Nature, Published online: 16 March 2026; doi:10.1038/d41586-026-00843-yGraduate students increasingly use artificial-intelligence tools to draft, code and search — but many fear it could erode the very skills a doctorate is meant to build.

Nature, Published online: 06 March 2026; doi:10.1038/d41586-026-00692-9Hormone therapy is back after decades in the shadows. But evidence gaps remain for treating perimenopause — often the most disruptive part of the menopause transition.