{"podcast":{"title":"NSF’s Discovery Files Podcast","slug":"nsf-s-discovery-files-podcast-5593035","podcast_index_feed_id":5593035,"rss_url":"https://feed.podbean.com/NSFsDiscoveryFilesPodcast/feed.xml","website_url":"https://NSFsDiscoveryFilesPodcast.podbean.com","image_url":"https://pbcdn1.podbean.com/imglogo/image-logo/20286427/NSFsDiscoveryFiles_YTSeriesPodcastThumbnail.jpg","author":"U.S. National Science Foundation","episode_count":163,"summary":"This is the Discovery Files Podcast from the U.S. National Science Foundation. Join us as we explore the latest breakthroughs in science, technology and engineering with the researchers making these discoveries. Learn how scientific innovation bolsters the U.S. economy, supports our Nation’s interests around the globe, and improves the lives of Americans.","last_synced_at":"2026-06-08T16:18:16.101319+00:00","page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035"},"episode":{"title":"Light From Cosmic Dawn","slug":"light-from-cosmic-dawn","published_at":"2025-06-16T07:01:00+00:00","page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035/light-from-cosmic-dawn","show_page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035","url":"https://NSFsDiscoveryFilesPodcast.podbean.com/e/light-from-cosmic-dawn/","audio_url":"https://mcdn.podbean.com/mf/web/i87cqzudruzhs53i/NSFsDiscoveryFilesPodcast_144_LightFromCosmicDawn.mp3","summary":"U.S. National Science Foundation-supported observatories allow researchers to advance and expand humanity’s understanding of the early universe. Tobias Marriage, a professor at Johns Hopkins University, and Yunyang Li, a postdoctoral researcher at The University of Chicago, discuss how they used the NSF Cosmology Large Angular Scale Surveyor to see the cosmic microwave background, light from the beginning of the universe.","meta_description":"U.S. National Science Foundation-supported observatories allow researchers to advance and expand humanity’s understanding of the early universe. Tobias Ma…","key_points":[],"chapters":[],"topics":[],"duration_seconds":992,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/nsf-s-discovery-files-podcast-5593035/episodes/light-from-cosmic-dawn/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035/light-from-cosmic-dawn.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}