The Fluid That Feeds Tumor Cells (IMAGE) Massachusetts Institute of Technology Caption Pancreatic cancer cells (nuclei in blue) growing as a sphere encased in membranes (red). By growing cancer cells in the lab, researchers can study factors that promote and prevent the formation of deadly tumors. Credit Min Yu (Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research at USC) Usage Restrictions Images for download are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.