Mine Kühn
@minekuhn.bsky.social
Assistant professor of Sociology at Tilburg University (NL), Research Fellow at the Max Planck Institute for Demographic Research (D); Sociologist/Demographer with an interest in (mental)health inequalities | family | life course | gender | social policy
Reposted by Mine Kühn
📢Job Offer‼️New Max Planck Research Group on Reproductive Ageing
Interview with D. Susie Lee 이수지 Leader of the Group:
https://www.demogr.mpg.de/go/RGRA
Job:
https://www.demogr.mpg.de/en/career_6122/jobs_fellowships_1910/postdoc_research_scientist_in_the_reproductive_ageing_research_group_14844/
Interview with D. Susie Lee 이수지 Leader of the Group:
https://www.demogr.mpg.de/go/RGRA
Job:
https://www.demogr.mpg.de/en/career_6122/jobs_fellowships_1910/postdoc_research_scientist_in_the_reproductive_ageing_research_group_14844/
November 19, 2025 at 10:01 AM
📢Job Offer‼️New Max Planck Research Group on Reproductive Ageing
Interview with D. Susie Lee 이수지 Leader of the Group:
https://www.demogr.mpg.de/go/RGRA
Job:
https://www.demogr.mpg.de/en/career_6122/jobs_fellowships_1910/postdoc_research_scientist_in_the_reproductive_ageing_research_group_14844/
Interview with D. Susie Lee 이수지 Leader of the Group:
https://www.demogr.mpg.de/go/RGRA
Job:
https://www.demogr.mpg.de/en/career_6122/jobs_fellowships_1910/postdoc_research_scientist_in_the_reproductive_ageing_research_group_14844/
Reposted by Mine Kühn
In “Single Parenthood, Gender & Mortality” @minekuhn.bsky.social @angelacar.bsky.social J Caputo, L Ahrenfeldt & @annaoksuzyan.bsky.social examine “variations in mortality by pathway into single p'hood" & other factors. @sociologytiu.bsky.social @mpidr.bsky.social read.dukeupress.edu/demography/a...
September 25, 2025 at 2:58 PM
In “Single Parenthood, Gender & Mortality” @minekuhn.bsky.social @angelacar.bsky.social J Caputo, L Ahrenfeldt & @annaoksuzyan.bsky.social examine “variations in mortality by pathway into single p'hood" & other factors. @sociologytiu.bsky.social @mpidr.bsky.social read.dukeupress.edu/demography/a...
I’m excited to share our new publication in @readdemography.bsky.social 🥳 written w/ @angelacar.bsky.social, J. Caputo, L. Ahrenfeldt, @annaoksuzyan.bsky.social
👉 Read the full paper here lnkd.in/enf3Duvg
@sociologytiu.bsky.social @mpidr.bsky.social
www.tilburguniversity.edu/current/pres...
👉 Read the full paper here lnkd.in/enf3Duvg
@sociologytiu.bsky.social @mpidr.bsky.social
www.tilburguniversity.edu/current/pres...
Study reveals elevated mortality risk for single parents, with single fathers at particularly high risk | Tilburg University
A new study by Tilburg University and the Max Planck Institute for Demographic Research reveals that single parents in Denmark face significantly higher mortality risks than their partnered counterpar...
www.tilburguniversity.edu
September 25, 2025 at 11:56 AM
I’m excited to share our new publication in @readdemography.bsky.social 🥳 written w/ @angelacar.bsky.social, J. Caputo, L. Ahrenfeldt, @annaoksuzyan.bsky.social
👉 Read the full paper here lnkd.in/enf3Duvg
@sociologytiu.bsky.social @mpidr.bsky.social
www.tilburguniversity.edu/current/pres...
👉 Read the full paper here lnkd.in/enf3Duvg
@sociologytiu.bsky.social @mpidr.bsky.social
www.tilburguniversity.edu/current/pres...
Reposted by Mine Kühn
New paper out in @jmfncfr.bsky.social with @minekuhn.bsky.social and @zjvanwinkle.bsky.social. We use (weighted) sequence complexity indices to estimate mental + physical health in mid-adulthood. Results (again) highlight the vulnerability of single mothers.
