Sign in

Josien

@joscience.bsky.social
763 followers 848 following 112 posts

#astrocytes fanatic. Studying the stars of the brain in sensory processing. Also SciCom, books, music and running.

PostsRepliesMedia
Reposted by Josien
Simon Kuestenmacher @simongerman600.bsky.social · 19/09/2026
Tell your boss that I gave you the week off so you can explore this amazing interactive map showing the road network of the Roman Empire. This is so much fun to explore you can compare the Ancient and Modern road network for example. Great stuff. Your boss will understand... Source: itiner-e.org
39932
Reposted by Josien
Estibaliz Gómez de Mariscal, PhD @gomez-mariscal.bsky.social · 18/09/2026
🚨Our work #ReScale4DL: balancing pixel and contextual information for enhanced bioimage segmentation, with @henriqueslab.bsky.social is out today!🚀 www.nature.com/articles/s41... ReScale4DL links key concepts in DL (receptive fields)+microscopy (resolution) so they can work #bettertogether😉 Threat👇
33920
Reposted by Josien
Matteo Carandini @carandinilab.net · 09/09/2026
If you thought "everything is everywhere" in the brain: inactivations reveal a clear distinction of labor. Sensory areas sense, colliculus promotes eligible actions (!), and prefrontal cortex integrates. The role of superior colliculus in a logistic decision www.biorxiv.org/content/10.6...
210532
Reposted by Josien
Misha Ahrens @mishaahrens.bsky.social · 09/09/2026
Whole-body cellular activity imaging in zebrafish, headed by Virginie Ruetten @vmsruetten.bsky.social - new paper is out: www.nature.com/articles/s41...
nature.com
Imaging cellular activity across all organs reveals body-wide circuits - Nature
An imaging system developed to record cellular activity throughout the whole body of zebrafish captures cellular organ dynamics and identifies multiple distributed circuits.
110341
Reposted by Josien
Steve Haddock @stevehaddock.bsky.social · 09/09/2026
One year ago, The Radiant Sea appeared in print! Still super happy with how it turned out. Our mission to share a different view of ocean life seems to have succeeded.💙 Named a top ten photography book of 2025 by @smithsonianmag.bsky.social, and many anecdotes from people who appreciated it. 🙏 🌊🧪🦑
04311
Reposted by Josien
Una Mullally @unamullally.bsky.social · 02/09/2026
The battle to keep global heating from passing the agreed 1.5-degree threshold has been lost. This should be an era when human ingenuity works to save the planet from catastrophe. Instead the tech broligarchy is busy embarking upon ludicrous AI data centre “infrastructure” fuelled by coal and gas.
irishtimes.com
Battle to halt global heating at 1.5 degrees is lost - UN
Focus must now switch to limiting extent of overshoot, says United Nations' climate report
10286154
Reposted by Josien
Dan Garisto @dangaristo.bsky.social · 25/08/2026
In May it was big news when 100+ suspicious images were found in Thermo Fisher's catalog. Now, that number has expanded dramatically to 18,000+, thanks to some arduous searching by @reeserichardson.bsky.social. My reporting on the massive trove and its implications for antibody reliability:
nature.com
More than 18,000 questionable images found in antibody catalogues of 15 companies
Science sleuth’s findings raise questions for researchers working to improve the reliability of commercial antibodies.
29365
Reposted by Josien
French Glial Cell Club @glialclub.bsky.social · 28/08/2026
A workshop for the astrocyte field, bringing together molecular, cellular, circuit and systems-level perspectives on astrocyte biology. An excellent opportunity to discuss emerging mechanisms, new tools and integrative approaches 📍 Porto, Portugal | 12–16 April 2027 #Astrocytes #Glia #Neuroscience
042
Josien @joscience.bsky.social · 26/08/2026
Water in the morning... Pick herbs in the morning... Lettuce is crispier in the morning... Okay but what if I want to be a 7pm instead of a 7am gardener?? #Gardening #PlantParent
000
Reposted by Josien
Mark Eli Kalderon @markelikalderon.bsky.social · 21/08/2026
I often think about precisely this
1296
Reposted by Josien
Nature @nature.com · 08/08/2026
Nature research paper: Amygdala astrocyte primary cilium mechanisms contribute to stress behaviours go.nature.com/3UiC3bT
go.nature.com
Amygdala astrocyte primary cilium mechanisms contribute to stress behaviours - Nature
Amygdala astrocyte primary cilia are disrupted during stress, and their restoration leads to improvements in stress-related behaviour in mice.
