Jin Liao, Georgia Institute of Technology (image) Georgia Institute of Technology Share Print E-Mail Caption Jin Liao checks the instrumentation in Barrow, Alaska, during a research trip to measure molecular chlorine in the atmosphere. Liao is the first author of the study, published January 12 in the Advance Online Edition of Nature Geoscience. Credit Greg Huey Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.