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
<em>Journal of Marriage and Family</em> | NCFR Family Science Journal | Wiley Online Library
Objective This study examines the association between accumulated family complexity and mental and physical health in mid-adulthood, with a focus on gender differences. Background While research o...
onlinelibrary.wiley.com
September 17, 2025 at 5:20 PM
New paper out in @jmfncfr.bsky.social with @minekuhn.bsky.social and @zjvanwinkle.bsky.social. We use (weighted) sequence complexity indices to estimate mental + physical health in mid-adulthood. Results (again) highlight the vulnerability of single mothers.
onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Mine Kühn
🎉🎊A week full of celebrations
✨Two ERC Starting Grants for the MPIDR✨
We are thrilled to announce that @marilianep.bsky.social and @ugobas.bsky.social have each been awarded with an ERC Starting Grant by the @erc.europa.eu. #ERCStG
www.demogr.mpg.de/en/news_even...
#ERCStartingGrant #longevity
✨Two ERC Starting Grants for the MPIDR✨
We are thrilled to announce that @marilianep.bsky.social and @ugobas.bsky.social have each been awarded with an ERC Starting Grant by the @erc.europa.eu. #ERCStG
www.demogr.mpg.de/en/news_even...
#ERCStartingGrant #longevity
September 4, 2025 at 10:24 AM
🎉🎊A week full of celebrations
✨Two ERC Starting Grants for the MPIDR✨
We are thrilled to announce that @marilianep.bsky.social and @ugobas.bsky.social have each been awarded with an ERC Starting Grant by the @erc.europa.eu. #ERCStG
www.demogr.mpg.de/en/news_even...
#ERCStartingGrant #longevity
✨Two ERC Starting Grants for the MPIDR✨
We are thrilled to announce that @marilianep.bsky.social and @ugobas.bsky.social have each been awarded with an ERC Starting Grant by the @erc.europa.eu. #ERCStG
www.demogr.mpg.de/en/news_even...
#ERCStartingGrant #longevity
Reposted by Mine Kühn
🎉Big news! My ERCStG proposal SOCDEBT has been selected for funding @erc.europa.eu!
📚I’ll study how household debt is stratified across countries & over time; how people strategize, evaluate, and morally judge debt(ors).
🙏I'm truly indebted to all my friends, colleagues & mentors for your support!
📚I’ll study how household debt is stratified across countries & over time; how people strategize, evaluate, and morally judge debt(ors).
🙏I'm truly indebted to all my friends, colleagues & mentors for your support!
The new ERC Starting Grant - funded projects include:
✴️ redefining false memories
✴️ making artificial touch feel more natural and realistic
✴️ how aging reshapes human tissues
✴️ ADHD in adults vs childhood
✴️ how plants shield from excessive sun exposure
Discover more 👉 buff.ly/APfNmCK
✴️ redefining false memories
✴️ making artificial touch feel more natural and realistic
✴️ how aging reshapes human tissues
✴️ ADHD in adults vs childhood
✴️ how plants shield from excessive sun exposure
Discover more 👉 buff.ly/APfNmCK
September 4, 2025 at 10:21 AM
🎉Big news! My ERCStG proposal SOCDEBT has been selected for funding @erc.europa.eu!
📚I’ll study how household debt is stratified across countries & over time; how people strategize, evaluate, and morally judge debt(ors).
🙏I'm truly indebted to all my friends, colleagues & mentors for your support!
📚I’ll study how household debt is stratified across countries & over time; how people strategize, evaluate, and morally judge debt(ors).
🙏I'm truly indebted to all my friends, colleagues & mentors for your support!
Reposted by Mine Kühn
Excited and grateful to launch my ERC project #SOCIO-CLIMP 🌍🌤️
The project explores how #ClimateChange and #EnvironmentalHazards unequally affect different socio-demographic groups 🧑🤝🧑 across Europe — combining spatial climate data with demographic detail to uncover patterns of #ClimateInjustice.
The project explores how #ClimateChange and #EnvironmentalHazards unequally affect different socio-demographic groups 🧑🤝🧑 across Europe — combining spatial climate data with demographic detail to uncover patterns of #ClimateInjustice.
📣 The ERC Starting Grant call results are out!
Find out which early-career researchers will receive funding this year, what they will be investigating, where they will be based... plus lots of other #ERCStG facts & figures for 2025!
