Physics of Life, Ep 6: Multiple worlds, containing multitudes

Guests: 

• Heather Graham, Research Associate at NASA Goddard Space Flight Center

Hosts: Abha Eli Phoboo & Chris Kempes

Producer: Katherine Moncure

Podcast theme music by: Mitch Mignano

Additional sound credits: Digifish music; “Determination of Azimuth,” written by Heather Graham, staged at the Baltimore Rock Opera Society

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More info:

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SFI programs: Education

• Complexity Explorer:  Origins of Life: Introduction| Chris Kempes (Link to full playlist)
• Enroll for the course: Origins of Life

Videos:

• Asteroids, Agnostic Biosignatures, & Experimental Rock Opera with Dr. Heather Graham
• Heather Graham on Katherine Johnson

Papers & Articles:

• “Investigating the impact of x‐ray computed tomography imaging on soluble organic matter in the Murchison meteorite: Implications for Bennu sample analyses” in Meteoritics & Planetary Science (December 2023), doi.org/10.1111/maps.14111
• “The Vacant Niche Revisited: Using Negative Results to Refine the Limits of Habitability,” in bioRxiv (Nov 8, 2023), doi.org/10.1101/2023.11.06.565904
• “Observations of Elemental Composition of Enceladus Consistent with Generalized Models of Theoretical Ecosystems,” in bioRxiv (Oct 29, 2023), doi.org/10.1101/2023.10.29.564608
• “Planetary Subsurface Science and Exploration: An Integrated Consortium to Understand Subsurface Sources of Energy and the Unique Energetics of Subsurface Life,” in Mars Extant Life: What’s Next? (Nov 2019), hou.usra.edu/meetings/lifeonmars2019/pdf/5047.pdf
• “Detecting life on Earth and the limits of analogy,” in Planetary Astrobiology (June 16, 2020)
• “Identifying molecules as biosignatures with assembly theory and mass spectrometry,” in chemRxiv (Nov 16, 202), chemrxiv.org/engage/api-gateway/chemrxiv/assets/orp/resource/item/60c751e59abda27c1af8dce4/original/identifying-molecules-as-biosignatures-with-assembly-theory-and-mass-spectrometry.pdf
• “The Grayness of the Origin of Life,” in Life (May 29, 2021) doi.org/10.3390/life11060498
• “Generalized stoichiometry and biogeochemistry for astrobiological applications,” in Bulletin of Mathematical Biology (July 2021), link.springer.com/article/10.1007/s11538-021-00877-5