Nature Energy, Published online: 05 August 2026; doi:10.1038/s41560-026-02125-3

The performance of perovskite/Cu(In,Ga)Se2 tandem solar cells is limited by optical and electronic losses at the interfaces between layers. By engineering two of these interfaces, Zeng, Wang, Tang et al. achieve a certified efficiency of 30.57% and improved device stability.

Nature, Published online: 29 July 2026; doi:10.1038/s41586-026-10851-7

A new trigonal-phase Co3O4 manufactured using a vacuum-mediated molten-alkali mechanochemical method is described, demonstrating edge-shared octahedral coordination and achieving lower overpotential than spinel-type Co3O4 in the acidic oxygen evolution reaction, with reduced dissolution of cobalt.

Nature, Published online: 10 June 2026; doi:10.1038/s41586-026-10633-1

Linafexor is a rapidly cleared FXR agonist designed to mimic natural bile acid signalling, achieving transient receptor activation with strong efficacy and reduced toxicity in preclinical and early clinical studies.

Nature Geoscience, Published online: 04 June 2026; doi:10.1038/s41561-026-01999-y

Diurnal cycles in microbial reducer activity reveal synchronized mobilization of arsenic and iron in the rice rhizosphere, as shown by metatranscriptomic and biogeochemical analyses.

Nature Geoscience, Published online: 25 May 2026; doi:10.1038/s41561-026-01998-z

Soil viruses greatly influence the carbon sequestration processes associated with anaerobic methane oxidation, according to analyses of carbon flows in paddy soil.