➡️ buff.ly/IsafuFh
#FrontierResearch 🇪🇺#EUfunded #HorizonEurope
Find out which early-career researchers will receive funding this year, what they will be investigating, where they will be based... plus lots of other #ERCStG facts & figures for 2025!
➡️ buff.ly/IsafuFh
#FrontierResearch 🇪🇺#EUfunded #HorizonEurope
September 4, 2025 at 11:09 AM
Excited and grateful to launch my ERC project #SOCIO-CLIMP 🌍🌤️
The project explores how #ClimateChange and #EnvironmentalHazards unequally affect different socio-demographic groups 🧑🤝🧑 across Europe — combining spatial climate data with demographic detail to uncover patterns of #ClimateInjustice.
The project explores how #ClimateChange and #EnvironmentalHazards unequally affect different socio-demographic groups 🧑🤝🧑 across Europe — combining spatial climate data with demographic detail to uncover patterns of #ClimateInjustice.
Talked with @ruettenauer.bsky.social about environmental inequality-immigrant minorities face disproportionate exposure to air pollution in 🇩🇪 and 🇬🇧. I created this podcast for my Sustainability, Health, and Wellbeing students. Excited to share the discussion with them! 🎧💫
@sociologytiu.bsky.social
@sociologytiu.bsky.social
February 6, 2025 at 1:14 PM
Talked with @ruettenauer.bsky.social about environmental inequality-immigrant minorities face disproportionate exposure to air pollution in 🇩🇪 and 🇬🇧. I created this podcast for my Sustainability, Health, and Wellbeing students. Excited to share the discussion with them! 🎧💫
@sociologytiu.bsky.social
@sociologytiu.bsky.social
Reposted by Mine Kühn
Yesterday, our students had the opportunity to attend a Master Orientation Course.
💡 Questions? Feel free to reach out!
📌 For Sociology Master‘s Programs: Dr. Inge Sieben at [email protected]
📌 For the Research Master - Sociology Track: Dr. Mine Kühn at [email protected].
#Sociology #MasterPrograms
💡 Questions? Feel free to reach out!
📌 For Sociology Master‘s Programs: Dr. Inge Sieben at [email protected]
📌 For the Research Master - Sociology Track: Dr. Mine Kühn at [email protected].
#Sociology #MasterPrograms
January 29, 2025 at 1:32 PM
Yesterday, our students had the opportunity to attend a Master Orientation Course.
💡 Questions? Feel free to reach out!
📌 For Sociology Master‘s Programs: Dr. Inge Sieben at [email protected]
📌 For the Research Master - Sociology Track: Dr. Mine Kühn at [email protected].
#Sociology #MasterPrograms
💡 Questions? Feel free to reach out!
📌 For Sociology Master‘s Programs: Dr. Inge Sieben at [email protected]
📌 For the Research Master - Sociology Track: Dr. Mine Kühn at [email protected].
#Sociology #MasterPrograms
Reposted by Mine Kühn
📃 Did you see? 👀
We recently published "Selective re-partnering? Mental health and life satisfaction among separated single mothers in Germany and the UK" by @philippdierker.bsky.social, @minekuhn.bsky.social and Mikko Myrskylä.
Open Access 👇
journals.sagepub.com/doi/full/10....
#sociology
We recently published "Selective re-partnering? Mental health and life satisfaction among separated single mothers in Germany and the UK" by @philippdierker.bsky.social, @minekuhn.bsky.social and Mikko Myrskylä.
Open Access 👇
journals.sagepub.com/doi/full/10....
#sociology
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
journals.sagepub.com
January 27, 2025 at 10:22 AM
📃 Did you see? 👀
We recently published "Selective re-partnering? Mental health and life satisfaction among separated single mothers in Germany and the UK" by @philippdierker.bsky.social, @minekuhn.bsky.social and Mikko Myrskylä.
Open Access 👇
journals.sagepub.com/doi/full/10....
#sociology
We recently published "Selective re-partnering? Mental health and life satisfaction among separated single mothers in Germany and the UK" by @philippdierker.bsky.social, @minekuhn.bsky.social and Mikko Myrskylä.
Open Access 👇
journals.sagepub.com/doi/full/10....
