Dr. Aaron Goodarzi, University of Calgary (IMAGE) University of Calgary Caption Dr. Aaron Goodarzi with pictures of the DNA of human lung cells exposed to high linear energy transfer radiation, the same type of radiation emitted by radon. The green stripes indicate the 'swathe of genetic destruction' caused by the radiation as it passed through the DNA of cell. Credit Riley Brandt 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.