Dennis Hansen
@dennish.bsky.social
Concept- & content developer new Natural History Museum UniZurich; Island biologist w. fetish for giant tortoises (Aldabrans!) & rewilding 🐢
Fond of Gessner (x2) & Scheuchzer; lover of old books, older fossils, history of science & music of metal
Fond of Gessner (x2) & Scheuchzer; lover of old books, older fossils, history of science & music of metal
Reposted by Dennis Hansen
We're advertising a PhD project to investigate the hydrodynamics of Aldabra Atoll @oxuniearthsci.bsky.social! We are looking for a student with strong quantitative skills and interest in ocean modelling. Competitive funding available through ILESLA. Please share with anybody who may be interested!
October 22, 2025 at 9:32 AM
We're advertising a PhD project to investigate the hydrodynamics of Aldabra Atoll @oxuniearthsci.bsky.social! We are looking for a student with strong quantitative skills and interest in ocean modelling. Competitive funding available through ILESLA. Please share with anybody who may be interested!
Reposted by Dennis Hansen
Reposting an oldie for #FossilFriday!
This is Kalligramma brachyrhyncha, a medium-sized kalligrammatid ( #Mesozoic lacewings) from the Middle #Jurassic of Inner Mongolia, China. It is known to have had eyespots on its wings and may have acted as a pollinator for #bennettitaleans. #paleoart
This is Kalligramma brachyrhyncha, a medium-sized kalligrammatid ( #Mesozoic lacewings) from the Middle #Jurassic of Inner Mongolia, China. It is known to have had eyespots on its wings and may have acted as a pollinator for #bennettitaleans. #paleoart
October 24, 2025 at 1:26 PM
Reposting an oldie for #FossilFriday!
This is Kalligramma brachyrhyncha, a medium-sized kalligrammatid ( #Mesozoic lacewings) from the Middle #Jurassic of Inner Mongolia, China. It is known to have had eyespots on its wings and may have acted as a pollinator for #bennettitaleans. #paleoart
This is Kalligramma brachyrhyncha, a medium-sized kalligrammatid ( #Mesozoic lacewings) from the Middle #Jurassic of Inner Mongolia, China. It is known to have had eyespots on its wings and may have acted as a pollinator for #bennettitaleans. #paleoart
Reposted by Dennis Hansen
Join us in Rome or online for a seminar on plant illustrations on 6 November! 🪴🌻🌿
Through images of mandrakes and ferns, @fabribald.bsky.social and I will be discussing issues in the role of images in early modern botany.
www.biblhertz.it/events/43483...
Through images of mandrakes and ferns, @fabribald.bsky.social and I will be discussing issues in the role of images in early modern botany.
www.biblhertz.it/events/43483...
The Role of Images in Early Modern Botany
This seminar brings together two experts on sixteenth- and seventeenth-century plants. Zooming in on the dilemma of visualizing plants (or not), and how images could become part of epistemic methods w...
www.biblhertz.it
October 20, 2025 at 10:02 AM
Join us in Rome or online for a seminar on plant illustrations on 6 November! 🪴🌻🌿
Through images of mandrakes and ferns, @fabribald.bsky.social and I will be discussing issues in the role of images in early modern botany.
www.biblhertz.it/events/43483...
Through images of mandrakes and ferns, @fabribald.bsky.social and I will be discussing issues in the role of images in early modern botany.
www.biblhertz.it/events/43483...
Reposted by Dennis Hansen
A magnificent exhibition: "Nürnberg Global, 1300-1600," showcasing stunning #MedievalSky & #EarlyModern objects—paintings, engravings, goldsmithing & scientific objects, woodcuts, books (of hours), architectural models, sculptures, armor, textiles, coins. It's SO good!
🗃️ #HistSci #ArtHistory 🏛️
🗃️ #HistSci #ArtHistory 🏛️
October 13, 2025 at 10:34 AM
A magnificent exhibition: "Nürnberg Global, 1300-1600," showcasing stunning #MedievalSky & #EarlyModern objects—paintings, engravings, goldsmithing & scientific objects, woodcuts, books (of hours), architectural models, sculptures, armor, textiles, coins. It's SO good!
