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Josh Medrano

@jmedrano.bsky.social
327 followers 739 following 19 posts

Postdoc at UC Berkeley School of Education 🐻 studying math and executive functions // PhD in Human Development from Maryland 🐢 // Always a Buckeye 🌰

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Reposted by Josh Medrano
NPR's Planet Money @planetmoney.bsky.social · 09/09/2026
The economy is everything all at once right now. The stock market is on a heater. Unemployment is low. But 77% of Americans say they’re stressed about money. We asked how the economy is working for you? And it’s treating everyone very differently. buff.ly/9wR5fdf
npr.org
Extreme cost-cutting, quiet guilt from economic luck and the rise of the inflation generation : Planet Money
In this economy it is boom times and doom times all at once. The statistics aren’t really capturing it. K-shaped only goes so far as a metaphor. So … we asked you to help. And you delivered! One one…
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Gabe Waterhouse @gabrielwaterhouse.bsky.social · 05/01/2026
I am very excited to announce that over the holidays, my first ever paper (w/ @samiyousif.bsky.social) was published in Cognitive Science! Here, we describe a new illusion of *number*: The Crowd Size Illusion! onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
The “Crowd Size Illusion” and the Relativity of Number Perception
When we investigate busy visual scenes, how do we estimate the number of objects that we see? Most work on number perception answers this question by focusing on properties of the to-be-estimated set...
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Don Moynihan @donmoyn.bsky.social · 13/05/2026
New from @econroy.bsky.social at Can We Still Govern? FAFSA is a big deal for college access. Progress has been uneven, but over the last decade policymakers and a government team have made it significantly less burdensome. It is possible to fix things. 🧵 donmoynihan.substack.com/p/good-news-...
donmoynihan.substack.com
Good News! FAFSA is Actually Working
It is possible to fix burdensome administrative systems
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Mike Frank @mcxfrank.bsky.social · 20/04/2026
Just wrote a new blogpost trying to summarize my thoughts on the question of how and whether to use AI for research in psychology and cognitive science: babieslearninglanguage.blogspot.com/2026/04/usin...
babieslearninglanguage.blogspot.com
Using AI to improve (not automate away) academic research
Blog about fatherhood, langauge, developmental psychology, and cognitive science.
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The It's Innate! Podcast @theitsinnatepc.bsky.social · 19/03/2026
New ep! 🚨 We chat with Dr. Richard Prather (pratherlab.bsky.social) about his path into cognitive science, numerical development, & computational modeling—plus a deep dive into why the field needs a more 𝘤𝘳𝘪𝘵𝘪𝘤𝘢𝘭 approach & what that actually means for researchers today. itsinnate.fireside.fm/35
itsinnate.fireside.fm
A 𝗰𝗿𝗶𝘁𝗶𝗰𝗮𝗹 take on the cognitive sciences (with Richard Prather)
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Dana Miller-Cotto @damcotto.bsky.social · 21/03/2026
New paper from our lab, led by postdoc @jmedrano.bsky.social, on executive functions, spatial/relational reasoning and prior knowledge relate to children’s fraction understanding. Proud of Josh for leading this work! www.sciencedirect.com/science/arti...
sciencedirect.com
Executive functions and spatial/relational reasoning relate to individual differences in fraction understanding
Studies have shown the importance of executive functions (EFs) and spatial and relational reasoning for fraction understanding; however, few studies h…
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CoolenIlse @coolenilse.bsky.social · 19/03/2026
Are you studying underlying mechanisms? I recently started and struggled with what exactly a mechanism was and how to research it. I wrote a theoretical statement aiming to clarify how we conceptualise mechanisms, which is now in press @ Journal of Numerical Cognition doi.org/10.23668/psy...
doi.org
A theoretical position statement on mechanism underlying numerical cognition [Author Accepted Manuscript] | PsychArchives
PsychArchives is a disciplinary repository for psychological science and neighboring disciplines.
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UC Berkeley School of Education @berkeleyeducation.bsky.social · 12/01/2026
Thrilled for @ucberkeleyofficial.bsky.social undergrad Kiara Eng who is presenting at the 2026 @yale.edu Undergraduate Research Conference (YURC). Title is: "A Meta-Analysis of the Correlations Between Executive Functions and Spatial Abilities: Implications for Theory, Research, and Practice."
