Cover image: Curvature of a premixed combustion front. The flame sheet is anchored at a rod across a turbulent flow. The flame protrudes into the reactants (red) with sharp creases toward products (blue). This simulation uses adaptive mesh refinement in conjunction with the low-Mach-number formulation of the Navier-Stokes equations. See the article by Bell et al. on pages 10006-10011. Image courtesy of Cristina Siegerist and E. Wes Bethel, Lawrence Berkeley National Laboratory/National Energy Research Scientific Computing Center Visualization Group.