Physical Cues Drive Metatasis (IMAGE) American Physical Society Caption The green represents collagen while areas of red represent breast cancer cells. From the research of Bo Sun Credit Jihan Kim (Oregon State University), Yunsheng Cao (UCSD), Herbert Levin (Northeastern University), Wouter-Jan Rappel (UCSD) and Bo Sun (Oregon State University). 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.