🗃️ #HistSci #ArtHistory 🏛️
🗃️ #HistSci #ArtHistory 🏛️
Reposted by Dennis Hansen
After two years of hard work, I’m proud to announce that our new special exhibition @smnstuttgart.bsky.social is now open for the public – Meet Triassic Life: Dawn of the world of reptiles (1/7).
October 17, 2025 at 4:42 PM
After two years of hard work, I’m proud to announce that our new special exhibition @smnstuttgart.bsky.social is now open for the public – Meet Triassic Life: Dawn of the world of reptiles (1/7).
Reposted by Dennis Hansen
Might there have been hybrids between Mesozoic (non-bird) #dinosaurs, perhaps even between groups that had been separated for 10s of million of years? YES, the existence of such animals is very likely. But could we >identify< such animals? Let's see... tetzoo.com/blog/2025/9/...
In Quest of Hybrid (Non-Bird) Dinosaurs — Tetrapod Zoology
Might there have been hybrid dinosaurs in the deep geological past? If so, could we identify them from the fossil record? Let’s discuss…
tetzoo.com
September 15, 2025 at 4:25 PM
Might there have been hybrids between Mesozoic (non-bird) #dinosaurs, perhaps even between groups that had been separated for 10s of million of years? YES, the existence of such animals is very likely. But could we >identify< such animals? Let's see... tetzoo.com/blog/2025/9/...
Reposted by Dennis Hansen
The maniacal, scribbling gnomes in the cellar of Ball Mansions have tossed of another tome:
Alchemy: An Illustrated History of Elixirs, Experiments, and the Birth of Modern Science
And it’s gorgeous!
#histsci
Alchemy: An Illustrated History of Elixirs, Experiments, and the Birth of Modern Science
And it’s gorgeous!
#histsci
September 12, 2025 at 12:29 PM
The maniacal, scribbling gnomes in the cellar of Ball Mansions have tossed of another tome:
Alchemy: An Illustrated History of Elixirs, Experiments, and the Birth of Modern Science
And it’s gorgeous!
#histsci
Alchemy: An Illustrated History of Elixirs, Experiments, and the Birth of Modern Science
And it’s gorgeous!
#histsci
Reposted by Dennis Hansen
In other news, I'll be talking about #earlymodern news media next week in Copenhagen. This is the first workshop of the new "Objects of Knowledge" network, organized by @lauraskouvig.bsky.social and @mariasimonsen.bsky.social
comm.ku.dk/research/inf...
#histknow meeting #newshistory, #skystorians
comm.ku.dk/research/inf...
#histknow meeting #newshistory, #skystorians
September 10, 2025 at 1:06 PM
In other news, I'll be talking about #earlymodern news media next week in Copenhagen. This is the first workshop of the new "Objects of Knowledge" network, organized by @lauraskouvig.bsky.social and @mariasimonsen.bsky.social
comm.ku.dk/research/inf...
#histknow meeting #newshistory, #skystorians
comm.ku.dk/research/inf...
#histknow meeting #newshistory, #skystorians
Back again. Did I miss anything important?
September 11, 2025 at 9:20 AM
Back again. Did I miss anything important?
Reposted by Dennis Hansen
Delighted to have come across this lovely book for a patron visit - Isabella Sinclair’s Indigenous Flowers of the #Hawaiian Islands (1855). The first book published with colour images of Hawaiian flowering plants. A great blog here blog.biodiversitylibrary.org/2019/03/isab... #rarebooks #flowers
September 10, 2025 at 7:59 AM
Delighted to have come across this lovely book for a patron visit - Isabella Sinclair’s Indigenous Flowers of the #Hawaiian Islands (1855). The first book published with colour images of Hawaiian flowering plants. A great blog here blog.biodiversitylibrary.org/2019/03/isab... #rarebooks #flowers
Reposted by Dennis Hansen
Published today in Biological Reviews:
"New perspectives on body size and shape evolution in dinosaurs" - the biggest paper from my PhD (my favourite chapter, too).
doi.org/10.1111/brv....
Here's a thread outlining some of our key findings. (1/10)
"New perspectives on body size and shape evolution in dinosaurs" - the biggest paper from my PhD (my favourite chapter, too).
doi.org/10.1111/brv....
Here's a thread outlining some of our key findings. (1/10)
May 9, 2025 at 10:11 AM
Published today in Biological Reviews:
"New perspectives on body size and shape evolution in dinosaurs" - the biggest paper from my PhD (my favourite chapter, too).
doi.org/10.1111/brv....