03111
Reposted by Josien
Our World in Data @ourworldindata.org · 03/08/2026
The largest cause of deforestation is, and has been, the expansion of farmland. But the production of which products, in particular, has been driving this in recent decades? A recent study, published in Nature Food by Chandrakant Singh and Martin Persson, answered this question.
412762
Reposted by Josien
Spencer LaVere Smith @spencerlaveresmith.bsky.social · 25/07/2026
Two-photon calcium imaging. What makes for good data? How can we optimize experiments to get good data? New post labrigger.com/blog/2026/07... and new free web apps from @filip-tomaska.bsky.social (1/8)
17321
Reposted by Josien
Guido Meijer @guidomeijer.com · 21/07/2026
I am happy to announce my very first senior author paper! Serotonin is known to abolish UP-DOWN state dynamics, which occur during sleep and anesthesia. There are several outstanding questions: What happens at short latencies? How widespread across the brain is it? 🧠 www.biorxiv.org/content/10.6...
biorxiv.org
Serotonin induces DOWN states across the anesthetized mouse forebrain
Serotonergic neurons in the dorsal raphe nucleus (DRN) project extensively throughout the forebrain, yet their influence on global network states remains controversial. Serotonin is implicated in regu...
1194
Reposted by Josien
Peter Rupprecht @ptrrupprecht.bsky.social · 30/06/2026
Happy to share that our paper is now out as a reviewed preprint : elifesciences.org/reviewed-pre...
elifesciences.org
Hippocampal neuronal and astrocytic responses to noradrenaline and natural arousal
1247
Reposted by Josien
Kay O. @k1970.bsky.social · 30/06/2026
17578291
Reposted by Josien
Science Magazine @science.org · 22/06/2026
These speedy, spiraling electrical waves may be key to the brain’s information flow. Learn more: scim.ag/4uK1WOw
3428
Reposted by Josien
Extreme Temperatures Around the World @extremetemps.bsky.social · 22/06/2026
In 3 centuries of European climatic history,There has never been anything like the insanity we ll see this week 38/39C UK & Benelux,45C France & Spain,39/41C Germany,Chekia,Slovakia,Poland,35/36 Scandinavia We won' t count the records,we will list the few lucky ones which won't
48843
Reposted by Josien
Extreme Temperatures Around the World @extremetemps.bsky.social · 21/06/2026
RECORD HEAT FROM ALGERIA TO GERMANY Some monthly records ALGERIA 44.0 Mostaganem 43.3 Maghnia 43.2 Tlemcen SPAIN 39.9 Zamora LUXEMBOURG NEW NATIONAL JUNE RECORD 37.0 Reckange GERMANY 37.2 Regensburg SWITZERLAND 36.6 Wurenlingen 36.3 Gosgen 36.2 Marsens 36.1 Buchs 35.4 Delemon
27379167
Reposted by Josien
Earl K. Miller @earlkmiller.bsky.social · 18/06/2026
Speedy, spiraling electrical waves may be key to brain’s information flow Rotating neuronal waves are built into brain anatomy and help coordinate far-flung regions, mouse imaging study suggests www.science.org/content/arti... #neuroscience
science.org
Speedy, spiraling electrical waves may be key to brain’s information flow
Rotating neuronal waves are built into brain anatomy and help coordinate far-flung regions, mouse imaging study suggests
35315
Reposted by Josien
Nature Methods @natmethods.nature.com · 15/06/2026
A lightweight head-mounted multiplane microscope allows simultaneous imaging of 1800 neurons in freely moving mice, sampled over weeks. www.nature.com/articles/s41...
nature.com
Simultaneous two- and three-photon multiplane imaging across cortical layers in freely moving mice - Nature Methods
A lightweight head-mounted multiplane microscope allows simultaneous imaging from >1,800 neurons spread across the cortical layers in freely moving mice performing complex behavioral tasks, sampled...
