Marios Chatzigeorgiou
@mchatzigeorgiou.bsky.social
📤 189
📥 392
📝 11
Neurobiologist, Group Leader
@msarscentre.bsky.social
https://www.chatzigeorgioulab.com/
pinned post!
New preprint from our lab:
www.biorxiv.org/content/10.6...
@olegtolstenkov.bsky.social
, Sissel and Rodolfo in collaboration with
@appygenetics.bsky.social
@msarscentre.bsky.social
built a behavioral atlas of the planktonic tunicate Oikopleura dioica across its life cycle.
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about 1 month ago
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Elizabeth Beston
3 days ago
The colours on this copepod nauplius are just stunning!
#marineplankton
🦑
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Christopher B. Cameron
6 days ago
Our latest on
#oil
droplet capture by
#marine
animals is
#OpenAccess
@sicbjournals.bsky.social
Oil Droplet Capture by Tunicates by Katherine Beaudry & C.B. Cameron, Integrative Organismal Biology, Volume 7, Issue 1, 2025, obaf045,
doi.org/10.1093/iob/...
Cover photo by Robin Gwen Agarwal
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Elizabeth Beston
13 days ago
Barnacles! A lovely little collection of barnacle larvae, both nauplii and cyprid (the seed-shaped ones), which are the earlier and later stages, respectively.
#marineplankton
🦑
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Stelios Katsanevakis
16 days ago
Marine functional
#connectivity
matters—from genes to energy flows. This synthesis clarifies concepts, unifies fragmented approaches, and proposes a global framework to better link science,
#SpatialPlanning
, and
#policy
in a changing ocean.
doi.org/10.1002/brv....
#MarineEcology
🌐🌍🧪🌊
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Marios Chatzigeorgiou
Arnone Lab
16 days ago
I am deeply honored to share that my project NeurEvoFun has been awarded support from the Fondo Italiano per la Scienza (FIS), the Advanced Grant by the Italian Ministry of Education, Universities and Research, supporting fundamental research inspired by the ERC model. Excited for what’s ahead!
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Pedro Martinez
20 days ago
Coming in February!! A monstrous 4-book series covering neural systems in animals, featuring a very long chapter on the origin of NS in metazoans by Volker Hartenstein,
@simon-sprecher.bsky.social
, and myself. Details very soon—for an incredible bargain price!! 😜😅
shop.elsevier.com/books/evolut...
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Evolution of Nervous Systems
Evolution of Nervous Systems, Third edition Four-volume set includes wholly new content, all chapters from the previous edition have been thoroughly u
https://shop.elsevier.com/books/evolution-of-nervous-systems/kaas/978-0-443-27380-3
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Marios Chatzigeorgiou
Andy Radford
28 days ago
One of my favourite projects to be involved with - love the combination of cool natural history and the ability to run field
#experiments
in natural
#marine
environments. Great work
@sammatchette.bsky.social
on leading the latest work. 🐟
#trumpetfish
#colour
#predation
@royalsocietypublishing.org
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Sydney Popsuj
27 days ago
The preprint containing the bulk of my thesis work is out!
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Elizabeth Beston
29 days ago
An appendicularian (larvacean) from my sample this week. I won’t go on about how awesome they are - I’ve posted about them loads. So just enjoy!
#marineplankton
🦑
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the Node
about 2 months ago
Our November in
#preprints
list is now up on the Node! Check it out for the latest in
#devbio
and stem cell research ⤵️:
thenode.biologists.com/november-in-...
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November in preprints - the Node
Welcome to our monthly trawl for developmental and stem cell biology (and related) preprints. The preprints this month are hosted on bioRxiv.
https://thenode.biologists.com/november-in-preprints-10/research/
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Marios Chatzigeorgiou
Catherine
about 1 month ago
A Tunicate
#Salp’s
Last Supper. A swimming smorgasbord wrapped in glassy flesh
#photography
#UnderwaterPhotography
Link for more
#photos
and information:
mossandfog.com/a-salps-last...
