Tumor Cells on the Move (IMAGE) Scripps Research Institute Caption Scripps Research Institute biophysicist Peter Kuhn and colleagues have captured images of tumor cells circulating in the blood stream, such as this cluster of lung tumor cells (in red-blue) shown interacting with normal blood cells (green-blue) recovered from a blood sample of patient with lung cancer. Credit Image courtesy of the Kuhn lab, the Scripps Research Institute 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.