You have full access to this article via your institution. Download the Nature Podcast 25 March 2026 In this episode: Research Article : Snelling et al. Nature: Faster ticking of ‘biological clock’ predicts shorter lifespan Nature: Mighty mini-magnet is low in cost and light on energy use Research Article: Nyberg et al. News & Views: A gene-editing method generates immunotherapeutic CAR T cells in the body Nature: CRISPR makes enhanced cancer-fighting immune cells inside mice Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Never miss an episode. Subscribe to the Nature Podcast on Apple Podcasts, Spotify, YouTube Music or your favourite podcast app. An RSS feed for the Nature Podcast is available too.…