Cuttlefish (image) Harvard University Caption The cuttlefish, known as the "chameleon of the sea," can rapidly alter both the color and pattern of its skin. Researchers at Harvard and MBL now understand the biology and physics behind this process. Credit Photo courtesy of Brian Gratwicke/Flickr, Creative Commons BY 2.0. Usage Restrictions This image is provided under a Creative Commons Attribution 2.0 license. The terms of the license may be viewed at http://creativecommons.org/licenses/by/2.0/legalcode. Simple summary at http://creativecommons.org/licenses/by/2.0/deed.en. 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.