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Adam "Ben" Rohrlach

@brohrlach.bsky.social
96 followers 71 following 42 posts

Australian mathematician/statistician living in Leipzig, but working in ancient DNA research at the MPI-EVA. It's always beer o'clock somewhere. Personal homepage: ben-rohrlach.owlstown.net

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Reposted by Adam "Ben" Rohrlach
Selina Carlhoff @selinacarlhoff.bsky.social · 19/08/2026
New publication alert 🚨 Check out our new study describing ancient genomes from Vanuatu, Fiji, Tonga and the Solomon Islands to better understand social structure and mobility patterns of groups with Austronesian and Papuan ancestry in Remote Oceania! 🌊
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 05/08/2026
Public forum with leading scientists at #paleopathology2026. What can the past, through archaeological remains, tell us about the future?
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 02/07/2026
I can only recommend publishing in GENETICS. A wonderful editorial experience, and a career highlight. #GENETICS #ancientDNA
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 27/06/2026
I had a great time chatting about all things ancient DNA, maths and networks on the @therandomsample.bsky.social The Random Sample podcast with Jonathan Tuke and Haripriya Sridharan. If you're interested, listen to the podcast wherever you normally do, or via this link: lnkd.in/gYXZQtB5
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 05/06/2026
I want to contribute to science through peer review, and I regularly do. But having just received a request to review a very technical paper, from a reputable journal, but with a 10-day due date, I had to refuse. Nobody with a full-time job can properly review a paper in that time frame.
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Reposted by Adam "Ben" Rohrlach
Dr Edward Hill @edmhill.bsky.social · 31/03/2026
1/❓ Interested in mathematical modelling of behaviour with applications to infectious disease outbreaks or energy systems? #IDsky 🧪 📣 Registration now open for three events during Jul & Aug 2026 at the University of Nottingham. 🙏 Supported by the Isaac Newton Institute for Mathematical Sciences.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 19/05/2026
As a statistician, publishing in @significancemag.bsky.social is a career highlight, and I still got to write about ancient DNA. See our article on using network regression to explore relatedness and kinship in ancient cemeteries! doi.org/10.1093/jrss...
doi.org
What three Austrian cemeteries reveal about medieval marriage and family
Abstract. Adam B. Rohrlach and Jonathan Tuke use ancient DNA and network regression to explore the cultural practices of our human past
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Reposted by Adam "Ben" Rohrlach
Genetics Society of America @genetics-gsa.bsky.social · 06/05/2026
What does ancient DNA reveal about biological kinships? Read this exciting study in #GENETICS that used Exponential Random Graph models for correlates of relatedness, identifying evidence for female exogamy and the existence of an elite class in ancient Avar. buff.ly/aSPLOTg @brohrlach.bsky.social
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 04/05/2026
Are you screening your ancient DNA study for chromosomal aneuploidies? Or looking for a new way to call genetic sex? Regardless of sequencing data type? Our Bayesian method (implemented in R as RChASM) has now been published in Bioinformatics: doi.org/10.1093/bioi...
Diagnostic plot for aneuploidy assignment in RChASM.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 15/04/2026
Are you interested in doing a PhD in ancient human genetics, focusing on the Y and MT haplogroups of Finland? Working with Dr Ronan O'Sullivan, Prof. Päivi Onkamo and me, which is a team I'm looking forward to working in. Based in Turku, Finland. ats.talentadore.com/apply/doctor...
ats.talentadore.com
Doctoral researcher/project researcher in archaeogenomics
The Faculty of Science at the University of Turku, Department of Biology, invites applications for a contract-based, fixed term doctoral researcher/project researcher position in archaeogenomics. The ...