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Dana Miller-Cotto @damcotto.bsky.social · 14/01/2026
Congrats to Kiara! 🥳
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Josh Medrano @jmedrano.bsky.social · 14/12/2025
Honored to be included in this list! Our study (with @damcotto.bsky.social) examined how students ("capable problem solvers") may benefit from using scratch paper because they are able to offload information from their working memory and reintegrate it later.
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Dana Miller-Cotto @damcotto.bsky.social · 09/12/2025
Closed out another great year with the lab 🥳 Lab lunch 🍜 Grateful that I get to work with many brilliant minds everyday @berkeleyeducation.bsky.social
People sitting around a long rectangular table  smiling toward the camera.
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Rachel Romeo @rachelromeo.bsky.social · 16/10/2025
The @umdleadlab.bsky.social and the world lost a bright star this week. Victoria was such a kind, dedicated, and passionate person. She was one of my first students, helping me set up my lab from scratch, and I am honored to have worked with her. There aren't words for how much we will miss her. ❤️
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Flavia H Santos, PhD @flavinska.bsky.social · 15/10/2025
Hello #MCLS2026 !☘️ We are delighted to announce the dates for our upcoming conference in Padua, Italy! 🇮🇹 Thanks to the local organisers at Università di Padova S. Caviola, R. Rugani, M. Ranzini, and others @mcls-official.bsky.social @mclstrainee.bsky.social #neuroskyence #cogsci #edusky #devpsy
A sunset photo of Padua, Italy, depicting a panoramic view of the city reflected in the Bacchiglione River. In addition, the image includes dates, logos and conference location for 2026.
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Flavia H Santos, PhD @flavinska.bsky.social · 05/10/2025
Delighted to share the first article of Dr Sophie Leonard's doctoral thesis. We thank reviewers & editors of this exciting special issue for their great support! ☘️ #ProudSupervisor #neuroskyence #devpsych #cogsci #edusky @mclstrainee.bsky.social @mcls-official.bsky.social @ioe.bsky.social
article cover including publisher, DOI: 10.1007/s00426-025-02179-0, authors and title
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Dana Miller-Cotto @damcotto.bsky.social · 07/10/2025
🚨 New publication! Our registered report in Journal of Educational Psychology examines whether common executive function (EF) tasks demonstrated measurement invariance across racial/ethnic groups. Spoiler: they don’t. ⚠️ doi.org/10.1037/edu0...
doi.org
APA PsycNet
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Dana Miller-Cotto @damcotto.bsky.social · 07/10/2025
Today’s lab meeting was led by @berkeleyeducation.bsky.social grad students Jetta McPhee and Elise Levin-Guracar who offered to host a session for our undergraduates applying to grad programs this year (and beyond!).
Two people sitting at a table in front of a large projector with the title “Grad School: Demystifying The App Process”
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Josh Medrano @jmedrano.bsky.social · 21/08/2025
In a new pub, we examined subgroup differences in Asian American children, particularly 1) the diversity of math achievement and 2) what factors predict this diversity. Ultimately, we wanted to see whether the factors predicting math achievement is the same across subgroups. doi.org/10.1080/1040...
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Jenna Alton @jennaalton.bsky.social · 04/08/2025
In a second, we form expectations about the likely traits and behaviors of people we meet. How does this ability develop? How do others’ perceived gender factor into it? I’m thrilled to share a new paper now in press at Cognition with @andreicimpian.bsky.social and‪ @lucaspbutler.bsky.social. 1/6
drive.google.com
AltonCimpianButler_Cognition.pdf
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Richard M. Carpiano, PhD, MPH @rmcarpiano.medsky.social · 19/07/2025
Protest of Dr. Oz never tasted so good... "So, shame on Dr. Oz for suggesting that Medicaid & Medicare recipients shld avoid even the most meager of indulgences. Bc we all deserve to have our cake and eat it, too." Sociology Medsky 🛟😷 health policy
msnbc.com
Opinion | Don’t let Dr. Oz shame you into avoiding carrot cake
The U.S. has a long history of judging food choices, especially those of the poor.
