The cover of this issue is inspired by a Review on quantum programming languages. See Bettina Heim et al.

The cover of this issue illustrates an atomistic model of domain walls formed by strain in a lattice. See Guillaume Nataf et al.

The cover of this issue illustrates the interplay between particles (electrons) and quasiparticles (plasmons) at the interface of a 2D and a 3D material. See Rivera & Kaminer

The cover of this issue illustrates the idea of multiple instruments, multi-messenger observation campaigns discussed in a special Focus. See Editorial

The cover of this issue illustrates the creation of an optical Lieb lattice in an ultracold atom quantum simulator. See Schäfer et al.

This month’s cover shows one of the photon tunnels of European XFEL illuminated with blue light. See the Focus on X-ray Free Electron Lasers in this issue.

The cover of this issue is an artistic view of how living tissues can be understood in terms of concepts from mechanics, such as stress. See Manuel Gómez-González et al.

The cover of this issue is an artistic view using images of periodic nanostructures that can be fabricated into substrates for applications in plasmon-enhanced Raman spectroscopy. See Xiang Wang et al.

The cover of this issue illustrates a Viewpoint article on the visibility challenges faced by Asian scientists. See Hanasoge et al.

The cover of this issue shows a fast-camera image of the plasma inside the Mega Ampere Spherical Tokamak (MAST) device during a filamentary plasma eruption. See Christopher Ham et al.

The cover of this issue shows the feeding and swimming currents created by a starfish larva. See William Gilpin et al.

The cover of this issue shows a large-scale matter projection through the Illustris simulation with the dark matter density on the left transitioning to gas density on the right. See Mark Vogelsberger et al.