0153
Reposted by Josien
allen institute @alleninstitute.org · 13/06/2026
When @lndriscoll.bsky.social began her doctoral research at Harvard, her first task was to find the baseline of how specific neurons fired. Then the baseline kept moving. @dianakwon.bsky.social asked the researchers grappling with the brain's shifting code: go.nature.com/3RYKGHJ
0168
Reposted by Josien
Armelle Rancillac 🔬 @rancillac.bsky.social · 07/06/2026
Suite de l'affaire : le 9 juin au tribunal. Les violences commises contre les femmes et leur légitimité professionnelle sont-elles prises au sérieux par l'institution judiciaire, par les employeurs publics et plus largement dans notre société ? #Corbeau #Science #VSS #academia
https://www.liberation.fr/idees-et-debats/le-college-de-france-ses-chercheuses-son-corbeau-et-sa-camera-dans-les-toilettes-20230120_U6WE2INF5RAF5AL2PTVYZSGCCY/
184
Reposted by Josien
The Transmitter @thetransmitter.bsky.social · 05/06/2026
Differences stemmed from the way researchers defined concepts, to the algorithms they used to analyze the data, to the parameters they employed when implementing the algorithms, note @mattiachini.bsky.social and Gaelle Chapuis. #neuroskyence www.thetransmitter.org/reproducibil...
thetransmitter.org
18 teams analyzed a neuro dataset and got different answers
Disagreement in neuroscience runs deeper than most researchers suspect—even in electrophysiology, a field that prides itself on hard data.
0339
Reposted by Josien
Alex Galvez-Pol @alexgalvezpol.bsky.social · 02/06/2026
We are launching Interoception Circle! A new seminar series on embodiment, psychophysiology & body-brain coupling 1st online talk tomorrow: “What Role for Interoception in Perception? Evidence from Heartbeat-Evoked Potentials” (Marie Loescher) 3 June, 12pm CEST. All welcome! 🔗 ace2lab.com/2581-2/
33510
Reposted by Josien
Reese Richardson @reeserichardson.bsky.social · 28/05/2026
TL;DR: We've identified more than 100 cases of apparent manipulation in Thermo Fisher Scientific's antibody verification data. @sholtodavid.bsky.social @johanduchene.bsky.social reeserichardson.blog/2026/05/28/h...
reeserichardson.blog
How much of Thermo Fisher’s antibody data has been manipulated?
We’ve documented more than 100 instances of apparent data manipulation in Thermo’s catalog
23591312
Reposted by Josien
Tommaso Patriarchi @tpatriarchi.bsky.social · 23/05/2026
Absolutely stunning work: de novo designed miniproteins targeting GPCRs as potent agonists and antagonists. This opens countless possibilities for programmable signaling, cleaner therapeutics, and faster drug discovery. Protein design is coming for pharmacology. 🚀 doi.org/10.1038/s415...
doi.org
De novo design of miniproteins targeting GPCRs - Nature
Nature - De novo design of miniproteins targeting GPCRs
052
Reposted by Josien
Melissa Cooper, PhD @melcooperphd.bsky.social · 04/05/2026
Interested in finding your own astrocyte networks? The plasmid is now available on Addgene! www.addgene.org/252501/ Check out how we implemented it in this paper, published in Nature: www.nature.com/articles/s41... Need extra guidance? Watch this space for a more detailed protocol paper soon!
nature.com
Astrocytes connect specific brain regions through plastic networks - Nature
Communication between distant brain regions is mediated by plastic networks of gap junction-coupled astrocytes.
0329
Reposted by Josien
Jess Cardin @jess-cardin.bsky.social · 13/05/2026
Do brain circuits really sit in a 'soup' of neuromodulators? Are neurons like soggy bits of bread soaked in signaling factors? Is the whole brain just squelching around in one big pool of warm modulators?
