Nature Energy, Published online: 13 July 2026; doi:10.1038/s41560-026-02111-9

Elemental diffusion in Cu2ZnSnS4 induces secondary phases and defects, limiting the open-circuit voltage in associated solar cells. Wang et al. introduce two-stage copper incorporation to suppress copper out-diffusion, enabling 12.4% efficiency and an 874-mV open-circuit voltage in solar cells.

Nature, Published online: 01 July 2026; doi:10.1038/s41586-026-10424-8

In the mouse visual cortex, multimodal cell-type definitions, gene expression patterns and cell location predict long-range projection targets of excitatory neurons, linking transcriptomic identity with morphological, electrophysiological and circuit-level properties.

Nature, Published online: 10 June 2026; doi:10.1038/s41586-026-10613-5

Molecular glue degraders of the RNA-binding protein HuR have therapeutic potential for BRAF-mutant cancers.