Ancient Earth with Amanda Calhoun, PhD Candidate

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