#sociology
Reposted by Mine Kühn
Heute ist der 10. Familienbericht des @BMFSFJ erschienen.
@minekuhn.bsky.social kommt dazu heute in der @szde.bsky.social zu Wort. www.sueddeutsche.de/politik/fami...
Mehr Forschung zu Allein- & Getrennterziehenden:
www.demogr.mpg.de/go/neuepartner
oder www.demogr.mpg.de/go/erwerbstaetige_muetter
January 15, 2025 at 3:09 PM
Heute ist der 10. Familienbericht des @BMFSFJ erschienen.
@minekuhn.bsky.social kommt dazu heute in der @szde.bsky.social zu Wort. www.sueddeutsche.de/politik/fami...
Mehr Forschung zu Allein- & Getrennterziehenden:
www.demogr.mpg.de/go/neuepartner
oder www.demogr.mpg.de/go/erwerbstaetige_muetter
Reposted by Mine Kühn
New paper just out in @actasociologica.bsky.social with @minekuhn.bsky.social and Mikko Myrskylä, looking at the selective nature of re-partnering among single mothers in terms of their well-being in Germany and the UK. Read the paper here: journals.sagepub.com/doi/10.1177/...
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
journals.sagepub.com
January 8, 2025 at 1:44 PM
New paper just out in @actasociologica.bsky.social with @minekuhn.bsky.social and Mikko Myrskylä, looking at the selective nature of re-partnering among single mothers in terms of their well-being in Germany and the UK. Read the paper here: journals.sagepub.com/doi/10.1177/...
Reposted by Mine Kühn
@monika-schnitzer.com
sieht die Kinderbetreuung in Deutschland nicht auf Vollzeit arbeitende Eltern ausgerichtet. »Die Kitas sind viel zu wenige Stunden am Tag geöffnet, sie sind nicht zuverlässig, schließen zu viele Wochen im Jahr. Man kann sich auf die Kitas nicht verlassen«
sieht die Kinderbetreuung in Deutschland nicht auf Vollzeit arbeitende Eltern ausgerichtet. »Die Kitas sind viel zu wenige Stunden am Tag geöffnet, sie sind nicht zuverlässig, schließen zu viele Wochen im Jahr. Man kann sich auf die Kitas nicht verlassen«
Kita-Krise: Wirtschaftsweise kritisiert mangelnde Kinderbetreuung in Deutschland
Viele Frauen arbeiten Teilzeit, weil die Kinderbetreuung schlicht nicht funktioniert, sagt die Wirtschaftsweise Monika Schnitzer. Sie sieht auch Unternehmen in der Verantwortung.
www.spiegel.de
December 29, 2024 at 3:25 PM
@monika-schnitzer.com
sieht die Kinderbetreuung in Deutschland nicht auf Vollzeit arbeitende Eltern ausgerichtet. »Die Kitas sind viel zu wenige Stunden am Tag geöffnet, sie sind nicht zuverlässig, schließen zu viele Wochen im Jahr. Man kann sich auf die Kitas nicht verlassen«
sieht die Kinderbetreuung in Deutschland nicht auf Vollzeit arbeitende Eltern ausgerichtet. »Die Kitas sind viel zu wenige Stunden am Tag geöffnet, sie sind nicht zuverlässig, schließen zu viele Wochen im Jahr. Man kann sich auf die Kitas nicht verlassen«
Reposted by Mine Kühn
I made a Starter Pack!
But I got tired after 70 names. Intended to be inclusive of the #work-family adjacent and interdisciplinary
Reply if you'd like to be added and please RT
@wfrn.bsky.social @cwfjournal.bsky.social
go.bsky.app/63Jq944
#Sociology #Demography #hdfs #PoliSky #academicsky
But I got tired after 70 names. Intended to be inclusive of the #work-family adjacent and interdisciplinary
Reply if you'd like to be added and please RT
@wfrn.bsky.social @cwfjournal.bsky.social
go.bsky.app/63Jq944
#Sociology #Demography #hdfs #PoliSky #academicsky
November 15, 2024 at 12:57 AM
I made a Starter Pack!
