Thawing Permafrost (IMAGE) Florida State University Caption Assistant Professor Rob Spencer spent more than three months in Siberia between 2012 and 2014 to study thawing permafrost. Credit Robert Spencer/FSU Usage Restrictions None License Licensed content 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.