Mars in Iceland (VIDEO) University of Iowa This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption An University of Iowa-led team is examining volcanic sands in Iceland to learn more about sand dunes that speckles Mars. Credit Clarity Guerra, Univ. of Iowa Usage Restrictions None 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.