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BK Lee

@letitbk.bsky.social
2.5K followers 668 following 32 posts

Assistant Professor of Sociology at NYU. I study social cohesion, health, and political polarization using LLMs, causal inference, and social network analysis. www.byungkyulee.com

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BK Lee @letitbk.bsky.social · 14/07/2026
Our team (Delia Baldassarri, Chris Barrie, and me) is hiring a Postdoctoral Associate at NYU! Join our project on social cohesion using neighborhood-based social media data, LLMs, and agent-based modeling. Starting Sept. 2026. Review begins Aug. 1. apply.interfolio.com/189355
apply.interfolio.com
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BK Lee @letitbk.bsky.social · 12/06/2026
I'm delighted to share that I’ve been promoted to Associate Professor with tenure! This would not have been possible without the generous support of my mentors, colleagues, friends, and family. Thank YOU all for your support. I am excited for a new journey ahead!!
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American Sociological Association @asanews.bsky.social · 26/03/2026
ASA members Byungkyu Lee @letitbk.bsky.social and Brea Perry have received lots of coverage @washingtonpost.com @nytimes.com for their recent study showing that difficult people in your social network might lead to faster biological aging. Here's a piece that's not paywalled: bit.ly/4dJsXwv.
bit.ly
That Difficult Person in Your Life Might Be Aging You Faster
New research found that hasslers, people who make your life harder, can accelerate biological aging
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Proceedings of the National Academy of Sciences @pnas.org · 03/03/2026
One of the most-viewed PNAS articles in the last week is “Negative social ties as emerging risk factors for accelerated aging, inflammation, and multimorbidity.” Explore the article here: ow.ly/V93x50YoKPE For more trending articles, visit ow.ly/4yS050YoKPJ.
Distribution of Age-Accelerated GrimAge2 and DunedinPACE across chronological age groups. This figure presents the distribution of Age-Accelerated GrimAge2 (Left) and DunedinPACE (Right) across different chronological age groups. Each box plot displays the median (black line), interquartile range (dark gray box), and overall data range (whiskers). The red vertical lines indicate the reference points: 0 for Age-Accelerated GrimAge2
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Sang Hoon Lee @lshlj.bsky.social · 19/02/2026
www.hani.co.kr/arti/science...
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BK Lee @letitbk.bsky.social · 19/02/2026
Happy to share our new paper published in PNAS! Using epigenetic clocks and egocentric network data, we find each additional "hassler" in your close social network is associated with ~9 months of extra biological age and 1.5% faster pace of aging.
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Chris Bail @chrisbail.bsky.social · 13/01/2026
We are hiring a post-doc to study the impact of AI agents on complex social systems in Duke's Society-Centered AI Initiative and/or the Polarization Lab! Apply here: academicjobsonline.org/ajo/jobs/314...
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Institute of Sociology · University of Bern @soziologie-unibe.bsky.social · 19/12/2025
New postdoc position in Computational Social Science (80%) at the Institute of Sociology, University of Bern. Part of the Digital Society Lab. Start April 2026. Apply by Jan 31, 2026. Official job posting: ohws.prospective.ch/public/v1/jo...
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Casey Breen @caseybreen.bsky.social · 19/11/2025
Our new paper develops and tests a network-based method for estimating death rates in complex humanitarian emergencies. Joint w/ @dennisfeehan.bsky.social and team from Geneva-based NGO @impact-initiatives.bsky.social academic.oup.com/aje/advance-...
academic.oup.com
Estimating death rates in complex humanitarian emergencies using the network survival method
Abstract. Reliable estimates of death rates in complex humanitarian emergencies are critical for assessing the severity of a crisis and for effectively all
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Casey Breen @caseybreen.bsky.social · 15/10/2025
New @pnas.org paper constructing subnational estimates of internet and mobile adoption by gender, including gender gaps, for 117 low- and middle- income countries from 2015 through 2025. www.pnas.org/doi/10.1073/...
pnas.org
Mapping subnational gender gaps in internet and mobile adoption using social media data | PNAS
The digital revolution has ushered in many societal and economic benefits. Yet access to digital technologies such as mobile phones and internet re...
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Sunnie S. Y. Kim ☀️ @sunniesuhyoung.bsky.social · 10/10/2025
Our Responsible AI team at Apple is looking for spring/summer 2026 PhD research interns! Please apply at jobs.apple.com/en-us/detail... and email rai-internship@group.apple.com. Do not send extra info (e.g., CV), just drop us a line so we can find your application in the central pool!
jobs.apple.com
Machine Learning / AI Internships - Jobs - Careers at Apple
Apply for a Machine Learning / AI Internships job at Apple. Read about the role and find out if it’s right for you.
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Charlie Rahal @crahal.com · 01/09/2025
🚨It's that exciting time of year!🚨 Our team has got TWO open DPhil (PhD) positions in #datascience + #health here at @oxforddemsci.bsky.social for 2026🎉! See for details: 1️⃣ 👉 crahal.com/HDS_2026.html 2️⃣ 👉 crahal.com/pophealth_2026.html Please share and help us to find our future teammates ❤️!
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Friedolin Merhout @fmerhout.bsky.social · 11/09/2025
Come join me in wonderful Copenhagen! 🇩🇰 My department is looking to fill at least two positions - any specialization and any level! The University of Copenhagen aims to be the best place for the best ideas. What’s yours? Apply by Nov 15.
jobportal.ku.dk
Call for two or more open-rank academic positions in Sociology
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LSE Methodology @lsemethodology.bsky.social · 11/09/2025
We're hiring an Assistant Professor in Computational Social Science ❗ 📚 jobs.lse.ac.uk/Vacancies/W/... Apply before 26 October and join an internationally outstanding group of social science methodologists 🌎