48636
Reposted by Josien
Amelia Eisch 🧪🧠👩‍🔬 🐁 @eisch.bsky.social · 05/05/2026
1/ New preprint! 🧪With @talmo.bsky.social and team, we used deep learning on archival NASA video of mice on the ISS. Turns out mice in microgravity become tiny acrobats: huddling to sleep, doing backflips, even briefly generating their own ~1g. #SpaceBiology #OpenScience #NASA #SLEAP
biorxiv.org
65819
Reposted by Josien
Matthias Nau @matthiasnau.bsky.social · 04/05/2026
Awesome overview of open-access resources for anyone looking to create beautiful scientific figures and illustrations! 👇
02510
Josien @joscience.bsky.social · 01/05/2026
Crazy fact no. 1: butterflies can inherit memories over generations. Crazier fact no. 2: it has been discovered by a 10 year old!! He just wanted to know if his butterflies remembered him<3 #science #inspirational youtu.be/nhESxrqPjfU?...
youtu.be
Genius 10 Year Old's Research Shocks Scientists Around the World
YouTube video by A Curious Birb
040
Reposted by Josien
Anna Mazzola @annamazz.bsky.social · 01/05/2026
Some useful public speaking tips from Freud here.
13676041413
Reposted by Josien
Jonas Wietek @jwietek.bsky.social · 24/04/2026
Finally online @natmethods.nature.com www.nature.com/articles/s41... This was a fun collaboration with @finkryan.bsky.social @massecklab.bsky.social @tpatriarchi.bsky.social @martinfuhrmann.bsky.social @campbell-lab.bsky.social @jangrundemann.bsky.social 🧪🧠🔬🧬
nature.com
PinkyCaMP: an mScarlet-based calcium sensor with enhanced brightness, photostability and multiplexing capabilities - Nature Methods
PinkyCaMP is a red genetically encoded calcium indicator with improved brightness and photostability. Derived from mScarlet, it does not exhibit photoswitching upon blue light illumination and is ther...
58531
Reposted by Josien
Melissa Cooper, PhD @melcooperphd.bsky.social · 22/04/2026
Astrocytes do so much more than any of us thought - they even communicate among specific brain regions across hemispheres! The journey to this paper spanned nearly a decade, but I'm most excited to see what everyone else does with the tools we've built. There's so much for all of us to explore!
nature.com
Astrocytes connect specific brain regions through plastic networks - Nature
Communication between distant brain regions is mediated by plastic networks of gap&nbsp;junction-coupled astrocytes.
1016475
Reposted by Josien
Tommaso Patriarchi @tpatriarchi.bsky.social · 27/03/2026
Wait… localized norepinephrine transients in the awake visual cortex?! Who would have guessed this neuromodulatory signal is that spatially precise, right where visual processing is happening. Brain state control just got a lot more local. @ruedigersarah.bsky.social www.nature.com/articles/s41...
1110934
Reposted by Josien
Ross Williamson @rswilliamson.bsky.social · 03/04/2026
Excited to share a new paper from our lab, just in time for Easter, where we characterize how arousal modulates different excitatory cell-types in the auditory cortex! www.science.org/doi/10.1126/...
science.org
Pupil-linked arousal heterogeneously modulates cell-type–specific sensory processing
Two-photon imaging and pupillometry reveal how arousal modulates excitatory neuron subtypes in auditory cortex.
23310
Reposted by Josien
Ciaran Murphy-Royal @murphyroyallab.org · 02/04/2026
@thetransmitter.bsky.social is doing a lot of the heavy lifting these days, bringing attention to how astrocytes shape behaviour. Here's a nice list of their recent reports -
thetransmitter.org
Taking a closer look at astrocytes and autism
These glial cells are increasingly linked to neurodevelopmental conditions and the regulation of social behaviors and anxiety.
0157
Reposted by Josien
Jonjust @jonjust.bsky.social · 30/03/2026
Fellow humans, we are way past climate change, the satellite watching nerds snapped this yesterday and the consensus is. Holy shit lookout. The entire Earth is heating up faster than thought, and past any human intervention.
The earth is heating far faster than was known and is beyond any type of intervention. Good luck
1101073514
Reposted by Josien
Spencer LaVere Smith @spencerlaveresmith.bsky.social · 27/03/2026
This #FluorescenceFriday post is for those who do 2-photon calcium imaging. Make your videos pop! @filip-tomaska.bsky.social released code and a demo to make the neural activity in your videos clear. Code: github.com/ftomaska/roi... Video demo: youtu.be/my1CE9sn2FQ E.g.: bsky.app/profile/spen...
youtu.be
We made a blink-enhancing app for calcium imaging and you won't believe what happened next!
