Plate Habitat (IMAGE) NASA/Johnson Space Center Caption The Plate Habitat (PHAB) containing BioCell cassettes for the Expanded Stem Cell investigation aboard the space station. Credit BioServe Inc., University of Colorado 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.