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Dan Hyde @dchyde.bsky.social · 15/07/2025
Looking for another postdoc to work on preschool longitudinal fNIRS and ERP data-details here: publish.illinois.edu/danielchyde/...
publish.illinois.edu
Postdoctoral Scholar – Brain and Cognitive Development Lab
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Mary DePascale @marydepascale.bsky.social · 14/07/2025
✨New publication✨ The Role of Math Games for Children’s Early Math Learning: A Systematic Review doi.org/10.5964/jnc.... with @gbramani.bsky.social
doi.org
The Role of Math Games for Children’s Early Math Learning: A Systematic Review| Journal of Numerical Cognition
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Evie Vergauwe @evievergauwe.bsky.social · 30/06/2025
Postdoc position open in our #workingmemory lab! See here for more info: www.unige.ch/fapse/womcog...
unige.ch
Job Opening
Annonce d'ouverture de poste
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Mary DePascale @marydepascale.bsky.social · 17/06/2025
✨New publication✨ #MathActivities on #SocialMedia: Examining content, design, and alignment with mathematical cognition research doi.org/10.1016/j.ec... with Juyun Lee and Eric Dearing @ericdearing.bsky.social
doi.org
Redirecting
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The Cognitive Development Society (CDS) @cogdevsoc.bsky.social · 09/06/2025
📣📣 A recent paper by Nicole J. Stucke & Sabine Doebel in JCD: Will it Sink or Float? No Gender Differences in Five- to Seven-Year-Old Children’s Persistence on a Science Task www.tandfonline.com/doi/full/10....
tandfonline.com
Will it Sink or Float? No Gender Differences in Five- to Seven-Year-Old Children’s Persistence on a Science Task
Recent studies suggest that girls as young as 4 years of age in the US are affected by negative gender-science stereotypes and persist less than boys on science tasks. However to date, no studies h...
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The Cognitive Development Society (CDS) @cogdevsoc.bsky.social · 12/06/2025
📣📣 A recent paper by Nicholas A. Vest and colleagues: Does Focusing on the Unit of Change Help Children Learn Growing Pattern Skills? www.tandfonline.com/doi/full/10.... @nicholasvest.bsky.social @marthaalibali.bsky.social
tandfonline.com
Does Focusing on the Unit of Change Help Children Learn Growing Pattern Skills?
Children regularly encounter growing and decreasing patterns in songs, games, and daily routines. Over development, children learn to extend and abstract (i.e., recreate the pattern using different...
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Walt Ecton @waltecton.bsky.social · 30/05/2025
🚨Attention Job Seekers: We're hiring a quantitative researcher for a 1-year (possibly renewable for 2nd yr) position to study Career & Technical education! While not technically a postdoc, this would be a great fit for a recent PhD graduate! 🧵 careers.umich.edu/job_detail/2...
careers.umich.edu
Research Area Specialist Associate | U-M Careers
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Dr. Liz Kirby @thekirbylab.bsky.social · 30/05/2025
You may think summer is just starting but I promise you Fall is coming at us like a freight train. Do you need to teach neurosci to undergrads then? Check out this free book, funded by #NSF. Help level the playing field by keeping your course resources free to students.
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Josh Medrano @jmedrano.bsky.social · 28/05/2025
New publication with Svetha Mohan and @douglombardi.bsky.social on the role of executive functions in scientific thinking. In a scaffolding activity, adults shifted toward a more scientific (vs. non-scientific) stance, esp those with higher cognitive flexibility scores. doi.org/10.1080/0163...
doi.org
Cognitive flexibility moderates shifts in plausibility judgments of claims about climate change
The current study investigated whether making plausibility judgments relies on executive functions (EF), particularly inhibitory control, the ability to suppress irrelevant information, and cogniti...
