 While working with sensory scientist Sue Langstoff, Roach studied beer taste-testing methods used in detecting impurities in quality, such as picking up on unpleasant smells one might find if the beer making equipment were cleaned with chlorinated water.She has also consulted oral physiologist, Dr. Andries Van der Bilt, to analyze the complex ability of the human jaw to break down food and protect the mouth while chewing.In 1997 she visited Antarctica to write an article for "Discover Magazine" on meteorite hunting with meteorite hunter Ralph Harvey.