Rat snake (IMAGE) Colorado State University Caption The research team studied rat snakes and wild boar across a range of radiation exposures, examining biomarkers of DNA damage and stress. Credit Hannah Gerke/University of Georgia Usage Restrictions No restrictions but please use photographer credit. License Original 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.