12 February 2016
Vol 351, Issue 6274

About The Cover

Cover image expansion

COVER Bubbles floating on top of a foaming solution, showing the formation of thin films, which give rise to interference effects. Analysis of thin-film drainage and stability is an active research area with many open questions. The Gordon Research Conference on Granular Matter will be held 24 to 29 July 2016 in Easton, Massachusetts. See page 742 for the Gordon Research Conference schedule and preliminary programs.
Photo: Wiebke Drenckhan, Université Paris-Sud, CNRS, France