{"podcast":{"title":"Why Though? with Dr. Matt Agnew","slug":"why-though-with-dr-matt-agnew-7777450","podcast_index_feed_id":7777450,"rss_url":"https://feeds.acast.com/public/shows/69be1b0c3bbfcfe8dba05019","website_url":"https://shows.acast.com/why-though-with-dr-matt-agnew","image_url":"https://assets.pippa.io/shows/cover/1774065121689-4e0094d7-a958-4003-969a-368bfd3dc9fd.jpeg","author":"MIK and Dr Matt Agnew","episode_count":12,"summary":"Hosted by scientist Dr Matt Agnew, Why Though? is Australia's new science podcast for curious kids aged 8–12. Every episode starts with one question kids actually ask... and ends with a science adventure. Real answers, weird facts, and the kind of stuff that makes you look at the world differently on the walk home from school. Perfect for car trips, classrooms, and kids who can't stop asking why. Why Though? The show for little scientists who love asking big questions. Follow or subscribe now so you don't miss Episode One. Hosted on Acast. See acast.com/privacy for more information.","last_synced_at":"2026-07-12T18:20:02.657954+00:00","page_url":"https://stenobird.com/podcast/why-though-with-dr-matt-agnew-7777450"},"episode":{"title":"Why Does Helium Make Our Voice Sound Funny?","slug":"why-does-helium-make-our-voice-sound-funny","published_at":"2026-05-09T20:00:00+00:00","page_url":"https://stenobird.com/podcast/why-though-with-dr-matt-agnew-7777450/why-does-helium-make-our-voice-sound-funny","show_page_url":"https://stenobird.com/podcast/why-though-with-dr-matt-agnew-7777450","url":"https://shows.acast.com/why-though-with-dr-matt-agnew/episodes/why-does-helium-make-our-voice-sound-funny","audio_url":"https://sphinx.acast.com/p/open/s/69be1b0c3bbfcfe8dba05019/e/69fed9d0d32780f77a81b73f/media.mp3","summary":"Ever heard someone talk after a helium balloon and suddenly sound like a tiny squeaky mouse? There's real science behind it... and it's weirder than you think. In this episode of Why Though?, Dr Matt Agnew investigates the helium voice mystery. Why do balloons float? Why does sound travel faster through helium? And how does all of that flip a normal voice into instant chipmunk mode? Plus we find out about a super-heavy gas that does the exact opposite... making voices go deep and booming. What you'll learn: Helium is less dense than air... that's why balloons float Your vocal cords and throat work together to shape sound Sound travels faster through helium, which shifts the way your voice sounds Your brain hears those shifted sounds as higher and squeakier Scientists call the frequencies that shape your voice formants... helium scrambles them Key Science Ideas: states of matter, density, vocal cords, resonance, formants. Fun Experiment: Hum \"mmmm\" with your mouth closed then slowly open it wider. Hear the change? That's resonance in action... same science, no gas required. Why Though? The show for little scientists who love asking big questions. Follow or subscribe so you never miss an episode. Follow Dr Matt Agnew: Instagram: instagram.com/drmattagnew TikTok: tiktok.com/@drmattagnew YouTube: youtube.com/@whythoughpod Website: drmattagnew.com Find Why Though? podcast across the internet and share with your friends! Instagram: instagram.com/whythoughpod TikTok: tiktok.com/@whythoughpod Facebook: facebook.com/whythoughpod Hosted on Acast. See acast.com/privacy for more information.","meta_description":"Ever heard someone talk after a helium balloon and suddenly sound like a tiny squeaky mouse? There's real science behind it... and it's weirder than you t…","key_points":[],"chapters":[],"topics":[],"duration_seconds":272,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/why-though-with-dr-matt-agnew-7777450/episodes/why-does-helium-make-our-voice-sound-funny/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/why-though-with-dr-matt-agnew-7777450/why-does-helium-make-our-voice-sound-funny.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}