Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10655-9

Scalable quasi-pure metal–organic framework membranes achieve near-intrinsic separation performance, enabling energy-efficient industrial gas separations with major cost reductions compared with distillation.

Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10762-7

A rich variety of both integer and fractional high-Chern insulators are observed in a moiré system composed of Bernal bilayer graphene and rhombohedral tetralayer graphene.