
Physics of Life, Ep 6: Multiple worlds, containing multitudes
About this episode
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
Follow us on:
Twitter • YouTube • Facebook • Instagram • LinkedIn • Bluesky
More info:
Apply for the 2024 Complexity Global School at Universidad de los Andes in Bogotá, Colombia
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
Get every episode summarized
Each time COMPLEXITY publishes, we email you a written briefing from the transcript — the topics, who appeared, and any specific claims, with the ad reads skipped.
Email me new episodesFree for 3 shows. No card needed.
Hosts & guests
No transcript yet
This episode has not been transcribed. Request it and it moves to the front of the queue.
More episodes
More from COMPLEXITY

Nature of Intelligence, Ep. 6: AI’s changing seasons
COMPLEXITY

Nature of Intelligence, Ep. 5: How do we assess intelligence?
COMPLEXITY

Nature of Intelligence, Ep. 4: Babies vs Machines
COMPLEXITY

Nature of Intelligence, Ep. 3: What kind of intelligence is an LLM?
COMPLEXITY