we're hiring assistant professor in computational social science, applications close 26/10/2025
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Daniel Tadmon @danieltadmon.bsky.social · 16/06/2025
✨New✨ postdoc opportunity to collaborate with @mollycopeland.bsky.social and myself on an exciting project on geography, community, and mental health at @ndsociology.bsky.social. Happy to talk to anyone interested. Please resky (or whatever retweeting is called here)! apply.interfolio.com/169206
apply.interfolio.com
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Dingeman Wiertz @dingemanwiertz.bsky.social · 14/06/2025
Hurray!
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Pew Research Center @pewresearch.org · 13/06/2025
Our survey of LGBTQ adults in the U.S. found that most who are married to or living with a same-sex spouse or partner (63%) say their relationship is going very well, and married respondents are especially likely to say this. www.pewresearch.org/...
Plot showing that married LGBTQ adults with a same-sex spouse or partner rate their relationship more highly than those living with a partner
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Tom VanHeuvelen @tvanheuvelen.bsky.social · 09/06/2025
Over at the blog, I write about a few interesting articles about place. Features of place matter for suicide rates. Features of place are really changing. asocial.substack.com/p/inequality...
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Sociology papers (journals + SocArXiv) @socpaperbot.bsky.social · 07/06/2025
Who polices which boundaries? How racial self-identification affects external classification osf.io/bhrdj This study explores whether Americans agree on the ethnoracial categories that are worth policing. It evaluates how receptive White, Black, Latino, and Asian Americans are to #sociology
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BK Lee @letitbk.bsky.social · 04/06/2025
I am happy to share the news that our paper received an Honorable Mention for the Best Publication Award from the Section on the Sociology of Mental Health, ASA, this year!!
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BK Lee @letitbk.bsky.social · 27/05/2025
"That one toxic friend" might be aging you faster! Our new working paper shows that negative social ties are common and linked to faster epigenetic aging, higher inflammation, and poorer mental and physical health. Link: www.medrxiv.org/content/10.1...
medrxiv.org
Associations Between Negative Social Ties and Accelerated Biological Aging, Inflammation, and Multiple Morbidities
Negative social ties, or "difficult ties," are pervasive yet understudied components of social networks that may accelerate biological aging and morbidity. Using ego-centric network data and DNA methy...
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medRxivpreprint @medrxivpreprint.bsky.social · 25/05/2025
Associations Between Negative Social Ties and Accelerated Biological Aging, Inflammation, and Multiple Morbidities www.medrxiv.org/content/10.1101/202…
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Alondra Nelson @alondra.bsky.social · 13/05/2025
"For me, the answer now lies in refusal, the withdrawal of participation from systems that require dishonesty as the price of belonging." Today I am resigning from the National Science Board and the Library of Congress Scholars Council. I wrote about my decision in TIME. time.com/7285045/resi...
time.com
Why I’m Resigning from the NSF and Library of Congress
I cannot participate in systems that require dishonesty as the price of belonging.
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Daniela Urbina J. @danielaurbinaj.bsky.social · 22/05/2025
New paper with Daria Tisch ‪(@dariatisch.bsky.social‬) on fairness perceptions of housework divisions using a multi-factorial experiment in the U.S., now out in one of my favorite journals––Gender and Society: doi.org/10.1177/0891...
doi.org
Perceived Fairness of Couples’ Division of Housework: Evidence From a Multi-Factorial Experiment in the United States - Daniela R. Urbina, Daria Tisch, 2025
Although the ratio of women’s to men’s housework hours has declined, women still spend more time than men doing household tasks in most high-income contexts. Th...
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Griffin Eckstein @gec.bsky.social · 10/04/2025
Marco Rubio says he alone can deport people for their “past, current, or expected beliefs”
salon.com
"Thought crimes": Rubio lays out government's justification for deportations based on "beliefs"
Rubio said that speech-based deportations were one part of the United States' fight against antisemitism
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Anny Chung (鍾彥儀) @yyachung.bsky.social · 26/03/2025
All she did was write an op-ed. That's it. One of my past mentees is a current international student at Tufts. This is absolutely terrifying.
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Bart Bonikowski @bartbonikowski.bsky.social · 21/03/2025
Shame. This is happening across essential institutions: media, Congress, law firms, & now universities. Instead of standing up to illegal authoritarian power grabs, they capitulate, hoping the threat will pass. It won’t. And as the rule of law & the constitutional order die, so does our democracy.
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Alexandria Ocasio-Cortez @aoc.bsky.social · 21/03/2025
We expected 2,000 people out in GOP-held Greeley, Colorado. 11,000 people showed up. Something special is happening, folks. Now is the time to organize in every dimension possible and get to work.
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Valerie Horsley @valeriejhorsley.bsky.social · 20/03/2025
Friendly reminder for faculty to join @aaup.bsky.social ! They are fighting for us and we should be members! www.aaup.org/membership/d...
aaup.org
Join
See dues rates categories based on your annual academic income. Show your support with a lifetime membership! Please contact membershipservices@aaup.org with any questions.
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Aura Bogado @aurabogado.bsky.social · 17/03/2025
A US-born citizen was walking near Chicago in January. ICE snatched him off the street, handcuffed him, threw into a van. His wallet, which contained his ID, was confiscated. He was detained for 10 hours before being released without a record of what occurred. immigrantjustice.org/sites/defaul...
A screenshot from a court filing reads, in part: 

