17 July 2012
Vol 5, Issue 233

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that members of the Abl family of tyrosine kinases are required for chemokine-dependent homeostatic circulation of T cells between the blood and secondary lymphoid organs, as well as for the recruitment of T cells to sites of inflammation. The image depicts the homeostatic migration of T cells. [Image: Yana Hammond, AAAS]