Relaxed Selection (image) National Evolutionary Synthesis Center (NESCent) Caption This is a cartoon version of relaxed selection, as featured in the September 2009 issue of the journal TREE (Lahti, D. C., N. A. Johnson, et al. ). Credit Cover design by Philip Patenall Usage Restrictions None 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.