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Nature Methods
about 1 month ago
In this month's Creature Column, we feature the ascidian tunicate Ciona, a model for marine systems life sciences.
www.nature.com/articles/s41...
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Marios Chatzigeorgiou
Michael Sars Centre
about 1 month ago
We are thrilled to invite you to the Michael Sars Symposium 2026 - Living systems in a variable ocean, together with our co-organizers at
@cbubergen.bsky.social
! Mark June 4, 2026 in your calendars, and watch out for our speaker lineup reveal in the new year 🙌
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Marios Chatzigeorgiou
AU Bioacoustics
about 1 month ago
New publication 🐋 fresh out of our
#bioacoustics
lab! Congratulations to our dedicated colleague
@beeden.bsky.social
& co-authors 🥳 HIGH FREQUENCY
#VESSELNOISE
🛥️ MASKS ECHOLOCATION AND COMMUNICATION 🔉 IN
#HARBOURPORPOISES
🐬 Read the full article here:
doi.org/10.1121/10.0...
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Marios Chatzigeorgiou
Amoyel lab
about 1 month ago
🚨Seeking developmental or cell biologists🔬!🚨 Our department
@ucl-cdb.bsky.social
is looking to support scientists seeking to establish their lab with a fellowship. Deadline: 30 Jan. Apply here:
www.ucl.ac.uk/work-at-ucl/...
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Rochelle Meah
about 1 month ago
Multiple anthropogenic stressors can negatively impact species but can a single stressor also have multiple, concurrent impacts? Here we show that light pollution creates several simultaneous impacts to the nocturnal movement ecology of a moth and a spider:
tinyurl.com/5eku5bff
(1/5)
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Rottinger Lab
about 1 month ago
Stoked that this paper, summarizing a vast series of experiments from past and present members of the team is out. A great way to end this year.
www.nature.com/articles/s41...
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Whole body regeneration deploys a rewired embryonic gene regulatory network logic - Nature Communications
To what extent regeneration recapitulates embryonic development is a longstanding question. Here, they show that embryonic gene modules are re-used, rewired, and interconnected to specific injury-indu...
https://www.nature.com/articles/s41467-025-67196-4
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Marios Chatzigeorgiou
Stephanie Hampton
about 1 month ago
I love our ESA journal Ecology's Scientific Naturalist papers! Check out deep sea squid covered in mud with tentacles masquerading as sessile invertebrates (?!!) ... so many discoveries still out there for ecology!!
esajournals.onlinelibrary.wiley.com/doi/10.1002/...
@esajournals.bsky.social
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Elizabeth Beston
3 months ago
There are still plenty of Ascidian sea squirt larvae on my plankton samples at the moment. Love them!
#marineplankton
🦑
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Marios Chatzigeorgiou
about 2 months ago
📜We are thrilled to announce that the latest MorphoNet paper is officially published 🎉 ! Discover 5 varied use cases in which MorphoNet helps segment, curate, evaluate & validate complex 3D+t datasets, and much more 🧑💻 ! Read at
@elife.bsky.social
:
doi.org/10.7554/eLif...
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Sébastien DARRAS
about 1 month ago
Latest publication from the
#DEEVA
team in
@biom-banyuls.bsky.social
and
@obs-banyuls.fr
and
@cnrsbiologie.bsky.social
@sorbonne-universite.fr
in
#WindyBanyuls
Congratulations to
@agnesroure.bsky.social
and
@rafathchowdhury.bsky.social
#Ciona
#ascidians
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Six3/6 acts downstream of canonical Wnt signaling to regulate the formation of anterior neural border-derived structures in ascidian embryos
Highlighted Article: In ascidian embryos, canonical Wnt signaling limits the posterior extension of the most anterior structure, the palps, by activating Six3/6, which inhibits palps fate.
