Tomek O.
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smiergahttu.bsky.social
Tomek O.
@smiergahttu.bsky.social
archaeologist in Kraków, PL
looking at Neolithic/Eneolithic in Central Europe through evolutionary perspective. he/him.
also @smiergahttu@fosstodon.org
and https://www.researchgate.net/profile/Tomasz-Oberc
Pinned
Hello BlueSky Butterflies!
I am Tomek. I am a neolithic archaeologist with expertise in GIS and lithics, working for Institute of Archaeology and Ethnology of Polish Academy of Sciences.
Have PhD in counting the neolithic people.
I dig 🦣 sites and do stats as a hobby.
#introduction
Reposted by Tomek O.
How cool is #RealArchaeology? 🏺

Well, it's "we can track down oral human & environmental #DNA from #Neolithic birch #tar which had been chewed thousands of years ago, telling us about Stone Age diet & what this tar was used for" cool. 🙌

royalsocietypublishing.org/doi/10.1098/...
Ancient DNA and biomarkers from artefacts: insights into technology and cultural practices in Neolithic Europe | Proceedings of the Royal Society B: Biological Sciences
Birch bark tar was widely used throughout prehistoric Europe for hafting stone tools as well as various other purposes. While previous research has mainly focused on the identification and production ...
royalsocietypublishing.org
October 16, 2025 at 9:02 AM
Reposted by Tomek O.
One of my least favorite time sinks is trying to find a reference that clearly states something (with supporting evidence) that is usually part of undergraduate curricula.

#AcademicSky #AcWri
October 11, 2025 at 11:54 AM
Not only red! Take a look at freshly updated color palette of the Corded Ware Culture, inc. possible sourcing and processing tools for jarosite from S Poland:
doi.org/10.1016/j.ja...

Share link (active till 30 Nov):
authors.elsevier.com/c/1lw4v_,5MK...

#archaeology #pigment #neolithic #eneolithic
October 11, 2025 at 6:58 AM
Reposted by Tomek O.
One for Old Kingdom peeps...a new article published in the journal: African Archaeology Review on 27 September 2025 in #openaccess and includes Prof. Mgr. Miroslav Bárta amongst the authors:

Sex Estimation in the Egyptian Old Kingdom Population (c. 2700–2180 BCE) using Logistic Regression.

1 / 2
Sex Estimation in the Egyptian Old Kingdom Population (c. 2700–2180 BCE) using Logistic Regression - African Archaeological Review
Sex estimation based on skeletal dimensions can be an important tool in the case of a missing pelvis, but is population specific. The aim is to present logistic regression models for sex estimation specifically for the Old Kingdom population (2700–2180 BCE) of ancient Egypt. The sample includes the skeletal remains of 162 adult individuals, 95 males and 67 females, from two burial sites (Abusir, Giza), whose sex could be estimated based on pelvic bone measurements and/or morphological features. A total of 38 cranial and 64 postcranial measurements were included. Sex estimation equations were developed using logistic regression to obtain probabilities for sex predictions. 26 final skeletal measurements were selected for use in the multivariate models. A total of 65 best performing models are presented. All are statistically significant at a 0.01 p-level and characterized by a combination of low error, high decisiveness, high accuracy, and sufficient coverage. Models incorporating lower limb measurements perform best, yielding almost no errors on the 95% certainty level. Sexual dimorphism in the lower limbs is best reflected by the physiological length of the talus, and in the upper limbs by the transversal head diameter of the humerus. The main advantages to logistic regression models are reliability and using probabilities to predict sex. Previous models used discriminant analysis and did not target the population of the Old Kingdom. Their comparison with the presented models shows population specificity over time, and the need for models designed specifically for Old Kingdom individuals.
doi.org
October 10, 2025 at 6:59 AM
Reposted by Tomek O.
📰 >12,000-year-old skull from north-west Italy confirmed as Europe's oldest cranial modification, indicating head shaping was practiced during the Upper Palaeolithic

#ArchaeologyNews via @archaeologynews.bsky.social

archaeologymag.com/2025/08/euro...
Europe’s oldest cranial modification found in Italian cave
'Oddly shaped head' left in Italian cave 12,500 years ago is Europe's oldest known case of cranial modification, study finds
archaeologymag.com
August 12, 2025 at 7:30 PM
Reposted by Tomek O.
a huge loss for this world
Jane Goodall, ethologist and conservationist, has died. She was 91
October 1, 2025 at 6:22 PM
Reposted by Tomek O.
Time to update your Palaeolithic palettes... 🔵

