How does size shape our understanding of and search for life? #020 with Chris Kempes

What this episode covers

Chris Kempes is a professor at the Santa Fe Institute. He is a mathematical biologist, who works on scaling laws, and is ultimately interested in where those scaling laws break down. What are their limits? What is the physiological constraint for life on earth? How small can life be? How big? How might that constraint change in other environments? He recently published a paper, along with David Krakauer, titled “The Multiple paths to Multiple Life” that attempts to reconfigure how we think about life forms, and life origins events. We discuss this provocative proposal at length, along with the scaling research I just described, before we shift to our venture into the Zone to pursue a totally disgusting but revelatory artifact, if we can even call it that. For more context on themes described in this episode, you might revisit past interviews with Nina Lanza who is seeking signs of life on Mars, Michael Lachmann who talks origins of life in general, Cole Mathis and his work on Assembly Theory, and our last interview with Heather Graham who worked on assembly theory as well as a stoichiometric approach to life detection in a paper she co-authored with Chris.

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