Contents

07 January 2014
Vol 7, Issue 307

About The Cover

Cover image expansion

Online Cover This week features the annual Signaling Breakthroughs of the Year, highlighting structural insights into signaling proteins, advances in understanding signaling dynamics, and advances in methods for studying cellular regulatory phenomena. The image shows an artist's rendition of how temporal diversity in signal inputs are interpreted by a cell to produce a distinct output. [Image: Valerie Altounian/Science Signaling]