{"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":"Recovering Critical Minerals","slug":"recovering-critical-minerals","published_at":"2026-04-20T07:01:00+00:00","page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035/recovering-critical-minerals","show_page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035","url":"https://NSFsDiscoveryFilesPodcast.podbean.com/e/recovering-critical-minerals/","audio_url":"https://mcdn.podbean.com/mf/web/h3appgkm56nwub4z/NSFsDiscoveryFilesPodcast_155_RecoveringCriticalMinerals.mp3","summary":"Critical minerals play an essential role in modern technologies, and a domestic supply is essential for national security. Elizabeth Holley, an NSF-supported associate professor, discusses how domestic supplies might be increased by recovering critical minerals from the byproducts of existing mining sites.","meta_description":"Critical minerals play an essential role in modern technologies, and a domestic supply is essential for national security. Elizabeth Holley, an NSF-suppor…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1307,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/nsf-s-discovery-files-podcast-5593035/episodes/recovering-critical-minerals/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/recovering-critical-minerals.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}