We have a new publication in Annual Review of Biomedical Engineering: G. F. Beeghly, K. Y. Amofa, C. Fischbach and S. Kumar (in press). Regulation of Tumor Invasion by the Physical Microenvironment: Lessons from Breast and Brain Cancer. Annual Review of Biomedical Engineering (DOI 10.1146/annurev-bioeng-110220-115419) (PDF).