NATURE PODCAST28 October 2026Expedition revealed that water wasn’t enough for human settlement — plus, proposals to block sunlight get serious.ByShamini Bundell &Nick Petrić HoweShamini BundellView author publicationsSearch author on: PubMed Google ScholarNick Petrić HoweView author publicationsSearch author on: PubMed Google ScholarView saved researchDownload the Nature Podcast 28 October 2026In this episode:00:49 A failed desert expedition to find human tools reveals what humans needed to thriveResearch Article: Dellmour et al.12:33 Research HighlightsNature: Sleep declines in rural communities after electricity arrivesNature: AI doctors’ orders come with a sky-high bill15:14 Could satellites help cool Earth?Nature: Could a giant sunshade in space 'solve global warming'? Scientists are taking the idea seriouslySubscribe 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.doi: https://doi.org/10.1038/d41586-026-03484-3SubjectsArchaeologySpace physicsMachine learningLatest on:ArchaeologySpace physicsMachine learningJobs Associate or Senior Editor, Communications AI & ComputingJob Title: Associate or Senior Editor, Communications AI & Computing Locations: Shanghai, Beijing, Pune, New Delhi, Berlin or Madrid (hybrid) Appli...Shanghai, Beijing, Pune, New Delhi, Berlin or Madrid (hybrid)Springer Nature LtdFaculty Positions in Westlake UniversityFounded in 2018, Westlake University is a new type of non-profit research-oriented university in Hangzhou, China, supported by public a...Hangzhou, Zhejiang, ChinaWestlake University