gets crowded.
What are IBU’s and why do they matter?
IBU stands for International Bitterness Units and describes the saturation level of alpha-acids within a beer. In other words, it relates to the beer’s palate intensity. IBU’s are primarily useful as a way for brewers to compare and discuss beer bitterness in terms of alpha-acid concentrations.
Originally published in our Craft Beer of the Month Club's Micro Brew News, Blackstone Brewing Company edition.