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Chujun Lin @chujunlin.bsky.social · 21/05/2025
🥳Excited to share that I am joining Columbia July 2025 @columbiauniversity.bsky.social Looking for🚨lab managers🚨postdocs🚨grad students! Pls REPOST🙏 We study⭐️person perception⭐️social cognition using experimental, cross-cultural, & computational methods! App👉shorturl.at/5UVPl More👉shorturl.at/q18GM
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Daniel Gilbert @danielgilbert.bsky.social · 19/05/2025
Since 1954, "The Handbook of Social Psychology" has been the field’s most authoritative reference work, and today is the launch of the 6th edition with 50 new chapters by 100 leading scholars. Best news? The HSP is now an open-access public resource—free to read, download, and share. the-hsp.com
Cover of the Handbook of Social Psychology 6th edition 2025
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Luke Butler @lucaspbutler.bsky.social · 12/05/2025
So happy to see the official announcement of this generous gift to support the important work of our Maryland Democracy Initiative @umaryland.edu! Thrilled to continue my small part of this collaborative endeavor! today.umd.edu/a-vote-for-c...
today.umd.edu
A Vote for Civic Education
Gift to Maryland Democracy Initiative Supports Political Engagement, Literacy Efforts
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Nora Newcombe @noranewcombe.bsky.social · 29/04/2025
New from PSPI! www.psychologicalscience.org/news/2025-ap...
psychologicalscience.org
Science Explains How Children Best Learn Math—And Yes, Timed Practice Helps
A new report shows that children learn arithmetic most effectively when instruction combines conceptual understanding and timed practice.
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Rua M. Williams @fractalecho.bsky.social · 03/05/2025
If you're a grad student or an undergrad interested in research I need to you listen to me very carefully. You cannot learn to write good research papers if you do not read good research papers. Stop asking LLMs to summarize papers for you.
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Dana Miller-Cotto @damcotto.bsky.social · 09/05/2025
Year one in the lab at Berkeley is ✅ Excited to see what we’ll do in year 2. Onward!
A group of eight people posing on the grass.
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Josh Medrano @jmedrano.bsky.social · 09/05/2025
Also happy to announce a new publication with @damcotto.bsky.social at British Journal of Educational Psychology on whether working memory moderates the effect of fading (it didn't, but prior knowledge did; fading also had more benefits compared to other conditions). DOI: doi.org/10.1111/bjep...
screenshot of publication "Does working memory moderate the effect of fading on math performance?" at the British Journal of Educational Psychology
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Josh Medrano @jmedrano.bsky.social · 09/05/2025
Reunited with friends at #AERA2025 #SRCD2025 (Runzhi Chen from my time at UVA just defended at Illinois, @qiushan.bsky.social is finishing her first year as Asst Prof, Svetha Mohan is doing her dissertation at Tulane, and my fellow EdTerps are as usual being rockstars)
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Josh Medrano @jmedrano.bsky.social · 09/05/2025
Remember crossposting?
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Josh Medrano @jmedrano.bsky.social · 03/05/2025
Looking forward to sharing our work in today's symposium, entitled "Asian American Child and Youth Development: Contexts, Processes, and Outcomes" at #SRCD2025 #SRCD25 with Yoko Yamamoto, Tianlu Zhang, and Hua (Elaine) Luo
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Iris van Rooij 💭 @irisvanrooij.bsky.social · 04/04/2025
New 💫 Letter to the Editor in Cognitive Science, by @samhforbes.bsky.social & @olivia.science lnkd.in/eea8Cwmd
Title page of paper:

To Improve Literacy, Improve Equality in Education, not Large Language Models
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Michael W. Kraus @mwkraus.bsky.social · 23/04/2025
I am teaching my phd writing workshop course this quarter, question: are there any words/phrases said to you by an advisor/mentor that stuck with you, were memorable, or particularly helpful? If so please reply below!
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Carl Hendrick @carlhendrick.substack.com · 27/03/2025
Cognitive offloading (using scrap paper) doesn't just help students remember more, it helps them think more clearly, especially when tasks involve several steps.
