AMES, Iowa — Backpocket Brewing teamed up with Iowa State University’s Science and Practice of Brewing class to produce and sell a new beer from students who won an end-of-semester beer competition. The winning team of four students made an IPA named Alien Juice Party. Backpocket sold the beer in its taprooms until it sold out. Robert Brown, the professor of the Science and Practice of Brewing class, said he came up with the idea of partnering with Backpocket when Iowa State University’s tradema