Thomas Bauska @tinyicybubbles.bsky.social · 11/09/2026🇬🇧: The data begin to look a tad squiffy. 🇺🇸 (me): Yeah, they get super janky there. 🇩🇪: I am not following. Can you please state the accuracy and precision during the interval we are discussing? 030
Thomas Bauska @tinyicybubbles.bsky.social · 11/08/2026Slowly but surely accumulating supervisor papers (and coffee mugs). Latest is here: cp.copernicus.org/articles/22/... 0101
Thomas Bauska @tinyicybubbles.bsky.social · 30/07/2026On the flip side, this was me opening up those old boxes today...static.klipy.comJohn C Reilly Steve BruleALT: John C Reilly Steve Brule 040
Thomas Bauska @tinyicybubbles.bsky.social · 27/07/2026What a time to be alive. www.bbc.co.uk/news/article...bbc.co.ukJodrell Bank's Lovell telescope faces axe in science cuts, BBC understandsAstronomers warn it would tear the heart out of UK science, and leave a generation untrained. 110
Thomas Bauska @tinyicybubbles.bsky.social · 17/07/2026View from outside the Bern ice core gas lab. View from outside the BAS ice core gas lab. 160
Thomas Bauska @tinyicybubbles.bsky.social · 07/07/2026Getting one child ready in the morning = deterministic chaos. Getting two children ready in the morning = purely stochastic. 160
Thomas Bauska @tinyicybubbles.bsky.social · 02/07/2026Dang. Title for my autobiography has already been taken. 040
Reposted by Thomas BauskaBob Hilton @profbobhilton.bsky.social · 22/06/2026New Job! Please RP! 2 year Postdoctoral Research Associate in #Biogeochemistry in Oxford @oxfordgeography.bsky.social using novel methods to explore organic matter stability and new proxies of rock #weathering &wider team in Southampton. Any Qs let me know 🧪🥼⚒️ my.corehr.com/pls/uoxrecru... 02627
Thomas Bauska @tinyicybubbles.bsky.social · 16/06/2026My personal take-home: always test the "null" hypothesis when it comes to palaeoclimate. Eric Mei, @bayesicallyalex.bsky.social, @cristiproist.bsky.social, et al., www.pnas.org/doi/10.1073/... Fun times working with Eric on this as part of @fetch4.bsky.socialpnas.orgMultidecadal preindustrial methane variability can be explained by noise in the source–sink imbalance | PNASIce core records of preindustrial methane indicate variability of ±30 ppb (±5%) on multidecadal-to-centennial timescales. Previous work has attribu... 23412
Reposted by Thomas BauskaNick Golledge @nick-golledge.bsky.social · 05/06/2026Just out in @natgeosci.nature.com we use ice sheet modeling to identify & characterize behavioral regimes, & the nature of ice sheet regime shifts. We do this using the Shannon entropy signature of mass loss, and find evidence of bistability under high, but not low, entropy regimes. rdcu.be/fmIe1rdcu.beIce-sheet regime shifts with climate warmingNature Geoscience - Ice sheets are steady in cold climates, become unstable as warming weakens ice shelves, then restabilize at higher temperatures. Model simulations suggest sudden shifts between... 0115
Thomas Bauska @tinyicybubbles.bsky.social · 04/06/2026The combined pride and dread you get when someone says "oh, I was just reading your thesis" 😊😨😊😨😊😨😊😨😊😨😊😨 020
Reposted by Thomas BauskaNature Geoscience @natgeosci.nature.com · 25/05/2026⚒️ Article: Dust records from an Allan Hills ice core indicate the Ross Sea was likely open through the peak of the Last Interglacial, coincident with a smaller West Antarctic Ice Sheet @lamont.columbia.edu www.nature.com/articles/s41...nature.comDiminished Ross Ice Shelf and West Antarctic Ice Sheet during Last Interglacial warming - Nature GeoscienceDust derived from Antarctic sources measured in an ice core from the Allan Hills spanning the peak of the Last Interglacial suggests that the Ross Sea was probably open at the time, coincident with a ... 21710
Thomas Bauska @tinyicybubbles.bsky.social · 02/06/2026Old ice cores never die, they just sublimate away. icecores.org/inventory/de...icecores.orgDeaccessed Cores | NSF Ice Core FacilityThe National Science Foundation Ice Core Facility (NSF-ICF) — formerly the U.S. National Ice Core Laboratory (NICL) — is a facility for storing, curating, and studying meteoric ice cores recovered fro... 052
Thomas Bauska @tinyicybubbles.bsky.social · 01/06/2026Nice one! Almost like the authors made me a mixtape of my favourite topics. -CO2 across the MPT -Long-term changes in the Antarctic Ice Sheet -Grounding line controls BONUS: Transects of Filchner-Ronne in the SI that cross Berkner Island. www.nature.com/articles/s41...nature.comIncreased sensitivity of the Antarctic Ice Sheet to decreasing CO2 across the Mid-Pleistocene Transition - Nature GeoscienceA transient ice sheet model simulation of the past 3 million years suggests that the Antarctic Ice Sheet became more sensitive to decreasing CO2 levels following the Mid-Pleistocene Transition, driven... 082
