# #22 Sara Walker - Origin of Life, Assembly Theory, Biosignatures

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Text version: https://stenobird.com/podcast/cool-worlds-podcast-6424163/22-sara-walker-origin-of-life-assembly-theory-biosignatures.md
Podcast: [Cool Worlds Podcast](https://stenobird.com/podcast/cool-worlds-podcast-6424163)
Published: 2025-05-18T19:12:00+00:00
Episode link: https://coolworldslab.podbean.com/e/22-sara-walker-origin-of-life-assembly-theory-biosignatures/
Audio file: https://mcdn.podbean.com/mf/web/g8m4p6vatawiiae2/22SaraWalker.mp3
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JSON: https://stenobird.com/v1/public/podcasts/cool-worlds-podcast-6424163/episodes/22-sara-walker-origin-of-life-assembly-theory-biosignatures
Duration seconds: 4235

## Resource

In this week's episode, David is joined by Sara Imari Walker, Professor of Earth & Space Exploration at the Arizona State University. Prof Walker has spent the last few years developing a new concept in astrobiology known as assembly theory, which we explore in this episode. To support this podcast and our research lab, head to https://coolworldslab.com/support Cool Worlds Podcast Theme by Hill [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK]

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## Transcript

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