Here's a thread outlining some of our key findings. (1/10)
"New perspectives on body size and shape evolution in dinosaurs" - the biggest paper from my PhD (my favourite chapter, too).
doi.org/10.1111/brv....
Here's a thread outlining some of our key findings. (1/10)
Reposted by Dennis Hansen
One of my "secret projects" I've recently finished is making a copy of the arm of Dakota the dinomummy. Here's the blog update on it with shoutouts to @boydpaleo.bsky.social and @himmapaan.bsky.social and @uglyfossils.bsky.social for their work on the paper/exhibit rmdrc.blogspot.com/2025/04/dako...
Dakota Goes Digital: Replicating a Mummy Arm
Reonstruction by Natee Puttapipat from Drumheller et al., PLoS One, 2022 Confession time: I love giving nicknames to the specimens that I fi...
rmdrc.blogspot.com
April 10, 2025 at 6:04 PM
One of my "secret projects" I've recently finished is making a copy of the arm of Dakota the dinomummy. Here's the blog update on it with shoutouts to @boydpaleo.bsky.social and @himmapaan.bsky.social and @uglyfossils.bsky.social for their work on the paper/exhibit rmdrc.blogspot.com/2025/04/dako...
Reposted by Dennis Hansen
Madagascar Journal. Back at camp after a long day tracking Radiated tortoises in the spiny forest, this one found us!
April 10, 2025 at 7:33 PM
Madagascar Journal. Back at camp after a long day tracking Radiated tortoises in the spiny forest, this one found us!
Reposted by Dennis Hansen
The Lives of Frogs — it's real! #frogs #amphibians #conservation #ecology #naturalhistory #biodiversity Available in all good book shops (and probably some bad) from 20th May 🧪 @princetonupress.bsky.social @uclcber.bsky.social @ucl-pnl.bsky.social @ucllifesciences.bsky.social @ucl.ac.uk
February 13, 2025 at 3:49 PM
The Lives of Frogs — it's real! #frogs #amphibians #conservation #ecology #naturalhistory #biodiversity Available in all good book shops (and probably some bad) from 20th May 🧪 @princetonupress.bsky.social @uclcber.bsky.social @ucl-pnl.bsky.social @ucllifesciences.bsky.social @ucl.ac.uk
Reposted by Dennis Hansen
George Catlin (USA, 1796-1872)
The Great Ant-Eater, 1854/1869
oil on card mounted on paperboard
46.2 x 61.9 cm (18 3/16 x 24 3/8 in.)
National Gallery of Art DC 1965.16.255 www.nga.gov/collection/a...
“THE GREAT ANT-EATER, visiting the author’s camp on the Rio Yucayali.”
#GiantAnteater #Anteater
The Great Ant-Eater, 1854/1869
oil on card mounted on paperboard
46.2 x 61.9 cm (18 3/16 x 24 3/8 in.)
National Gallery of Art DC 1965.16.255 www.nga.gov/collection/a...
“THE GREAT ANT-EATER, visiting the author’s camp on the Rio Yucayali.”
#GiantAnteater #Anteater
![Digital scan of the cited artwork; oval composition depicting a giant anteater in side profile seemingly surprising two dark-skinned men in a rainforest campground (identified as Rio Yucayali area), one in a hammock and one by the campfire.
“When Catlin exhibited [this] Cartoon Collection in New York in 1871, he published a catalog listing all the works. The catalog entries often included additional information about the subject of each painting. Catlin's catalog entry for this painting follows.
Cart. No. 481.
THE GREAT ANT-EATER, visiting the author’s camp on the Rio Yucayali. See Catlin’s ‘Last Rambles.’—Appleton.”](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:l5pcfqdnvtivhxufycjnvzui/bafkreifri527r4qnm75iaq2u3vfnmztlcsd4z2gqtwrd64ia4x2mwdasva@jpeg)
April 6, 2025 at 3:38 AM
George Catlin (USA, 1796-1872)
The Great Ant-Eater, 1854/1869
oil on card mounted on paperboard
46.2 x 61.9 cm (18 3/16 x 24 3/8 in.)
National Gallery of Art DC 1965.16.255 www.nga.gov/collection/a...
“THE GREAT ANT-EATER, visiting the author’s camp on the Rio Yucayali.”
