Contents

04 May 2010
Vol 3, Issue 120

About The Cover

Cover image expansion

Online Cover This week's issue features a Research Article that identified genes encoding factors that promote cell invasion across basement membranes, a process that occurs during development, inflammatory responses, and cancer metastasis. The image is a composite time series showing a cell (green) breaching a basement membrane (purple). [Image: David Q. Matus, Biology Department, Duke University]