Publications by authors named "Grethe Hystad"

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Organic geochemical evidence for life in Archean rocks identified by pyrolysis-GC-MS and supervised machine learning.
Michael L Wong, Anirudh Prabhu, Conel O'D Alexander, H James Cleaves, George D Cody, Grethe Hystad

Proc Natl Acad Sci U S A· November 2025

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A robust, agnostic molecular biosignature based on machine learning.
H James Cleaves, Grethe Hystad, Anirudh Prabhu, Michael L Wong, George D Cody

Proc Natl Acad Sci U S A· October 2023

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Evidence for the oxidation of Earth's crust from the evolution of manganese minerals.
Daniel R Hummer, Joshua J Golden, Grethe Hystad, Robert T Downs, Ahmed Eleish

Nat Commun· February 2022

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Cluster Analysis of Presolar Silicon Carbide Grains: Evaluation of Their Classification and Astrophysical Implications.
Asmaa Boujibar, Samantha Howell, Shuang Zhang, Grethe Hystad, Anirudh Prabhu

Astrophys J Lett· February 2021

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