4.5 Gyr ab orbe condita | assistant professor of paleo-bio-geo-chemistry @DukeU

Joined September 2019
Thrilled to share our work is on the cover of Science Advances! From finding the fossil with my father in 2021 to countless hours across synchrotrons worldwide. Huge thanks to @JolfRocks, Nathaly Archilha, Miguel Basei, and @InvertebratePal! science.org/doi/10.1126/scia…
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Come join us in Raleigh this December for a workshop on ocean anoxic events! We will aim to synthesize observational constraints and driving mechanisms of ocean oxygen levels through time. Abstracts due October 1st.
📢The 2nd @po2_sm_pages workshop will be taking place from 10–12 Dec '25 in Raleigh, NC, USA on “Notable Hypoxic Events of the Geologic Past”. Registration will open in summer 2025. 📌Details will be available on the workshop website: po2workshop.com/
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About 390 million years ago, rising deep-ocean oxygen levels opened new marine habitats. New research suggests this shift sparked an evolutionary burst among jawed fish — the ancestors of most vertebrates alive today. nicholas.duke.edu/news/risin…
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𝗝𝗼𝗶𝗻 𝘂𝘀 𝗝𝘂𝗹𝘆 𝟵 𝗮𝘁 #𝗚𝗼𝗹𝗱𝘀𝗰𝗵𝗺𝗶𝗱𝘁2025 𝗳𝗼𝗿 𝗮 𝗰𝗮𝘁𝗲𝗿𝗲𝗱 𝗹𝘂𝗻𝗰𝗵𝗲𝗼𝗻 𝗵𝗼𝘀𝘁𝗲𝗱 𝗯𝘆 𝗘𝗦𝗜 — Great food and conversation that aims to improve your workflow for Geochem analysis through automation! 📅 Register: lnkd.in/g6-SMaYR
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Reference hallucination rates have improved considerably
One way to spot ChatGPT-generated manuscripts (for now): non-existent references Some worse than others, ranging from fully correct to just a wrong date to a random (but real-sounding) mash up of authors, titles, and journals Caveat lector
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Michael Kipp retweeted
Please share! Our lab is recruiting PhD students and/or postdocs for Fall 2025. Projects may include a combination of fieldwork, isotope geochemistry, and modeling. Reach out to discuss if interested!
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Please share! Our lab is recruiting PhD students and/or postdocs for Fall 2025. Projects may include a combination of fieldwork, isotope geochemistry, and modeling. Reach out to discuss if interested!
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Had a fun chat with @j_tibs on Due South @wunc today. We discussed our lab’s research on ocean oxygen depletion during past global warming events & what it can tell us about the future.
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This is the paper that prompted the conversation. A recent collaboration with @MarianoRemirez and @GilleaudeauLab pnas.org/doi/abs/10.1073/pna…
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Michael Kipp retweeted
Our @NASAPersevere Mars rover has found an interesting rock that could be one of the best signs yet that ancient microbial life may have once existed on the Red Planet. However, we'll need to do more research to know for sure: go.nasa.gov/3zZhsiX
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