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 17/03/2026
I cannot wait to vote out any Australian politician who gets us involved in helping the US in this war. No big speech. I just hope other Australians will agree. @albomp.bsky.social
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 05/03/2026
Want to check your ancient DNA study for chromosomal aneuploidies? RChASM is now available for R, to screen for autosomal and sex chromosomal aneuploidies, such as Down syndrome on data from 0.0014X coverage. We also wrote a step-by-step tutorial with examples: jonotuke.github.io/RChASM/artic...
jonotuke.github.io
Example ChASM Analysis Using Example Data
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 03/03/2026
Excited to share our study in GENETICS on exploring biological kinship in ancient DNA data sets (doi.org/10.1093/gene...). Using ERGMs to find variables that correlate with relatedness, and applied to 6th-9th century Avar, we find evidence for female exogamy and the existence of an elite class.
doi.org
Detecting and Quantifying Networks of Biological Kinship via Exponential Family Random Graph Models
Abstract. Genetic relatedness between ancient humans can help to identify close and distant connections between groups and populations, uncovering signatur
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Reposted by Adam "Ben" Rohrlach
Eleftheria Orfanou @elorfanou.bsky.social · 02/03/2026
www.nature.com/articles/s41...
nature.com
Reconstruction of the lifeways of Central European Late Bronze Age communities using ancient DNA, isotope and osteoarchaeological analyses - Nature Communications
Biomolecular insights into significant cultural changes during the Central European Late Bronze Age (1300–800 BCE) have been limited by cremation. Here, the authors examine available inhumation burial...
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Reposted by Adam "Ben" Rohrlach
stephanepeyregne.bsky.social @stephanepeyregne.bsky.social · 31/12/2025
📢 We're hiring a postdoc (33 months) in human evolutionary genomics / paleogenomics / statistical genetics, Paris 🇫🇷 Project on selection on disease-associated variants, integrating ancient genomes, GWAS, and Ancestral Rec. Graphs. Start May 2026 (flexible). Apply here: emploi.cnrs.fr/Offres/CDD/U...
emploi.cnrs.fr
Portail Emploi CNRS - Offre d'emploi - Postdoc in human evolutionary genetics and bioinformatics (M/F)
Assurez-vous que votre profil candidat soit correctement renseigné avant de postuler
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 23/11/2025
Check out a pre-proof of a really fun study that Denice Higgins and I had accepted in Forensic Science International. We showed that using just the pattern of absence/presence of teeth could be useful (or to support) forensic identification. www.sciencedirect.com/science/arti...
sciencedirect.com
Evidentiary value of tooth presence/absence patterns for human identification
Human identification through comparison of dental records is a well-established and widely accepted forensic method, particularly valuable in mass cas…
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 17/11/2025
I had a great time contributing a new approach to estimating demography by considering the number of observed cases of Down and Edwards syndromes, compared to what might be expected. I also got to work with some friends/colleagues that I couldn't like or respect more. doi.org/10.59641/m3p...
doi.org
A Social Archaeology of Kinship in Iberia and Beyond @ Sidestone Press
The study of kinship from archaeology has been fluctuating. At the end of the 20th century archaeologists were reluctant or skeptical about its relevance and viability. However, in recent decades it h...
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Reposted by Adam "Ben" Rohrlach
Pontus Skoglund @pontus-skoglund.bsky.social · 14/11/2025
As I told the CNN, without details and data it is not possible to assess the claims. More importantly, the scientific value of this media campaign, balanced against the possible stigmatization of individuals with these real conditions today, is highly questionable. edition.cnn.com/2025/11/13/s...
edition.cnn.com
Researchers say they have verified and sequenced Hitler’s DNA – and found a genetic disorder | CNN
Analysis of Adolf Hitler’s DNA reveals he may have had a rare genetic disorder that can delay puberty.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 14/11/2025
Just catching Svante Pääbo, a Nobel laureate, give a talk. That's a cracking start to the day.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 14/11/2025
Wow, giving a talk at the Royal Society in London is such a thrill. I'm going to see so many amazing talks, and hopefully not take away from the overall quality with my own. Just an amazing place for science and history.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 10/11/2025
I cannot say this strongly enough, but to the scientific journals out there: please stop making AI assistants for reading papers the default.
