Contents

06 March 2020
Vol 367, Issue 6482

About The Cover

Cover image expansion

COVER Fluorescence microscopy image of a composite three-dimensional active nematic liquid crystal. Light-sheet microscopy reveals the structure and dynamics of disclination defects, which are fundamental features of nematic liquid crystals and other fluids with orientational order. See pages 1075 and 1120.
Image: Ray Adkins