https://journals.biologists.com/dev/article-abstract/152/23/dev204927/370058/Six3-6-acts-downstream-of-canonical-Wnt-signaling
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Marios Chatzigeorgiou
Institut de la Mer de Villefranche/Mer (IMEV)
4 months ago
Admirez la magie du développement cellulaire des organismes marins ! 3/4
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Marios Chatzigeorgiou
Alex McDougall
about 1 month ago
another old one...a microtubule (MT) movie - EB3-GFP label of MT plus ends growing...thanks to Vlad Costache (if interested, black holes = yolk granules, Ascidian Phallusia embryo)
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MARE
about 1 month ago
New publication in Proceding of The Royal Society B! "Developmental and transcriptomic responses of Hawaiian bobtail squid early stages to ocean warming and acidification"
royalsocietypublishing.org/rspb/article...
@cienciasulisboa.bsky.social
@arnetla.bsky.social
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Pawel Burkhardt
about 1 month ago
Thrilled to see our review article "The evolutionary origins of synaptic proteins" highlighted on the cover of Nature Reviews Neuroscience 🤩.
www.nature.com/articles/s41...
@msarscentre.bsky.social
🧠✨🧬🌊🪼🧽
add a skeleton here at some point
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Patrick Steinmetz
about 1 month ago
Excited to share our story nutrition and cell quiescence in sea anemones, great postdoctoral work of
@eudaldpascual.bsky.social
Finally out in
@plosbiology.org
And thanks to
@msarscentre.bsky.social
for the nice news piece:
www.uib.no/en/michaelsa...
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Eudald Pascual
about 1 month ago
💡How does nutrition regulate cell cycle in stem cells? Check out our new paper from
@prhsteinmetz.bsky.social
lab &
@msarscentre.bsky.social
, out now in
@plosbiology.org
(
plos.io/48J2o6P
)
#SeaAnemone
#Nematostella
#StemCell
#CellCycle
#Quiescence
#TORsignalling
1/12
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Prolonged starvation deepens quiescence in Vasa2/Piwi1-expressing cells of a sea anemone
Animals with lifelong growth modulate cell proliferation in response to nutrient availability, but the underlying mechanisms are not fully understood. This study shows that starvation induces a revers...
https://plos.io/48J2o6P
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Inés Fournon Berodia
about 1 month ago
Thrilled to share the preprint from my PhD! 🥳 Where I characterised epithelial cell extrusion in a sea anemone 🔗
www.biorxiv.org/content/10.6...
Big thanks to my supervisor
@prhsteinmetz.bsky.social
and coauthors
@noahbruderer.bsky.social
@lionlchristiaen.bsky.social
at🇳🇴
@msarscentre.bsky.social
⬇️🧵
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Michael Sars Centre
about 1 month ago
Congratulations to
@eudaldpascual.bsky.social
and
@ktgarschall.bsky.social
from the
@prhsteinmetz.bsky.social
lab on a new paper out in
@plosbiology.org
🤩👏 The work, supported by
@embo.org
, looked at cell behavior during starvation in the sea anemone Nematostella vectensis 🧵🧪
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Starved sea anemones put their cells in ‘deep sleep’ mode
New work from the Steinmetz group at the Michael Sars Centre unveils the secrets behind the starlet sea anemone's extraordinary ability to adjust its body size according to food availability.
https://www.uib.no/en/michaelsarscentre/180909/starved-sea-anemones-put-their-cells-%E2%80%98deep-sleep%E2%80%99-mode
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Siavash Ahrar
5 months ago
Happy to share our new pre-print using microfluidics to look into flow response of Hydra.
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Marios Chatzigeorgiou
PLOS Biology
about 1 month ago
How do animals with lifelong growth modulate cell
#proliferation
?
