Dr Peter Wynn (1 of 2) (IMAGE) Lancaster University Caption Dr Peter Wynn, Lancaster University, taking a sample in Iceland Credit Dr Hugh Tuffen Usage Restrictions Only to be used in conjunction with the contents of this press release. 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.