Media-5_Lab Crust Short.mp4 (VIDEO) SETI Institute This video is under embargo. Please login to access this video. Caption Short video illustrating wetting of Mars soil analog material covering calcium sulfate and calcium chloride from below, absorption of water by salts and soil particles, migration of the salts towards the surface, and formation of crust with cavities. Credit Video Credit: Janice Bishop and Markus Gruendler, SETI Institute Usage Restrictions Cite video credit 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.