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Disproportionation in the Johnston Lab
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         Disproportionation

Our Lab is committed to fostering an inclusive environment that strives to ensure the success of under-represented students in the geosciences. Our focus is on equity and to provide the unique support and guidance required for all students to feel welcome and valued within our group, the Earth and Planetary Sciences Department, and at Harvard University. We also recognize that our lab facilities - and Harvard University - sit on the land of the Massachusett, Wampanoag, and Nipmuc people. Further, we conduct ourselves following a shared set of expectations to best promote a safe and productive workplace.

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Video: The Rise of Oxygen

The Rise of Oxygen

Recent Publications

Thallium isotope ratios in shales from South China and northwestern Canada suggest widespread O2 accumulation in marine bottom waters was an uncommon occurrence during the Ediacaran Period

Ostrander, C. M., Owens, J. D., Nielsen, S. G., Lyons, T. W., Shu, Y., Chen, X., Sperling, E. A., et al. (2020). Thallium isotope ratios in shales from South China and northwestern Canada suggest widespread O2 accumulation in marine bottom waters was an uncommon occurrence during the Ediacaran Period. Chemical Geology , 557 (119856).
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