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Reposted by Adam "Ben" Rohrlach
Xavier Roca-Rada, PhD @xavierrocarada.bsky.social · 03/09/2025
🇵🇹Our paper on Portugal's genetic history is now published in Genome Biology. We present Portugal’s largest ancient genome collection, with deeper analyses than our pre-print, revealing migrations, admixture & continuity shorturl.at/TcErC @acadresearch.bsky.social @dnatimetravel.bsky.social
shorturl.at
The genetic history of Portugal over the past 5,000 years - Genome Biology
Background Recent ancient DNA studies uncovering large-scale demographic events in Iberia have presented very limited data for Portugal, a country located at the westernmost edge of continental Eurasi...
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Reposted by Adam "Ben" Rohrlach
Václav Hrnčíř @vaclavhrncir.bsky.social · 15/07/2025
Our cross-cultural study on alcohol and its role in the rise of political complexity is finally published 🍻 🎉 (1/5) 🧪 #Alcohol #CulturalEvolution #CulturalComplexity www.nature.com/articles/s41...
nature.com
Did alcohol facilitate the evolution of complex societies? - Humanities and Social Sciences Communications
Humanities and Social Sciences Communications - Did alcohol facilitate the evolution of complex societies?
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 28/06/2025
Our paper showing the power of exponential random graph models (ERGMs) to analyse IBD networks is out. ERGMs perform "network regression" to find variables which predict connectedness, and quantify their effect. A huge thanks to my co-authors! www.biorxiv.org/content/10.1...
biorxiv.org
Detecting and Quantifying Networks of Biological Kinship via Exponential Family Random Graph Models
Genetic relatedness between ancient humans can help to identify close and distant connections between groups and populations, uncovering signatures of demographic histories such as identifying mating ...
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Reposted by Adam "Ben" Rohrlach
Marina Silva @marinasdsilva.bsky.social · 24/06/2025
🧬🧪🏺 Do you work on human #aDNA or #popgen? #HAAMcommunity is looking for new members for the steering committee. It's a great way to contribute to our field, network and lead exciting community projects. It's very rewarding and lots of fun! Feel free to reach out if you have any questions.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 23/06/2025
To be clear, I don't support the US strikes at all. The intelligence FROM THE US categorically denied that Iran were even close to nukes, and US leaders are prolific liars of the laziest kind. This reeks of Iraq and their phantom weapons of mass destruction. www.abc.net.au/news/2025-06...
abc.net.au
Australia backs US strikes on Iran while urging return to diplomacy
Anthony Albanese says action to prevent Iran from getting a nuclear weapon was acceptable, but that talks should now resume.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 13/06/2025
The start of the Kiel Conference on Wealth and Inequality in the human past. Let's go.
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MPI-EVA Leipzig @mpi-eva-leipzig.bsky.social · 04/06/2025
Alte #DNA enthüllt Papua-Neuguineas genetische Vergangenheit. Neue Studie von einem intl. Team um Kathrin Nägele @mpi-eva-leipzig.bsky.social zeigt die zentrale Bedeutung der regionalen Ausbreitung & lokalen Interaktionen an der Küste von #Papua-Neuguinea auf. #Genetik www.mpg.de/24827943/060...
mpg.de
Alte DNA enthüllt Papua-Neuguineas genetische Vergangenheit
Eine neue Studie zeigt die zentrale Bedeutung der regionalen Ausbreitung und lokalen Interaktionen an der Küste Papua-Neuguineas
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Reposted by Adam "Ben" Rohrlach
MPI-EVA Leipzig @mpi-eva-leipzig.bsky.social · 04/06/2025
Ancient #DNA reveals #Papua New Guinea's genetic past. Study @natecoevo.nature.com by an intl. team led by Kathrin Nägele @mpi-eva-leipzig.bsky.social shows the significance of regional dispersals & local interactions in coastal Papua New Guinea. tinyurl.com/2s3sc6ad & www.nature.com/articles/s41...
