Ice with arrow (IMAGE) Cell Press Caption This image shows how ice crystals that bind with the polymer molecules experience dynamic ice shaping, changing from a sphere to a rounded hexagon, which the researchers call 'lemon ice'. Credit Living Materials Laboratory, University of Colorado Boulder Usage Restrictions credit required 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.