# ELI5 Carbonated Water  - why does flat soda still taste like soda?

Page: https://stenobird.com/podcast/eli5-explain-like-i-m-5-bite-sized-answers-to-stuff-you-should-know-about-in-a-mini-podcast-484092/eli5-carbonated-water-why-does-flat-soda-still-taste-like-soda
Text version: https://stenobird.com/podcast/eli5-explain-like-i-m-5-bite-sized-answers-to-stuff-you-should-know-about-in-a-mini-podcast-484092/eli5-carbonated-water-why-does-flat-soda-still-taste-like-soda.md
Podcast: [ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast](https://stenobird.com/podcast/eli5-explain-like-i-m-5-bite-sized-answers-to-stuff-you-should-know-about-in-a-mini-podcast-484092)
Published: 2026-05-26T10:47:00+00:00
Episode link: https://prefix.up.audio/s/pscrb.fm/rss/p/op3.dev/e/traffic.megaphone.fm/ATHLLC2200496920.mp3
Audio file: https://prefix.up.audio/s/pscrb.fm/rss/p/op3.dev/e/traffic.megaphone.fm/ATHLLC2200496920.mp3
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JSON: https://stenobird.com/v1/public/podcasts/eli5-explain-like-i-m-5-bite-sized-answers-to-stuff-you-should-know-about-in-a-mini-podcast-484092/episodes/eli5-carbonated-water-why-does-flat-soda-still-taste-like-soda
Duration seconds: 494

## Resource

Why do soft drinks exclusively use carbon dioxide instead of gases like oxygen or nitrogen? Why does "flat" soda still have a distinct taste compared to regular tap water? Why does Perrier extract natural gas from its spring water only to pump it back in later? Does the carbonation in sparkling water affect your body’s hydration differently than drinking regular water? Why do smaller bottles of sparkling water go flat significantly faster than larger two-liter bottles? ... we explain like I'm five Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: uniqueusername3171, irteris, daneilthemule, ggd_x, omega_weapon85, plsdntdwnvote, melange_powered and malvoliosf To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

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