@eudaldpascual.bsky.social
@ktgarschall.bsky.social
@prhsteinmetz.bsky.social
show that starvation induces G1/G0
#CellCycle
arrest in Vasa2+/Piwi1+
#SeaAnemone
cells; cycle re-entry is TOR-dependent
@plosbiology.org
🧪
plos.io/48J2o6P
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Lionel Christiaen, PhD (he/him/his)
about 1 month ago
Very happy to see this piece on the Tunicate Ciona published. Grateful to
@alexandrejan.bsky.social
and
@chiaracastelletti.bsky.social
for the Illustrations, and to
@natmethods.nature.com
for the opportunity to showcase our ever emerging model organism
www.nature.com/articles/s41...
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The tunicate Ciona - Nature Methods
The ascidian tunicate Ciona, one of the closest relatives of the vertebrates, inhabits shallow temperate waters in the worldwide ocean. A unique combination of simple stereotyped embryogenesis, regula...
https://www.nature.com/articles/s41592-025-02936-4
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@olegtolstenkov.bsky.social
and Sissel Norland
@msarscentre.bsky.social
show that Ciona adults have rich embodied postural dynamics and are able to perceive different sensory stimuli and respond with distinct behavioral outputs.
www.biorxiv.org/content/10.1...
(from last September)
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The evolution of embodied postural dynamics underlies behavioral diversity in benthic sessile chordate
Benthic animals live on or in the seafloor, a habitat known as the benthic zone. These bottom-dwelling organisms account for the largest fraction of animal diversity in our seas, playing vital roles i...
https://www.biorxiv.org/content/10.1101/2025.08.28.672800v1
about 1 month ago
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New preprint from our lab:
www.biorxiv.org/content/10.6...
@olegtolstenkov.bsky.social
, Sissel and Rodolfo in collaboration with
@appygenetics.bsky.social
@msarscentre.bsky.social
built a behavioral atlas of the planktonic tunicate Oikopleura dioica across its life cycle.
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about 1 month ago
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Zimeng Wu
about 1 month ago
Pleased to say that Jonas Hartmann (bs-less) and I have finally released DySTrack (“diss track”) - Dynamic Sample Tracking. It’s a Python-based, modular tool that brings smart microscopy to everyday imaging on commercial systems. Preprint:
www.biorxiv.org/content/10.6...
[1/6]
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bioRxivpreprint
about 1 month ago
DySTrack: a modular smart microscopy tool for live tracking of dynamic samples on modern commercial microscopes
https://www.biorxiv.org/content/10.64898/2025.12.02.691816v1
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Marios Chatzigeorgiou
Fabian Rentzsch
2 months ago
Our paper on the role of neurons in Nematostella head regeneration is now out at
@currentbiology.bsky.social
Big thank you to all collaborators, it was a pleasure! Ectopic head regeneration after nervous system ablation in a sea anemone: Current Biology
www.cell.com/current-biol...
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Ectopic head regeneration after nervous system ablation in a sea anemone
Via genetic ablation of neurons, Mazloumi Gavgani et al. show that the nervous system is essential for defining axial polarity during whole-body regeneration in the sea anemone Nematostella vectensis.
https://www.cell.com/current-biology/fulltext/S0960-9822%2825%2901408-3
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Océane Tournière
2 months ago
Je suis ravie d’avoir participé à la chaîne YouTube Scienticfiz, créée par Gilles Gourio et ses élèves de collège ! Une belle initiative qui met à l’honneur de nombreuses femmes ayant suivi des études scientifiques et inspire les futures générations! 👩🔬✨
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Lionel Christiaen, PhD (he/him/his)
3 months ago
Could not be more happy/proud/relieved to finally see this longstanding study published. Bluetorial to follow.
@msarscentre.bsky.social
Cell cycle-driven transcriptome maturation confers multilineage competence to cardiopharyngeal progenitors | The EMBO Journal
www.embopress.org/doi/full/10....
