Robbin Vernooij, University of Warwick (IMAGE) University of Warwick Caption This is the lead author Robbin Vernooij. Credit Robbin Vernooij/University of Warwick 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.