Contents

08 November 2016
Vol 9, Issue 453

About The Cover

Cover image expansion

Online Cover This week features a Research Article that provides evidence for slow diffusion of IP3, indicating that this second messenger is a local instead of global signal. The image shows the predicted ranges of action of intracellular messengers at different times for combinations of degradation and diffusion rates. [Image: Dickinson et al./Science Signaling]