Ancient Earth with Amanda Calhoun, PhD Candidate
Apr 28, 2025•25 min
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Episode description
In this episode, I host Amanda Calhoun, PhD candidate in the Earth and Planetary Sciences program at Harvard! In one project, Amanda uses carbon isotopes to uncover signs of ancient life. In another project, Amanda uses pyrite (fool’s gold!) to understand Earth’s oxygen history.
Listen to hear about the history of both our atmosphere and life itself!
00:00 Intro and Overview
02:46 Research Projects Explained
05:41 Fieldwork and Sample Collection
12:35 Goals & Implications of projects
15:27 Origins of Life, Applications, and Environmental Impact
21:04 Conclusion and Final Thoughts
Music: 368 by Dyalla
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