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