Very proud to share our new research on the OLDEST use of blue pigment! We identified traces of azurite - a vibrant blue mineral - on a stone object around 14-13,000 years old. Why is this so exciting? 👇🏺

doi.org/10.15184/aqy...
September 29, 2025 at 8:43 AM
Reposted by Tomek O.
#OTD 19 September 1991, walkers in the high Ötztal alps on the Italian border, found a body melting out of the ice. It turned out to be the remains of a c.5200 year old man preserved with all his kit.
Of course, it was essential to replicate him in Playmobil.
1🧵
#PlaymobilÖtzi
#PlaymobilInfestation
September 19, 2025 at 9:18 AM
Reposted by Tomek O.
Trans rights are, in fact, human rights. Pass it on. 🏳️‍⚧️🫂
August 20, 2025 at 3:57 PM
Reposted by Tomek O.
Colours are represented and processed in the same way in the brains of different people

go.nature.com/461O9s8
My blue is your blue: different people’s brains process colours in the same way
Neuroscientists can predict what colour a person is looking at using a machine-learning tool trained on the brain activity of others.
go.nature.com
September 8, 2025 at 5:46 PM
Reposted by Tomek O.
Fascinating - ritual violence in the European Neolithic. Possibly the earliest evidence of conflict propaganda.

www.ox.ac.uk/news/2025-08...
Ritual sacrifice or propaganda? Oxford-led research uncovers Europe's
A new study led by the School of Archaeology at the University of Oxford has revealed what may be the earliest evidence of victory celebrations in European prehistory, offering a striking new
www.ox.ac.uk
September 2, 2025 at 12:42 AM
Reposted by Tomek O.
Some of our 2nd year students are currently working with Dr Alex Pryor and Dr Jarek Wilczyński at Nietoperzowa Cave in Poland. They're spending four weeks excavating early Upper Palaeolithic layers previously made famous for finds of Jerzmanowician lithic points and human remains!
August 20, 2025 at 9:09 AM
Reposted by Tomek O.
New paper! Were cemeteries of the LBK long-lived, starting in the east and spreading westwards slowly? Our new 14C dates suggest they started contemporaneously across the LBK and were fairly short-lived (though this depends on what you mean by "short"...) www.cambridge.org/core/journal...
New temporal dimensions of the Linearbandkeramik cemetery horizon in Schwetzingen (Germany) | Antiquity | Cambridge Core
New temporal dimensions of the Linearbandkeramik cemetery horizon in Schwetzingen (Germany)
www.cambridge.org
August 18, 2025 at 8:16 AM
Reposted by Tomek O.
How were ochre pigments sourced and used in prehistory? 🏺

Check out our review of 'The usage of ochre at the verge of Neolithisation from the Near East to the Carpathian Basin' in our #NewBookChronicle on the 'Scientific search for a colourful past'

🆓 doi.org/10.15184/aqy...
August 4, 2025 at 7:13 AM
Have you ever called a conclusion in a paper you're reviewing "ridiculous"?
#AcademicSky #reviewer2
July 30, 2025 at 11:55 PM
Reposted by Tomek O.
This ca. 5,000-year-old Neolithic polished flint axe with its original ash wood handle is remarkable well preserved.

During the Neolithic period in Denmark, as agriculture began to expand, farmers had to clear the forests, which involved felling trees and burning away...🧵1/2

📷 me

🏺 #archaeology
June 30, 2025 at 7:05 AM
Reposted by Tomek O.
Mammoth hunting camp discovered in Ústí nad Labem.
🏺
english.radio.cz/mammoth-hunt...
Mammoth hunting camp discovered in Ústí nad Labem
Archaeologists in Ústí nad Labem in northern Bohemia have made a unique discovery: a mammoth hunting camp from the Old Stone Age.
english.radio.cz
February 7, 2025 at 2:47 AM
Reposted by Tomek O.
After many years this is out now, many congratulations to everybody!
Female lineages and changing kinship patterns in Neolithic Çatalhöyük
Combining 131 paleogenomes with bioarchaeological and archaeological data, we studied social organization and gendered practices in Çatalhöyük East Mound (7100 to 5950 BCE), a major Neolithic settleme...
www.science.org
June 26, 2025 at 6:37 PM
Reposted by Tomek O.
A mammoth boomerang returns new clues about early human toolmaking

New dates for a throwing weapon found in Poland reveal it as one of the earliest of its kind

Boomerang and bones:
Refining the chronology of the Early Upper Paleolithic at Obłazowa Cave, Poland 🏺🧪
journals.plos.org/plosone/arti...
June 27, 2025 at 5:30 PM
Reposted by Tomek O.
Spread the love and acceptance #pridemonth
June 3, 2025 at 12:35 PM
So the flint mining conference in Worthing, UK is about to start! ⛏️
May 6, 2025 at 8:47 AM
Reposted by Tomek O.
📢 The Internet Archive needs your help.

At a time when information is being rewritten or erased online, a $700 million lawsuit from major record labels threatens to destroy the Wayback Machine.

Tell the labels to drop the 78s lawsuit.

👉 Sign our open letter: www.change.org/p/defend-the...

🧵⬇️
April 17, 2025 at 4:51 PM