Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10833-9

CRISPR–Cas systems transcriptionally tune diverse innate defences using CRISPR RNA-like guides to balance antiviral protection with fitness, and hyperactivate these defences when compromised, establishing a layered bacterial ‘immunity guard’ network.

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 Energy, Published online: 14 July 2026; doi:10.1038/s41560-026-02093-8

Vacuum-processed perovskite solar cells show promise, yet their efficiency remains limited. Xu et al. use formamidinium acetate to promote perovskite crystallization, achieving a 25.5% power conversion efficiency and 1,000 h operational stability.

Nature, Published online: 13 July 2026; doi:10.1038/s41586-026-10869-x

Perovskite–organic tandem solar cells with a photo-transformable stabilizer

Nature, Published online: 10 June 2026; doi:10.1038/s41586-026-10546-z

Researchers uncovered an enormous deep-sea accumulation of whale remains in the southeastern Indian Ocean, showing long-term, specialized ecosystems and an extensive fossil record that offers new insight into deep-ocean biodiversity and whale evolutionary history.