How is beer made? Even the smallest change in the process can change its color, taste, and aroma

Beer is made by fermenting malted grains, hops, water, and yeast. Small changes in ingredient amounts and production result in a vast array of beers.
SpaceNews

“SAPPORO Space Barley” Beer Is Launched Onto The Market For The First Time In The World In Limited Quantities For Charity

Tokyo, Dec 3, 2009 (Sapporo Breweries Ltd. (PINK:SOOBF)(Head Office: Tokyo; President Masaru Fukunaga) is launching sales of the world’s first beer produced using malt made 100% from “space barley,” ...