{"podcast":{"title":"TED-Ed","slug":"ted-ed-7859430","podcast_index_feed_id":7859430,"rss_url":"https://feeds.megaphone.fm/ted-ed","website_url":null,"image_url":"https://megaphone.imgix.net/podcasts/b7403760-4a33-11f1-9f4d-0b7f17190ea0/image/74cc63dc47cf18e2bcec0e2d83f0aaf9.jpg?ixlib=rails-4.3.1&max-w=3000&max-h=3000&fit=crop&auto=format,compress","author":"TED-Ed","episode_count":1210,"summary":"TED-Ed’s mission is to create lessons worth sharing. Feed and expand your curiosity with our award-winning animated shorts - published on YouTube and available with supplemental learning materials on ed.ted.com. Want to suggest an idea for a TED-Ed animation, nominate an educator or animator? Visit our website at: http://ed.ted.com/get_involved. Consider backing us on Patreon. By doing so, you directly support our nonprofit mission to create free, high-quality educational content: https://www.patreon.com/teded For more information on using TED-Ed content for commercial purposes (e.g. employee learning, in a film, or in an online course), please submit a Media Request using this link: https://media-requests.ted.com/","last_synced_at":"2026-07-25T10:18:01.246496+00:00","page_url":"https://stenobird.com/podcast/ted-ed-7859430"},"episode":{"title":"Why is 'x' the enigma? - Terry Moore","slug":"why-is-x-the-enigma-terry-moore","published_at":"2026-06-19T12:30:00+00:00","page_url":"https://stenobird.com/podcast/ted-ed-7859430/why-is-x-the-enigma-terry-moore","show_page_url":"https://stenobird.com/podcast/ted-ed-7859430","url":"https://traffic.megaphone.fm/VG2948752436.mp3","audio_url":"https://traffic.megaphone.fm/VG2948752436.mp3","summary":"Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer. Talk by Terry Moore. Learn more about your ad choices. Visit megaphone.fm/adchoices","meta_description":"Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer. Talk by Terry Moore. Learn more about your ad…","key_points":[],"chapters":[],"topics":[],"duration_seconds":342,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/ted-ed-7859430/episodes/why-is-x-the-enigma-terry-moore/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/ted-ed-7859430/why-is-x-the-enigma-terry-moore.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}