Snakeskin (IMAGE) IOP Publishing Caption This is a snakeskin photo. Credit <a target="_blank"href="https://www.flickr.com/photos/modernrelics/3937273720">Jessica Paterson / Flickr 2009</a> - used under <a target="_blank"href="https://creativecommons.org/licenses/by/2.0/">CC BY 2.0</a> license Usage Restrictions Under <a target="_blank"href="https://creativecommons.org/licenses/by/2.0/">CC BY 2.0</a> limitations 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.