As Experts Argue About Coronavirus Face-Coverings, Here's What You Should Know Mic.com August 13, 2020 Charles Haas, PhD, LD Betz professor of Environmental Engineering in the College of Engineering, was quoted in an Aug. 12 Science News story about erroneous reporting around a new study that suggested the study indicated neck gaiters did not prevent aerosol spread of COVID-19. Haas was cited in a related story in Mic on Aug 13. View Story Topical Tags: College of Engineering environmental engineering Share Related