Reposted by Thomas BauskaProceedings of the National Academy of Sciences @pnas.org · 16/05/2026Ice core water-isotope records from eight locations in Antarctica spanning 400,000 years show that the warmest parts of the continent have had the most temperature variability. In PNAS: ow.ly/OmwB50YZOhp 0187
Thomas Bauska @tinyicybubbles.bsky.social · 19/05/2026Writing a conference abstract titled “Towards a(n)…” is the academic equivalent of manifesting. 141
Thomas Bauska @tinyicybubbles.bsky.social · 17/05/2026So many gems. onlinelibrary.wiley.com/doi/10.1111/... “The manner of geologist movie deaths: Category 2: Work related. Typical examples are being hit by a volcanic bomb, falling into a crater or an opening fault, drowning in quicksand or lahar, and incineration in an oil pit. Grim stuff.”onlinelibrary.wiley.comGeologists on the silver screen—the sequelAs geologists, our interest is piqued when geological processes—with varying degrees of accuracy—are portrayed in movies and especially when a geologist unexpectedly appears on screen, even in a mino... 0112
Thomas Bauska @tinyicybubbles.bsky.social · 08/05/2026*checks supplementary information for age model uncertainty* 040
Thomas Bauska @tinyicybubbles.bsky.social · 06/05/2026All the new ice core data at #EGU26 is pretty cool, I guess. But nothing can top seeing this alongside a poster in Interdisciplinary Tree-Ring Research 190
Reposted by Thomas BauskaLegraLeGra @atthenius.bsky.social · 29/04/2026I swore to support & defend the Constitution of the United States. But I've spent the last two weeks in purgatory on "administrative leave for investigative purposes" while NASA pondered me speaking in my personal capacity. I'm back tomorrow. firstamendment.mtsu.edu/article/pick...firstamendment.mtsu.eduPickering v. Board of Education (1968)Pickering v. Board of Education (1968), the seminal case on public employees' First Amendment rights, said they do not give up their right to speak on matters of public importance. 064
Reposted by Thomas BauskaAustralian Antarctic Program Partnership @antarctic.bsky.social · 29/04/2026The MYIC @millionyearice.bsky.social project by the Australian Antarctic Program is drilling an ice core to 3,000 metres depth in three-metre segments, and returning the cores in pristine condition to Hobart, Tasmania. Why? And how? Find out at aapp.shorthandstories.com/the-memory-of-ice 11610
Thomas Bauska @tinyicybubbles.bsky.social · 21/04/2026The frequently used symbols of an isotope geochemist who can't decide what delta form to use. 2191
Thomas Bauska @tinyicybubbles.bsky.social · 11/04/2026Validated. www.science.org/content/arti...science.orgThese may be the world's first images of dogs—and they're wearing leashesSaudi find may reveal how humans harnessed early dogs to survive 030
Thomas Bauska @tinyicybubbles.bsky.social · 25/03/2026My pet theory: Europe warmed up enough in the Bølling–Allerød that it was finally time to go for walkies. 050
Thomas Bauska @tinyicybubbles.bsky.social · 24/03/2026If this is your scene*, maybe this job is for you? Three-year PDRA in ice core gases at @cambridge-earthsci.bsky.social www.cam.ac.uk/jobs/researc... *Scenes from the Beyond EPICA gas analysis in Copenhagen. 1109
Reposted by Thomas BauskaNature @nature.com · 23/03/2026Nature research paper: Broadly stable atmospheric CO2 and CH4 levels over the past 3 million years go.nature.com/4bl7uIZgo.nature.comBroadly stable atmospheric CO2 and CH4 levels over the past 3 million years - NatureBlue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years. 0183
Thomas Bauska @tinyicybubbles.bsky.social · 17/03/2026I have a joke about the Mid-Pleistocene Transition but the pacing is all wrong. 040
Thomas Bauska @tinyicybubbles.bsky.social · 22/02/2026Legendary. Gwyneth W. Gordon, Carbon isotope evaluation of the claims in MillerCoors vs Anheuser-Busch doi.org/10.1016/j.fo.... 051
Thomas Bauska @tinyicybubbles.bsky.social · 19/02/2026The most popular core to study on paleoclimate Bluesky 010
Thomas Bauska @tinyicybubbles.bsky.social · 09/02/2026👏 Heroic effort to extract a H₂ record from ice cores 👏 The samples had to measured in the field immediately after drilling (i.e. fresh out the oven 🥮) to prevent the tiny H₂ molecules from leaking out. www.nature.com/articles/s41...nature.comAtmospheric H2 variability over the past 1,100 years - NatureAnalysis of the atmospheric H2 variability over the past millennium suggests that the sensitivity of H2 to climate change should be considered in estimates of the radiative consequences of rising... 01712
Thomas Bauska @tinyicybubbles.bsky.social · 01/02/2026I learned a lot from the UChicago Core Curriculum. The most important lesson was that I wanted to do Earth Sciences. -Readings in World Literature -Self, Culture and Society -Vienna in Western Civilisation -Music Materials and Design -Animal Sensory Ecology (wrote about Trilobite eyes 👁️💠!) 170
