Nature Human BehaviourUS funding cuts offer a rare chance to remodel Global North–Global South research collaborationAndrew Reid BellSarobidy RakotonarivoTalha ManzoorRodrigo MoreiraMarije SchaafsmaLameck FiwaWei Zhang2026-06-15Full textDOI https://doi.org/10.1038/s41562-026-02497-2