Improved Polymers for Gas-Separation Membranes (9 of 9) (video) American Association for the Advancement of Science Share Print E-Mail Loading video... Caption This movie shows the molecular structure of the highly rigid and contorted polymer at the center of this study. This video relates to a paper that appeared in Jan. 18, 2013, issue of Science, published by AAAS. The paper, by Mariolino Carta at Cardiff University in Cardiff, UK, and colleagues was titled, "An Efficient Polymer Molecular Sieve for Membrane Gas Separations." Credit [Video courtesy of Neil McKeown] Usage Restrictions Please cite the owner of the video when publishing. This video may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.