Contents

06 January 2015
Vol 8, Issue 358

About The Cover

Cover image expansion

Online Cover This week features the annual Signaling Breakthroughs of the Year, highlighting molecular and functional insights into innate immunity, host-microbe interactions, and cell death and new techniques to study cell signaling. The image is an artist's depiction of the microbiota on the mucus secreted by the goblet cells in the intestinal epithelium. [Image: Heather McDonald/Science Signaling]