But I got tired after 70 names. Intended to be inclusive of the #work-family adjacent and interdisciplinary
Reply if you'd like to be added and please RT
@wfrn.bsky.social @cwfjournal.bsky.social
go.bsky.app/63Jq944
#Sociology #Demography #hdfs #PoliSky #academicsky
But I got tired after 70 names. Intended to be inclusive of the #work-family adjacent and interdisciplinary
Reply if you'd like to be added and please RT
@wfrn.bsky.social @cwfjournal.bsky.social
go.bsky.app/63Jq944
#Sociology #Demography #hdfs #PoliSky #academicsky
Our @sociologytiu.bsky.social community is growing! Feel free to reach out if you’d like me to update the list.
December 13, 2024 at 8:34 PM
Our @sociologytiu.bsky.social community is growing! Feel free to reach out if you’d like me to update the list.
Reposted by Mine Kühn
Quantitative approaches for implementing #intersectionality theory in your work: a fantastic video on this by Prof Greta Bauer from a few years ago ⏬
#HealthInequality
www.youtube.com/watch?v=Wsnq...
#HealthInequality
www.youtube.com/watch?v=Wsnq...
Incorporating intersectionality into your quantitative research | Dr. Greta Bauer
YouTube video by CGSHE
www.youtube.com
November 21, 2024 at 9:56 AM
Quantitative approaches for implementing #intersectionality theory in your work: a fantastic video on this by Prof Greta Bauer from a few years ago ⏬
#HealthInequality
www.youtube.com/watch?v=Wsnq...
#HealthInequality
www.youtube.com/watch?v=Wsnq...
Reposted by Mine Kühn
Here's a starter pack of researchers at Max Planck Institute for Demographic Research:
go.bsky.app/4MjXqv8
go.bsky.app/4MjXqv8
November 16, 2024 at 12:48 PM
Here's a starter pack of researchers at Max Planck Institute for Demographic Research:
go.bsky.app/4MjXqv8
go.bsky.app/4MjXqv8
Reposted by Mine Kühn
Aaand this is why we need tractors!
After wks of organizing & clearly increasing momentum for a national protest against the billion+ in budget cuts to higher edu & research, the municipality of #Utrecht blocks the protest out of what they state are "safety concerns"...
This is heartbreaking. 🟥
After wks of organizing & clearly increasing momentum for a national protest against the billion+ in budget cuts to higher edu & research, the municipality of #Utrecht blocks the protest out of what they state are "safety concerns"...
This is heartbreaking. 🟥
November 13, 2024 at 2:15 PM
Aaand this is why we need tractors!
After wks of organizing & clearly increasing momentum for a national protest against the billion+ in budget cuts to higher edu & research, the municipality of #Utrecht blocks the protest out of what they state are "safety concerns"...
This is heartbreaking. 🟥
After wks of organizing & clearly increasing momentum for a national protest against the billion+ in budget cuts to higher edu & research, the municipality of #Utrecht blocks the protest out of what they state are "safety concerns"...
This is heartbreaking. 🟥
Reposted by Mine Kühn
Reposted by Mine Kühn
A current paper of @philippdierker.bsky.social & @minekuhn.bsky.social reveals: New partnerships can improve the life satisfaction of single moms,especially through increased financial resources.But a new partner doesn't usually bring relief around household chores. www.demogr.mpg.de/go/repartnering
MPIDR - New Partnerships Improve Life Satisfaction for Single Mothers
Single mothers often experience poorer mental health and lower life satisfaction due to increased stress, financial insecurity, and less support in everyday life. A study by the Max Planck Institute f...
www.demogr.mpg.de
July 22, 2024 at 6:52 AM
A current paper of @philippdierker.bsky.social & @minekuhn.bsky.social reveals: New partnerships can improve the life satisfaction of single moms,especially through increased financial resources.But a new partner doesn't usually bring relief around household chores. www.demogr.mpg.de/go/repartnering
PhD Alert 📣 We are seeking a PhD candidate to work on our interdisciplinary project focusing on women’s retirement trajectories and their impact on health 👩⚕️🕵️♀️👩💻👩🔧👩🚒
If you have questions or are interested, please reach out to me. Feel free to share this post!
If you have questions or are interested, please reach out to me. Feel free to share this post!