"Julio Noriega is 54 years old, was born in Chicago, and is a U.S. citizen. 

On January 31, 2025, he was walking near the corner of Cermak Road and Harlem Avenue in Berwyn, Illinois, handing out his resume to local businesses. 

As he walked out of a Jiffy Lube, he was approached by ICE officers who grabbed and handcuffed him and put him into a van, without an opportunity to explain his citizenship. 

The officers drove Julio and others around for more than an hour before bringing him to an ICE processing center, where he remained, still handcuffed, for several more hours. 

All the while, Julio had a wallet containing identification that ICE had confiscated.

The officers never showed Julio a warrant, and they did not ask him any questions to ascertain whether he was a noncitizen or a flight risk. 

After about 10 hours, ICE officers reviewed the contents of Julio’s
wallet, realized he was a U.S. citizen, and released him with no money and no paperwork."
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William Gibson @greatdismal.bsky.social · 10/03/2025
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Jay 🦋 @jay.bsky.team · 10/03/2025
the feminine urge to
mashable.com
Bluesky CEO: imagine a 'world without Caesars'
Jay Graber dunks on Mark Zuckerberg without mentioning his name.
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Brendan Nyhan @brendannyhan.bsky.social · 04/03/2025
No one in DC can bargain in good faith with Trump because he will not follow laws passed by Congress. No one internationally can bargain in good faith with Trump because he will not respect agreements made by the United States. Being a counterparty just makes you a target for another shakedown.
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Bart Bonikowski @bartbonikowski.bsky.social · 01/03/2025
Garry Kasparov is right, I’m afraid: they are breaking everything so quickly even though it’s unpopular, because they never expect to face real elections again. www.theatlantic.com/internationa...
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Gina Neff @ginasue.bsky.social · 26/02/2025
Come work with me! 1 year postdoc opportunity to work with me on workers' roles in AI safety. Social science and participatory methods a must, experience working with trade unions a + More info & apply here --> qmul-jobs.tal.net/vx/mobile-0/...
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TristanBridges.bsky.social @tristanbridges.bsky.social · 23/02/2025
Shifts in LGBTQ+ identification in the U.S., Gallup 2024 update. inequalitybyinteriordesign.wordpress.com/2025/02/23/s...
inequalitybyinteriordesign.wordpress.com
Shifts in Gender and Sexual Identities in the U.S., 2024 Update
Every year since 2013, Gallup has released new data on the size and composition of the LGBTQ+ identifying population in the U.S. As in previous years, the 2024 data continue to reveal interesting t…
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Sung Kim @sungkim.bsky.social · 13/02/2025
Train your own reasoning LLM using DeepSeek's GRPO algorithm with our free notebook by @unsloth.bsky.social You'll transform Llama 3.1 (8B) to have chain-of-thought. Unsloth makes GRPO use 80% less VRAM. Guide: docs.unsloth.ai/basics/reaso... GitHub: github.com/unslothai/un...
docs.unsloth.ai
Reasoning - GRPO | Unsloth Documentation
Train your own DeepSeek-R1 reasoning model with Unsloth using GRPO which is a part of Reinforcement Learning (RL) fine-tuning.
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Marc Keuschnigg @marckeuschnigg.bsky.social · 12/02/2025
INAS 2025 at Columbia University: Don’t miss the February 17 deadline for abstract submission. inas.sociology.columbia.edu Organizers: Gerard Torrats-Espinosa & James Chu @womensforuminas.bsky.social
inas.sociology.columbia.edu
INAS 2025 Conference
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Dylan Freedman @dylanfreedman.nytimes.com · 09/02/2025
Top comment on the recent NYT story on DOGE’s young aides www.nytimes.com/shared/comme...
Goran
World - yesterday