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Ellen Roche @ellroche.bsky.social · 27/03/2025
I found an article she wrote in 2023 online (of course I can't get access to the digital full text). www.tandfonline.com/doi/full/10.... "Representation of refugee characters and experiences in children’s animated television: Missed opportunities and hopes"
Screenshot of a 2023 article from disappeared Tufts student Rumeysa Ozturk published in the Journal of Children and Media. Title: Representation of refugee characters and experiences in children’s animated television: Missed opportunities and hopes

Abstract: This commentary article focuses on the representation of refugee characters and experiences in children’s media in the US context. While increased attention is being paid to improving diversity and representation across various social groups, refugee voices remain invisible in the children’s media industry and academia. The article discusses the importance of improved refugee representation and how it can benefit refugee and local children. It highlights the considerations for creating children’s media content, such as intersectionality, developmental sensitivity, and stereotypes. It brings media examples and shares good practices for content creators who want to work towards improving refugee representation. Finally, the article emphasizes the importance of bringing children’s voices into content creation for changing and improving existing media narratives.
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Ellen Roche @ellroche.bsky.social · 27/03/2025
Disappeared Tufts Human Dev. PhD student Rumesya Ozturk is also a graduate of Teachers College - she’s a dev. psychologist studying children’s media & prosocial development. She also bakes without recipes and binge-watches cartoons. She is our colleague & she was abducted on the street w/ our tax $.
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Lauren Forrest @laurenforrest.bsky.social · 22/03/2025
1/x My NIH grant that would collect data to help *prevent suicidal thoughts and behaviors* among LGBTQ+ people was terminated today, along with many other LGBTQ+ focused grants. These terminations make no sense scientifically. Here's why:
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Dana Miller-Cotto @damcotto.bsky.social · 22/03/2025
New paper with @jmedrano.bsky.social. It’s the first experiment in a line of research testing working memory (our ability to hold and manipulate information for later use) theories in the context of math problem solving and learning. bpspsychub.onlinelibrary.wiley.com/doi/full/10....
bpspsychub.onlinelibrary.wiley.com
<em>British Journal of Educational Psychology</em> | Wiley Online Library
Background High working memory capacity is associated with improved mathematical problem-solving skills. A leading theory about why working memory enhances problem-solving suggests that capable prob.....
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Dana Miller-Cotto @damcotto.bsky.social · 14/03/2025
Please amplify!
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Lukas Mergele @lukasmergele.bsky.social · 09/01/2025
The 1906 San Francisco Fire was one of the largest urban fires in American history. @hannaschwank.bsky.social's excellent paper on its long-run consequences has sadly become very timely. Luckily we have learned some lessons (e.g. insurance more common), still an invaluable piece of research.
Abstract. Natural disasters are growing in frequency globally. Understanding how vulnerable populations respond to these disasters is essential for effective policy response. This paper explores the short- and long-run consequences of the 1906 San Francisco Fire, one of the largest urban fires in American history. Using linked Census records, I follow residents of San Francisco and their children from 1900 to 1940. Historical records suggest that exogenous factors such as wind and the availability of water determined where the fire stopped. I implement a spatial regression discontinuity design across the boundary of the razed area to identify the effect of the fire on those who lost their home to it. I find that in the short run, the fire displaced affected residents, forced them into lower paying occupations and out of entrepreneurship. Experiencing the disaster disrupted children’s school attendance and led to an average loss of six months of education. While most effects attenuated over time, the negative effect on business ownership persists even in 1940, 34 years after the fire. Therefore, my findings reject the hope for a “reversal of fortune” for the victims, in contrast to what is found for more recent natural disasters such as hurricane Katrina.
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Deon T. Benton @deontbenton.bsky.social · 19/12/2024
We're back with another conversation with a luminary! This time it's with Professor Fei Xu! Fun fact: This was Fei's first-ever podcast! How cool, right?!
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Kristoffer Magnusson @rpsychologist.com · 11/12/2024
Introducing PowerLMM.js! A new tool for power analysis of longitudinal linear mixed-effects models (LMMs) – with support for missing data, plus non-inferiority and equivalence tests. powerlmmjs.rpsychologist.com Would really appreciate your feedback as I refine this app! Details below 🧵👇
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Koraly @drkoraly.bsky.social · 21/11/2024
Special Issue at Developmental Psychology! New Approaches to Understanding How Early Experience Shapes Executive Function and Self-Regulation Skills Guest Editors: Sabine Doebel, Dana Miller-Cotto, and Jennifer McDermott @sabinedoebel.bsky.social @damcotto.bsky.social 1/3
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