YouTube video by Filip Tomáška
192
Reposted by Josien
Ciaran Murphy-Royal @murphyroyallab.org · 24/03/2026
Incredibly proud of this paper led by @ossamaghenissa.bsky.social and @mathiasgua.bsky.social titled Basolateral 'Amygdala Astrocytes Encode Anxiety States'. www.cell.com/neuron/fullt... 🧵 below
cell.com
Basolateral amygdala astrocytes encode anxiety states
Ghenissa et al. provide evidence that basolateral amygdala astrocytes reliably encode anxiety states. Using simultaneous in vivo calcium recordings across an array of behavioral tasks, combined with g...
138728
Reposted by Josien
The Transmitter @thetransmitter.bsky.social · 24/03/2026
“Based on astrocytic activity alone, you can tell whether a mouse is in its comfort zone,” a new study suggests. By Holly Barker www.thetransmitter.org/spectrum/ast...
thetransmitter.org
Astrocytes in mouse amygdala encode emotional state
The glial cells’ activity reliably tracks with freezing, hesitancy and other behaviors reminiscent of anxiety.
0169
Reposted by Josien
Helen Barron @helencbarron.bsky.social · 20/03/2026
*** New paper from the lab in Nature Comms !! *** “Noradrenaline causes a spread of association in the hippocampal cognitive map” by the amazing @reneecabbage.bsky.social in collab. w labs of Jill O’Reilly, Will Clarke, and modeling from Prakriti Parthasarathy and @tpvogels.bsky.social, see below!
04915
Reposted by Josien
Network Glia | European Glia Meeting @gliameeting.bsky.social · 20/03/2026
Join the Achucarro International Glia School 2026! Participation is limited to 24 selected candidates. Deadline: March 31, 2026 (12:00) Details & application: www.achucarro.org/glia-school/glia-… Looking for more events in glial research: www.networkglia.eu/calendar
033
Reposted by Josien
Carsen Stringer @computingnature.bsky.social · 14/03/2026
#Cosyne2026 check out poster 3-104 by @atika-syeda.bsky.social to learn about the impact of behaviors on visual cortical activity 🧠 🐭
0212
Josien @joscience.bsky.social · 13/03/2026
Want to study visual maps in the mouse brain? Our protocol shows how to: • target visual cortex and superior colliculus • perform intrinsic optical imaging • use periodic stimulation to reduce acquisition time • reveal retinotopic and orientation maps • map ocular dominance doi.org/10.1016/j.xp...
sciencedirect.com
Protocol for recording visual maps in the mouse superior colliculus and visual cortex with intrinsic optical imaging
Intrinsic optical imaging (IOI) is a powerful approach to record visual-functional maps across the mouse superior colliculus (SC) and primary visual c…
010
Reposted by Josien
Neuron @cp-neuron.bsky.social · 12/02/2026
dlvr.it
Two-photon voltage imaging with rhodopsin-based sensors
Rhodopsin-based GEVIs were thought to lose voltage sensitivity with two-photon excitation, limiting their utility for deep in vivo imaging. We introduce Jarvis, a bright and photostable GEVI, and demonstrate that, along with pAce and Voltron2, it enables high-contrast two-photon voltage imaging and AP detection at kilohertz rates.
032
Reposted by Josien
The Transmitter @thetransmitter.bsky.social · 06/03/2026
In the first essay of our new neuro-education series, @eblancosuarez.bsky.social shares how she reimagined the traditional journal club course by developing a class in which students review preprints alongside the published papers that evolved from them. #neuroskyence bit.ly/4reKhg8
bit.ly
Let’s teach neuroscientists how to be thoughtful and fair reviewers
Blanco-Suárez revamped the traditional journal club by developing a course in which students peer review preprints alongside the published papers that evolved from them.
0135
Reposted by Josien
Ciaran Murphy-Royal @murphyroyallab.org · 04/03/2026
www.thetransmitter.org/spectrum/ast...
thetransmitter.org
Astrocytes orchestrate oxytocin’s social effects in mice
The cells amplify oxytocin—and may be responsible for sex differences in social behavior, two preprints find.
2206
Reposted by Josien
Science Magazine @science.org · 03/03/2026
A glimmer sparked by electrical fields has been detected in nature for the first time. Learn more: scim.ag/3OGhOlM
In a first, researchers film treetops glowing during thunderstorms
210529