ERDC Beyond the Gates Season 4, Episode 5: Solving Arctic Cloud Mysteries with Dr. Chris Polashenski, Research Geophysicist; Tricia Nelson, Research Physical Scientist; Roy Hessner, Engineer Technician; and Nathan Kurtz, NASA’s Chief of the Cryospheric Sciences Laboratory ERDC Beyond the Gates is on Newstalk 1490AM and 107.7FM every Thursday at 8:15am and 9:10am.