Nature, Published online: 15 July 2026; doi:10.1038/s41586-026-10804-0

Elastic instabilities in mechanical metamaterials can be harnessed to programme fracture behaviour, transforming instability from a failure mechanism into a design principle that increases fracture energy by up to tenfold.

Nature Energy, Published online: 10 July 2026; doi:10.1038/s41560-026-02102-w

EU import tariffs on battery electric vehicles may not substantially hinder the overall electrification process but may substantially reduce adoption in vulnerable markets. These findings highlight the uneven implications of broad trade interventions and underscore the importance of complementary policies to support a resilient and inclusive transition.