tinyurl.com
Papua New Guinea's Genetic Past Through Ancient DNA Analysis
A new study reveals the significance of regional dispersals and local interactions in coastal Papua New Guinea
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Tina Saupe @tinasaupe.bsky.social · 13/05/2025
🥳 We're back with a new edition of our HAAM-radio webinar series! Come and be part of the development from a reporting scheme for aDNA samples & seqdata! #aDNA #workshop #humanDNA #sequencing
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 13/05/2025
Today I married my best friend. I'm a lucky man.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 28/04/2025
Long after we first had the idea, BREADR has just been published in the Journal of Open Source Software (@joss-openjournals.bsky.social). A huge thanks to Jono Tuke, Divy Popli and Wolfgang Haak for the support. #ancientDNA #genetickinship doi.org/10.21105/jos...
doi.org
BREADR: An R Package for the Bayesian Estimation of Genetic Relatedness from Low-coverage Genotype Data
Rohrlach et al., (2025). BREADR: An R Package for the Bayesian Estimation of Genetic Relatedness from Low-coverage Genotype Data. Journal of Open Source Software, 10(108), 7916, https://doi.org/10.211...
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Reposted by Adam "Ben" Rohrlach
Journal of Open Source Software @joss-openjournals.bsky.social · 28/04/2025
Just published in JOSS: 'BREADR: An R Package for the Bayesian Estimation of Genetic Relatedness from Low-coverage Genotype Data' doi.org/10.21105/joss.07916
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Harald Ringbauer @hringbauer.bsky.social · 23/04/2025
Check out our ancient DNA paper on the maritime Punic civilization! 🦴🧬🌊 We find that their Levantine Phoenician cultural ancestors contributed surprisingly little ancestry to Punic sites in the central and western Mediterranean! (1/4) doi.org/10.1038/s415... #aDNA #PopGen #Punic #Phoenician
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 02/04/2025
You know, if we want to progress as a society and actually deal with issues like racism and inequality, here's my idea: Stop electing 80 year old conservatives to positions of power. Just stop.
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Reposted by Adam "Ben" Rohrlach
ANU NCIG (National Centre for Indigenous Genomics) @ncig2013.bsky.social · 01/04/2025
A new Aboriginal-led online genomics research course has launched in Australia! Designed to educate scientists on the cultural, ethical, and historical context of working with Aboriginal and Torres Strait Islander communities, this course is a game-changer for respectful research. lnkd.in/gH4GtaN3
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 20/03/2025
Absolutely floored that our study on ancient cases of Down and Edwards syndrome was in the top 10 downloaded papers for @naturecomms.bsky.social in 2024. I'm still so happy that people found our work as interesting as we did! www.nature.com/collections/... #downsyndrome #edwardssyndrome #trisomy
nature.com
Top 25 Life and Biological Sciences Articles of 2024
Browse the 25 most downloaded Nature Communications articles across life and biological sciences published in 2024
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 25/02/2025
Well, I had a blast! Thanks to ACAD for hosting me. And cheers to @dnatimetravel.bsky.social for the help and the morning tea. #BREADR #donutsforanhonestdayswork
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 17/02/2025
I'm giving a workshop this week on using our (low-coverage) genetic kinship estimator, BREADR, and was thinking about format. Out of interest, do you prefer: 1. An entry-level explanation of the theory. 2. Interactive demo with example data. 3. Help working on your data. 4. All of the above?
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 03/02/2025
Not to sound like a conspiracy theorist, but the fact that I can't easily choose to opt out of AI Overview from a google search means I'm not using google as a search engine anymore. After some 25 years of it being my default. Does this make me crazy? I just don't need AI in everything I do....