Thomas Bauska @tinyicybubbles.bsky.social · 08/01/2026One week until #EGU26 abstracts are due! CL1.2.8 - "Beyond EPICA: old ice and the MPT" looks like it may be the greatest session of the last 1.2 million years (or so). Will the big❓be filled in with new ice core data? www.egu26.eu/session/56601 081
Reposted by Thomas BauskaScience Magazine @science.org · 30/12/2025A study in Science reveals an extensive precolonial agricultural landscape in Michigan’s Upper Peninsula, suggesting Indigenous American communities cultivated maize intensively between 1000 and 1600 CE, despite a cold climate and marginal growing conditions. scim.ag/49voBGO scim.agArchaeological evidence of intensive indigenous farming in Michigan’s Upper Peninsula, USAWe describe archaeological evidence of intensive ancestral Native American agriculture in the now heavily forested Upper Peninsula of Michigan. Recent LIDAR (light detection and ranging) and excavatio... 010935
Reposted by Thomas BauskaJed O. Kaplan @jedokaplan.bsky.social · 18/12/2025I've updated the opportunities part of my website with fresh openings for researchers interested in climate and vegetation science, archaeology, history, and geography at all levels from undergraduate intern to postdoc. Take a look! jedokaplan.github.io/opportunities/jedokaplan.github.ioWork with me! 1910
Thomas Bauska @tinyicybubbles.bsky.social · 13/12/2025The idea that the Plutonium 238 could have moled its way into a glacier is mind-boggling (and not in a good way). www.nytimes.com/interactive/...nytimes.comHow Did the C.I.A. Lose a Nuclear Device in the Himalayas? (Gift Article)A plutonium-packed generator disappeared on one of the world’s highest mountains in a covert mission that the U.S. will not talk about. 020
Reposted by Thomas BauskaBen Riddell-Young @benryoung.bsky.social · 09/12/2025Excited to share our new PNAS paper! We find that recent methane growth was driven by agriculture/waste and wetland emissions, while fossil fuel emissions have remained stable despite growth in production, highlighting recent progress and further mitigation potential. www.pnas.org/doi/abs/10.1... 1198
Thomas Bauska @tinyicybubbles.bsky.social · 04/12/2025TIL: Someone found piece of the asteroid that killed the dinosaurs in a sediment core from the middle of the Pacific Ocean. Kyte, F. A meteorite from the Cretaceous/Tertiary boundary. Nature 396, 237–239 (1998). doi.org/10.1038/24322 🌠💥💣doi.orgA meteorite from the Cretaceous/Tertiary boundary - NatureNature - A meteorite from the Cretaceous/Tertiary boundary 0607
Reposted by Thomas BauskaUniversity of Cambridge @cam.ac.uk · 19/11/2025Cambridge researchers have uncovered the earliest evidence of ‘animal GPS’ in tiny magnetic fossils from 97 million years ago. What left them behind? And what insights can they shed? Dig in: bit.ly/3LQxykH @cambridge-earthsci.bsky.social @stcatharines.bsky.social @gfz.bsky.social 🧪bit.lyAncient ‘animal GPS’ identified in magnetic fossilsThe earliest evidence of an internal ‘GPS’ system in an animal has been identified by researchers, which could help explain how some modern birds and fish 0105
Thomas Bauska @tinyicybubbles.bsky.social · 27/11/2025Field update from Beyond EPICA: "The camera's light reflected off the myriad of fine ice particulates suspended in the fluid, causing flashes of light and colour that danced and reformed, giving the impression of travelling through a cosmic kaleidoscope" in other words... youtu.be/ozhR9fxe1oU?...youtu.beDOUBLE RAINBOW OH MY GOD! 2001 EDITION!YouTube video by Disasteradio 121
Reposted by Thomas BauskaMillion Year Ice Core Project @millionyearice.bsky.social · 16/11/2025Touchdown on ice.. three MYIC science and drilling team members arrived to Casey Station yesterday after ride in the big jet with other incoming Casey Station crew. Thanks ADF! #AusAntarctic 📸 JP 1194
Thomas Bauska @tinyicybubbles.bsky.social · 11/11/2025A magical record! Now 3,000,000 years long! Repost this quote and see if it increases by another order of magnitude. 2204
Thomas Bauska @tinyicybubbles.bsky.social · 04/11/2025Phase Angle? Most mornings mine would look like benthic δ¹⁸O and obliquity. 030
Reposted by Thomas BauskaMillion Year Ice Core Project @millionyearice.bsky.social · 31/10/2025While the field teams are already in action, preparing to traverse to the drill site, things in the MYIC labs are moving forward. Daniel and Andy made the first serious gas sublimation measurement using our system with some known-composition Law Dome core. 📷 Joel Pedro 094
Thomas Bauska @tinyicybubbles.bsky.social · 30/10/2025When you first read the title of this paper... Shackleton et al., Miocene and Pliocene ice and air from the Allan Hills blue ice area, East Antarctica, PNAS doi.org/10.1073/pnas... (2025). 291