#GiantAnteater #Anteater
The Great Ant-Eater, 1854/1869
oil on card mounted on paperboard
46.2 x 61.9 cm (18 3/16 x 24 3/8 in.)
National Gallery of Art DC 1965.16.255 www.nga.gov/collection/a...
“THE GREAT ANT-EATER, visiting the author’s camp on the Rio Yucayali.”
#GiantAnteater #Anteater
Reposted by Dennis Hansen
Sand grains as big as her head ❤️
April 3, 2025 at 3:48 AM
Sand grains as big as her head ❤️
Reposted by Dennis Hansen
Call-out to paleoartists!
The virtual 3D exhibition goes into its second round and is looking for paintings, animations, 3D models, poems,…
This will be the start of a continuous exhibition of contemporary paleoart. Registration starts on April 1st!
More infos below 👇
The virtual 3D exhibition goes into its second round and is looking for paintings, animations, 3D models, poems,…
This will be the start of a continuous exhibition of contemporary paleoart. Registration starts on April 1st!
More infos below 👇
March 30, 2025 at 7:18 PM
Call-out to paleoartists!
The virtual 3D exhibition goes into its second round and is looking for paintings, animations, 3D models, poems,…
This will be the start of a continuous exhibition of contemporary paleoart. Registration starts on April 1st!
More infos below 👇
The virtual 3D exhibition goes into its second round and is looking for paintings, animations, 3D models, poems,…
This will be the start of a continuous exhibition of contemporary paleoart. Registration starts on April 1st!
More infos below 👇
Reposted by Dennis Hansen
I'm happy to announce that Mesozoic Art v.II has now gone to press. Looks incredible and thanks to all the artists who contributed, and to @tetzoo.bsky.social and everybody at @chiffchat.bsky.social for their patience, resilience and hard work. Book goes on sale 25th September - don't miss it!
March 27, 2025 at 5:11 PM
I'm happy to announce that Mesozoic Art v.II has now gone to press. Looks incredible and thanks to all the artists who contributed, and to @tetzoo.bsky.social and everybody at @chiffchat.bsky.social for their patience, resilience and hard work. Book goes on sale 25th September - don't miss it!
Reposted by Dennis Hansen
Do you love #fossil plants? Are you searching for a #PhD position? I am recruiting a doctoral student to join my group at the Senckenberg Research Institute in Frankfurt/M! Deadline on the 11th of May
#paleobotany #paleontology #plants #botany
www.senckenberg.de/en/career/sc...
#paleobotany #paleontology #plants #botany
www.senckenberg.de/en/career/sc...
Jobs for Scientists | Senckenberg Society for Nature Research
www.senckenberg.de
April 1, 2025 at 4:26 PM
Do you love #fossil plants? Are you searching for a #PhD position? I am recruiting a doctoral student to join my group at the Senckenberg Research Institute in Frankfurt/M! Deadline on the 11th of May
#paleobotany #paleontology #plants #botany
www.senckenberg.de/en/career/sc...
#paleobotany #paleontology #plants #botany
www.senckenberg.de/en/career/sc...
A sure sign the world is going to hell in a handbasket: The new Nortt album sounds happy (sarcasm off; it is of course deliciously dark, doomy, and slow 🖤🤘)
April 1, 2025 at 4:59 PM
A sure sign the world is going to hell in a handbasket: The new Nortt album sounds happy (sarcasm off; it is of course deliciously dark, doomy, and slow 🖤🤘)
Reposted by Dennis Hansen
Rumors have it that this edition of the book also has a fascinating foreword about disinformation and post-truth populism by a Danish military analyst.
(And also that a Danish version of the book will be available very soon.)
(And also that a Danish version of the book will be available very soon.)
Big thanks goes to @martinlaineolen.bsky.social for helping me brew this soup - do follow him!
The 2nd edition of “Vatnik Soup — The Ultimate Guide to Russian Disinformation” is officially out!
You can order your copy here:
www.kleart.eu/webshop/p/va...
The 2nd edition of “Vatnik Soup — The Ultimate Guide to Russian Disinformation” is officially out!
You can order your copy here:
www.kleart.eu/webshop/p/va...