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 30/01/2025
If you're an academic looking to make a good personal website for your work, but want it to be easy, I reckon Owlstown was pretty good. I'd like to see it be used more, so here's a link to mine: ben-rohrlach.owlstown.net
ben-rohrlach.owlstown.net
Adam "Ben" Rohrlach
I am a researcher in the field of ancient DNA at the Max Planck Institute for Evolutionary Anthropology, but I also used to lecture statistics at the Univers...
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Reposted by Adam "Ben" Rohrlach
Ghent Archaeology Department / Archeologie Ugent @archeougent.bsky.social · 28/01/2025
Our department is looking for a professor in Northwest European Prehistory! Join the #prehistory research group! jobs.ugent.be/job/Ghent-Pr...
jobs.ugent.be
Professor in Northwest European Prehistory
Professor in Northwest European Prehistory
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 22/01/2025
Here's my idea for an app: The news, but it filters out anything to do with American politics or that unpleasant Musk fellow.
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 15/01/2025
New publication! I was lucky enough to be a part of the team that behind a study of the connections between several Avar cemeteries led by Ke Wang and Zuzana Hofmanová. My part was introducing a new way to analyse IBD networks in light of cultural and burial contexts. doi.org/10.1038/s415... #aDNA
doi.org
Ancient DNA reveals reproductive barrier despite shared Avar-period culture - Nature
Ancient genome-wide data of 722 individuals and interdisciplinary analysis of large seventh- to eighth-century ce neighbouring cemeteries near Vienna are used to address the impact of the encounter be...
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 15/01/2025
I don't know why, but deleting my Facebook profile felt particularly good. I might even start a new account just so that I can delete that one too.
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Reposted by Adam "Ben" Rohrlach
Andrew Curry @andrewcurry.com · 18/12/2024
It's a debate that's raged for more than 500 years: Where did syphilis, first reported in Europe in 1494, originate? DNA from ancient bones, analyzed by @jrockdrigo.bsky.social and colleagues, may help close the case. @science.org
science.org
Syphilis microbe circulated in the Americas thousands of years before European contact
But ancient DNA from bony lesions suggests original bacterial strains may not have spread sexually
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 09/12/2024
Living in Germany is great and everything, but it must be said that the average German WILL fight you, Rugby style, and step over your unconcious body to get onto a bus first. God help you and your offspring if they also see a free seat. #theresnoline #freeforall
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Harald Ringbauer @hringbauer.bsky.social · 03/12/2024
PhD opportunity in computational population genetics at @MPI_EVA_Leipzig: Join our fully funded project to develop IBD-segment tools, connecting high-quality genomes from 500 Black Death victims to modern Europeans. 🌍💻🧬 Please spread the word! 📢🙌 #aDNA #PopGen www.eva.mpg.de/de/karriere/...
Sketch of IBD segments linking Medieval genomes from the Black Death (1350 CE) to modern Europeans. Logo of ERC-funded research.
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Reposted by Adam "Ben" Rohrlach
Christina Warinner @christinawarinner.bsky.social · 02/12/2024
Really excited to share our collaborative work on the rise and transformation of Bronze Age pastoralists in the Caucasus! doi.org/10.1038/s415...
doi.org
The rise and transformation of Bronze Age pastoralists in the Caucasus - Nature
A study presents archaeogenomic data for 131 individuals from 38 sites spanning 6,000 years, and details the demographic processes of the Caucasus and the surrounding steppe zone throughout the Bronze...
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Adam "Ben" Rohrlach @brohrlach.bsky.social · 28/11/2024
I still think Novembre et al. 2008 is the most inspiring paper I've ever read. I read it early in my studies as a mathematician trying to find my way in archaeogenetics, but the simple beauty of the message in this PCA convinced me there was something for my skill set to contribute to the field.
https://pmc.ncbi.nlm.nih.gov/articles/PMC2735096/
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