{"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":"Critical Minerals and Rare Earth Elements","slug":"critical-minerals-and-rare-earth-elements","published_at":"2025-05-26T07:01:00+00:00","page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035/critical-minerals-and-rare-earth-elements","show_page_url":"https://stenobird.com/podcast/nsf-s-discovery-files-podcast-5593035","url":"https://NSFsDiscoveryFilesPodcast.podbean.com/e/critical-minerals-and-rare-earth-elements/","audio_url":"https://mcdn.podbean.com/mf/web/yq8k2uckhkdfchbt/NSFsDiscoveryFilesPodcast_141_CriticalMineralsandRareEarthElements.mp3","summary":"Critical minerals are crucial to both the economy and national security. Rachel Teasdale, a professor at California State University, Chico, and program director in the U.S. National Science Foundation Division of Earth Sciences, discusses how critical minerals and rare earth elements form and how we use them.","meta_description":"Critical minerals are crucial to both the economy and national security. Rachel Teasdale, a professor at California State University, Chico, and program d…","key_points":[],"chapters":[],"topics":[],"duration_seconds":864,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/nsf-s-discovery-files-podcast-5593035/episodes/critical-minerals-and-rare-earth-elements/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/critical-minerals-and-rare-earth-elements.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}