Vatnik Soup — Kle•art
Do your friends believe Ukraine is full of neo-Nazis and secret biolabs? Do you feel overwhelmed by propaganda and lies every time you go online? Does your mom think Tucker Carlson sounds reasonable? ...
www.kleart.eu
April 1, 2025 at 1:04 PM
Rumors have it that this edition of the book also has a fascinating foreword about disinformation and post-truth populism by a Danish military analyst.
(And also that a Danish version of the book will be available very soon.)
(And also that a Danish version of the book will be available very soon.)
Reposted by Dennis Hansen
Pieter Vogelvormer, the Dutch naturalist who bred the finches that #Darwin later studied in the Galapagos, was born #OnThisDay in 1608.
Read about this little-known contributor to the history of #evolution in a very special #ScientistOfTheDay post:
www.lindahall.org/about/news/s...
#histSTM 🗃️📜
Read about this little-known contributor to the history of #evolution in a very special #ScientistOfTheDay post:
www.lindahall.org/about/news/s...
#histSTM 🗃️📜
![Portrait of Pieter Vogelvormer, oil on canvas, by Jan Lievens, 1629 [1636?], Norton Simon Museum, Pasadena (nortonsimon.org)](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:gctqfxnif4zrn7rw76gnzzcu/bafkreihxcbqcj5qiyd2qsj5hghmxvgowrbtacj3qgjmmekpts5csamt4fe@jpeg)
April 1, 2025 at 3:06 PM
Pieter Vogelvormer, the Dutch naturalist who bred the finches that #Darwin later studied in the Galapagos, was born #OnThisDay in 1608.
Read about this little-known contributor to the history of #evolution in a very special #ScientistOfTheDay post:
www.lindahall.org/about/news/s...
#histSTM 🗃️📜
Read about this little-known contributor to the history of #evolution in a very special #ScientistOfTheDay post:
www.lindahall.org/about/news/s...
#histSTM 🗃️📜
Reposted by Dennis Hansen
‼️ Early Bird ends today ‼️
So if you are a student or a postdoc, this is the last day to register for free!
So if you are a student or a postdoc, this is the last day to register for free!
🚨 Early Bird Pricing Closes TODAY🚨
It's your last chance to sign up with discounted registration for the upcoming CPEG and CPB conference!
Early bird pricing ends TODAY at MIDNIGHT (CET) 🕒
Don’t miss out and register now ⬇️
👉 cpeg-cpb25.uzh.ch/en.html
#CPEGCPB25
It's your last chance to sign up with discounted registration for the upcoming CPEG and CPB conference!
Early bird pricing ends TODAY at MIDNIGHT (CET) 🕒
Don’t miss out and register now ⬇️
👉 cpeg-cpb25.uzh.ch/en.html
#CPEGCPB25
| Crossing the Paleontological-Ecological Gap & Conservation Paleobiology Symposium | Zurich, 2025 | UZH
cpeg-cpb25.uzh.ch
March 31, 2025 at 1:32 PM
‼️ Early Bird ends today ‼️
So if you are a student or a postdoc, this is the last day to register for free!
So if you are a student or a postdoc, this is the last day to register for free!
Reposted by Dennis Hansen
I’ve just been informed by my publisher that my book on Athanasius Kircher is now sold out. If you’re still interested in reading it, you can download the open access e-book via Zenodo: doi.org/10.5281/zeno.... Thanks to everyone who has shown interest in the book! #AthanasiusKircher
March 31, 2025 at 11:02 AM
I’ve just been informed by my publisher that my book on Athanasius Kircher is now sold out. If you’re still interested in reading it, you can download the open access e-book via Zenodo: doi.org/10.5281/zeno.... Thanks to everyone who has shown interest in the book! #AthanasiusKircher
Reposted by Dennis Hansen
Digitised museum collections are full of surprises. For example here's Reinier Vinkeles's etching of a harp-playing putto, ploughing farmer, crystal grotto, and pair of fossil Mosasaurus jaws. That's surprising. (@rijksmuseum.bsky.social: id.rijksmuseum.nl/200388929)
March 31, 2025 at 7:20 AM
Digitised museum collections are full of surprises. For example here's Reinier Vinkeles's etching of a harp-playing putto, ploughing farmer, crystal grotto, and pair of fossil Mosasaurus jaws. That's surprising. (@rijksmuseum.bsky.social: id.rijksmuseum.nl/200388929)