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Cell cycle-driven transcriptome maturation confers multilineage competence to cardiopharyngeal progenitors | The EMBO Journal
imageimageDuring development, multipotent cardiopharyngeal progenitors express both cardiac and pharyngeal muscle transcriptional programs. This study in the tunicate Ciona shows that cell cycle-regul...
https://www.embopress.org/doi/full/10.1038/s44318-025-00613-y?utm_source=rct_congratemailt&utm_medium=email&utm_campaign=oa_20251103&utm_content=10.1038%2Fs44318-025-00613-y
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Marios Chatzigeorgiou
Current Biology
3 months ago
Mind over matter, matter over mind? Check out our fine mini-special (mini by our standards) special issue on how
#brain
and
#body
interact. 🧠🕺
www.cell.com/current-biol...
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Marios Chatzigeorgiou
Society for Developmental Biology
3 months ago
Ascidians (Ciona intestinalis)🪸Our distant chordate cousins! 🌊 Simple sea squirts that reveal how vertebrate body plans evolved 🧬 A key model for notochord formation, neural induction, and cell lineage mapping 📸 Video by MBL Embryology 2019
#ModelMonday
#DevBio
#EvoDevo
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Pawel Burkhardt
3 months ago
First neurons didn’t appear overnight. We trace their roots to ancient secretory cells - showing how lifestyle & behavior shaped the evolution of first synapses.🧠🌊
#Evolution
#Neuroscience
Our latest in
@natrevneuro.nature.com
Link:
rdcu.be/eMX3E
@jeffcolgren.bsky.social
@msarscentre.bsky.social
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The evolutionary origins of synaptic proteins and their changing roles in different organisms across evolution
Nature Reviews Neuroscience - Recent studies have shed further light on the evolutionary origins of chemical synapses, In this Review, Colgren and Burkhardt explore how ancient proteins were...
https://rdcu.be/eMX3E
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Maria Sachkova
3 months ago
🪸 🪸 🪸 Postdoc position in my group at Bristol to study the role of venom in surviving environmental stress in corals! 🪸 Interested in venom biochemistry and coral ecology?Please apply by November 24!
@bristolbiosci.bsky.social
www.bristol.ac.uk/jobs/find/de...
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Lionel Christiaen, PhD (he/him/his)
3 months ago
See you all in
#BeautifulRoscoff
next Spring 🙌🏻
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Marios Chatzigeorgiou
Vengamanaidu Modepalli
3 months ago
📣 Fully-funded PhD opportunity in my Lab
@bristolbiosci.bsky.social
@bristoluni.bsky.social
🔬We will explore how coral larvae sense their environment and guide settlement. Check out the details! 👇
www.findaphd.com/phds/project...
#Coral
#SensoryEcology
#PhD
#MarineScience
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Emily Claereboudt
3 months ago
Tiny sea cucumbers, big mysteries! 🪱 Out sampling for my MSCA project SensHolo at the
@msarscentre.bsky.social
, at the University of Bergen, 🇳🇴— exploring how these mini echinoderms sense their world. Plus a few bonus echinoderms! 🌊✨
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Océane Tournière
3 months ago
Still can’t quite believe it 💫 I’ve received the L’Oréal-UNESCO For Women in Science “Jeunes Talents” France 2025 award! I’m so deeply honored — this recognition means so much to me, both as a scientist and as a woman who loves research. 💙🔬 1/3
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Kirsty Wan
3 months ago
Very sad to hear that Sir John Gurdon, former Master of Magdalene College, has passed away at the age of 92.
www.cam.ac.uk/research/new...
Here is a powerful reminder that you should never give up on your dreams.
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Marios Chatzigeorgiou
Michael Sars Centre
4 months ago
Huge congratulations to postdoc Guillaume Poncelet
@guillaumeponcelet.bsky.social
who was awarded a UiB Early Idea innovation grant 🤩🎉 Inspired by his work in the
@lionlchristiaen.bsky.social
lab, he will be developing a new product derived from naturally occurring compounds 🔬 Read more below ⤵️
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Michael Sars Centre researcher awarded UiB Idé innovation grant
Guillaume Poncelet, postdoctoral researcher in the Christiaen group, will receive funding from the UiB Idé innovation program to develop a novel product inspired by marine life.
https://tinyurl.com/UiBIde
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