Nature Geoscience, Published online: 05 August 2026; doi:10.1038/s41561-026-02062-6

Frequent Arctic nucleation events arise from coupled iodine and sulfur chemistry, with organics driving rapid growth. Ship-based observations show that this process can increase cloud condensation nuclei by up to 50-fold near marginal sea ice.

Nature, Published online: 17 June 2026; doi:10.1038/s41586-026-10638-w

A new polaritonic optical method that uses the mid-infrared out-of-plane hyperbolic polaritons mode is described and experimentally validated to allow the examination of picometre-scale interlayer deformations, providing a bridge between nanomechanics and photonics.