{"podcast":{"title":"Cool Worlds Podcast","slug":"cool-worlds-podcast-6424163","podcast_index_feed_id":6424163,"rss_url":"https://coolworldslab.podbean.com/feed.xml","website_url":"https://coolworldslab.podbean.com","image_url":"https://pbcdn1.podbean.com/imglogo/image-logo/16556188/LOGO_1800_3vadzt.jpg","author":"coolworldslab","episode_count":33,"summary":"Conversations between Professor David Kipping and guests, spanning astronomy, technology, science and engineering. This is the official podcast of the Cool Worlds Lab at Columbia University and their popular YouTube channel ”Cool Worlds”. Podcast episodes are filmed and can be found online through our YouTube channels.","last_synced_at":"2026-06-28T12:17:16.937401+00:00","page_url":"https://stenobird.com/podcast/cool-worlds-podcast-6424163"},"episode":{"title":"#22 Sara Walker - Origin of Life, Assembly Theory, Biosignatures","slug":"22-sara-walker-origin-of-life-assembly-theory-biosignatures","published_at":"2025-05-18T19:12:00+00:00","page_url":"https://stenobird.com/podcast/cool-worlds-podcast-6424163/22-sara-walker-origin-of-life-assembly-theory-biosignatures","show_page_url":"https://stenobird.com/podcast/cool-worlds-podcast-6424163","url":"https://coolworldslab.podbean.com/e/22-sara-walker-origin-of-life-assembly-theory-biosignatures/","audio_url":"https://mcdn.podbean.com/mf/web/g8m4p6vatawiiae2/22SaraWalker.mp3","summary":"In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker has spent the last few years developing a new concept in astrobiology known as assembly theory, which we explore in this episode. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]","meta_description":"In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker has…","key_points":[],"chapters":[],"topics":[],"duration_seconds":4235,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/cool-worlds-podcast-6424163/episodes/22-sara-walker-origin-of-life-assembly-theory-biosignatures/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/cool-worlds-podcast-6424163/22-sara-walker-origin-of-life-assembly-theory-biosignatures.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}