Mark Birch-Machin, Newcastle University (IMAGE) Newcastle University Caption Professor Mark Birch-Machin in the lab as his new research reveals the damage caused to the skin by the combination of UV, visible and infrared light. Credit Newcastle University, UK Usage Restrictions Please use only in conjunction with this story. 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.