Nature, Published online: 10 June 2026; doi:10.1038/s41586-026-10596-3

Efficient blue perovskite light-emitting diodes with an external quantum efficiency of 21.8% are achieved through in situ polymerization-driven nanocrystal confinement.

Nature Geoscience, Published online: 10 June 2026; doi:10.1038/s41561-026-02006-0

Most oceanic intraplate volcanism, including seamounts far from mantle hotspots, originates from deep-rooted mantle plumes, according to a data-constrained numerical simulation of the thermal evolution of the mantle over the past 270 million years.