As someone who grew up under an authoritarian regime, I can offer one crucial piece of advice: time is everything. If you don’t stand up now—if you don’t protest, resist, disrupt, and refuse to comply—you may lose your country forever. Authoritarianism thrives on silence, hesitation, and fear. The longer people wait, the more entrenched the regime becomes, making resistance exponentially harder. Every moment of inaction is a moment the regime uses to tighten its grip. History has shown that those who act early have the best chance of reclaiming their freedom. The time to fight back is now.
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Carl T. Bergstrom @carlbergstrom.com · 08/02/2025
1. Today the NIH director issued a new directive slashing overhead rates to 15%. I want to provide some context on what that means and why it matters. grants.nih.gov/grants/guide...
grants.nih.gov
NOT-OD-25-068: Supplemental Guidance to the 2024 NIH Grants Policy Statement: Indirect Cost Rates
NIH Funding Opportunities and Notices in the NIH Guide for Grants and Contracts: Supplemental Guidance to the 2024 NIH Grants Policy Statement: Indirect Cost Rates NOT-OD-25-068. OD
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Alexandria Ocasio-Cortez @aoc.bsky.social · 07/02/2025
Hell yeah. Hold the line. This is what we need people to do. Slow things down, don’t comply in advance so the courts have time to stop them. It’s starting to work.
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Ami Fields-Meyer @fieldsmeyer.com · 06/02/2025
1/ I suspect we are days away from hearing Elon is "using AI" to “streamline” benefits programs. You should know why fully automating decisions about who gets critical assistance is a terrible idea that will have disastrous consequences. A 🧵 based on work I’ve done with the great @awhf.bsky.social
nytimes.com
Musk Allies Discuss Deploying A.I. to Find Budget Savings
A top official at the General Services Administration said artificial intelligence could be used to identify waste and redundancies in federal contracts.
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Darby Saxbe @darbysaxbe.bsky.social · 04/02/2025
🚨BREAKING. From a program officer at the National Science Foundation, a list of keywords that can cause a grant to be pulled. I will be sharing screenshots of these keywords along with a decision tree. Please share widely. This is a crisis for academic freedom & science.
list of banned keywords
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Pam Herd @pamherd.bsky.social · 02/02/2025
KFF has some of the best work out there on federal health policy, thrilled to see them protecting access to the federal health data we rely on to do robust policy analysis on programs like Medicare and Medicaid
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Alt CDC (they/them) @altcdc.altgov.info · 01/02/2025
The entire archive of CDC datasets can be found here. HUGE shoutout to data archivists- this work is important 👏🙌🏻 archive.org/details/2025...
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Ana Crisan @amcrisan.bsky.social · 03/01/2025
This term I'll be teaching a graduate course on Human-AI Interaction. Check out the reading list and let me know if I am missing any of your favorites: docs.google.com/document/d/1... #HAI #Human-AI #HumanComputerInteraction
docs.google.com
CS 889 - W25
[ CS 889 | W 2025] University of Waterloo © Anamaria Crisan (2025) Interfaces for Human-AI Interaction CS889 // Winter 2025 Instructor: Anamaria Crisan (ana.crisan@uwaterloo.ca) Location: TBD Off...
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