PhD vacancy at Tilburg University! Together with @minekuhn.bsky.social and Jeroen Vermunt, we are looking for a talented PhD candidate for the project ‘The Changing Landscape of Women’s Retirement: Physical and Mental Health Consequences of Working Longer’. Apply bf 26.06: tiu.nu/22309
Job opening: PhD researcher (22309)
tiu.nu
May 31, 2024 at 9:36 AM
PhD Alert 📣 We are seeking a PhD candidate to work on our interdisciplinary project focusing on women’s retirement trajectories and their impact on health 👩⚕️🕵️♀️👩💻👩🔧👩🚒
If you have questions or are interested, please reach out to me. Feel free to share this post!
If you have questions or are interested, please reach out to me. Feel free to share this post!
👏
Welcome Carla Rowold! Carla joins the teams of the Lab of Population Health and the Research Group Labor Demography. She will be working on the accumulation of work and family complexities over the life course.
Welcome, we are happy to work with you!
www.demogr.mpg.de/en/news_even...
Welcome, we are happy to work with you!
www.demogr.mpg.de/en/news_even...
April 12, 2024 at 8:30 AM
👏
Reposted by Mine Kühn
Still time to apply to work w/ me & amazing peeps
@oxforddemsci.bsky.social as a PostDoc on ERC
MORTAL project-deadline Jan 25!
We want YOUR unique expertise to help understand the biological & social determinants of #mortality. #Demography #EconSky #EpiSky don't be shy! tinyurl.com/ynnd735h
@oxforddemsci.bsky.social as a PostDoc on ERC
MORTAL project-deadline Jan 25!
We want YOUR unique expertise to help understand the biological & social determinants of #mortality. #Demography #EconSky #EpiSky don't be shy! tinyurl.com/ynnd735h
January 22, 2024 at 9:56 AM
Still time to apply to work w/ me & amazing peeps
@oxforddemsci.bsky.social as a PostDoc on ERC
MORTAL project-deadline Jan 25!
We want YOUR unique expertise to help understand the biological & social determinants of #mortality. #Demography #EconSky #EpiSky don't be shy! tinyurl.com/ynnd735h
@oxforddemsci.bsky.social as a PostDoc on ERC
MORTAL project-deadline Jan 25!
We want YOUR unique expertise to help understand the biological & social determinants of #mortality. #Demography #EconSky #EpiSky don't be shy! tinyurl.com/ynnd735h
Reposted by Mine Kühn
Out new paper on family structure changes and children’s stress was featured in DER WELT (GER), joint work w/ @minekuhn.bsky.social, @larabister.bsky.social, Tobias Vogt, Sandra Krapf.
Check out the corresponding podcast episode www.welt.de/podcasts/aha...
🚨 Paper will be out soon, stay tuned!
Check out the corresponding podcast episode www.welt.de/podcasts/aha...
🚨 Paper will be out soon, stay tuned!
Trennung: Wie sich die Erfahrung der Kinder auf das spätere Leben auswirkt - WELT
Kinder leiden lange an den Folgen einer Scheidung oder Trennung. Forscher können nach Experimenten nun ein hohes Stress-Level belegen. Eine der Expertinnen erklärt, was in der Studie gemessen wurde ...
www.welt.de
December 11, 2023 at 11:22 AM
Out new paper on family structure changes and children’s stress was featured in DER WELT (GER), joint work w/ @minekuhn.bsky.social, @larabister.bsky.social, Tobias Vogt, Sandra Krapf.
Check out the corresponding podcast episode www.welt.de/podcasts/aha...
🚨 Paper will be out soon, stay tuned!
Check out the corresponding podcast episode www.welt.de/podcasts/aha...
🚨 Paper will be out soon, stay tuned!
Reposted by Mine Kühn
This wk, @TilburgU Council discusses employee-proposed initiative urging the Board to champion ius promovendi expansion. We challenge the notion that a scholar's ability to be a PhD promotor is tied to a specific hierarchical rank. Let's recognize & reward skills! @academic-chatter.bsky.social
December 11, 2023 at 7:59 AM
This wk, @TilburgU Council discusses employee-proposed initiative urging the Board to champion ius promovendi expansion. We challenge the notion that a scholar's ability to be a PhD promotor is tied to a specific hierarchical rank. Let's recognize & reward skills! @academic-chatter.bsky.social