The Eurovision Song Contest is expanding across the Atlantic, with Canada set to compete at next year’s edition of the glitter-drenched pop music competition.

📣 New article out in @pnasnexus.org with Sascha Riaz and @heikekluever.bsky.social: “Temperature and aggression revisited: Evidence from 1 million amateur football matches” 🔍 Open access here: doi.org/10.1093/pnas...

Also finding it hard to keep up with new research? I built something to fix this. SciLove — swipe through recent papers in your field. The feed learns from your saves. Also matches you with researchers saving your work back (opt-out if you prefer). www.scilove.app 3,000+ journals, updated daily

Do far-right parties gain electoral support by embedding their members in sports clubs, cultural societies and volunteer fire brigades? Excited to present my research on far-right infiltration of civil society at #EPSS2026 tomorrow! 🗓️ Saturday, 3:20 - 5:00 pm 📍Broadway (Hilton)

On my way to the inaugural @epssnet.bsky.social conference in Belfast. I'm very much looking forward to presenting two papers! Paper I on party strategies in contested liberal democracies: 13:30-15:10, 20 June, Lagan B (Hilton)

So excited to be at the @epssnet.bsky.social Conference! Interested in the link between heat and everyday aggression, and what we can learn about it from one million amateur football matches? I'd love to see you there: 📅 19 June 🕥 9:00–10:40 📍 Meeting Room 2a (ICC) #EPSS2026

✨ Looking forward to welcoming the fabulous Jae Jae Spoon to our Politics Lecture Series at @humboldtuni.bsky.social tomorrow. 👇 Come and join us!

Dan Greaney, the Emmy-winning writer who wrote The Simpsons episode 'Bart To The Future', which “predicted” a Trump presidency 16 years before it happened, is now apparently running in 2028.

Many of you have asked me for a full-blown desktop version of SciLove. Here it is! 👇 My favorite part is the redesigned feed: now features a progress bar plus an article queue so you always know what’s next.

We have a new version of this paper out. The headline results are the same—political science must filter results heavily for statistical significance—but we've added many extensions and rewritten much of it in response to feedback (thank you!). A quick thread on updates 👇

Join us for a panel on party strategies in Germany’s 2026 super election year! 🗓️ 29 May 2026, 2–4 PM 📍 Senatssaal, HU Berlin 💬 Research insights + roundtable with guests from politics and civil society. Reception & networking afterwards. 🗣️ In German More info & sign-up: hu-govlab.de/events/

📢 We're hiring for my project RESPOL on residential mobility & electoral realignment 📍 University of Hamburg 📅 4y, 75% FTE 🔍 pol behavior, comp politics, regional inequalities 📊 quant, administrative & survey data Please share with talented MA students! 🔗 www.uni-hamburg.de/en/stellenan...

With conscription again under debate, @ivancanzio.bsky.social and I examined how conscription was institutionalized across 18 European countries and assessed how its suspension was associated with men’s early-career occupational placement.

If you think the world is too chaotic today, I would not recommend you to read Anthropic's new report about Claude Mythos, their newest large language model: www-cdn.anthropic.com/53566bf5440a...

🚨 Just shipped a major update to GERDA, the German Election Database. - State elections update: new years + mail-in - 3 new election types: Mayoral, County, European - Municipal elections: 1984-2025 - Meinungsbild public opinion - New website & features german-elections.com

🧵1/ Our first meta-science paper (with 350+ coauthors) is published today in Nature. It presents one of the largest-ever reproducibility projects in economics & political science. Here’s what we found 👇

I made a map of 3.4 million Bluesky users - see if you can find yourself! bluesky-map.theo.io I've seen some similar projects, but IMO this seems to better capture some of the fine-grained detail

A really nice figure of population and partisan malapportionment in national legislatures around the world from Beramendi, Boix, Guinjoan, and Rogers (yassified by The Economist) priceschool.usc.edu/wp-content/u...

📣 Does homophobia win elections? 🧵 1/4

Happy that our paper with @bogatyrev.bsky.social, @tabouchadi.bsky.social, @heikekluever.bsky.social, and @lstoetze.bsky.social found a home at @thejop.bsky.social. You can read it here 👇 www.journals.uchicago.edu/doi/10.1086/... Thanks to all the fantastic people giving feedback and supporting us

🌱 How do environmental protests affect public option? And what if they are disruptive? We have a 💫 new study 💫 out in the BJPS about public support for environmental protests. (cc @catherinedevries.bsky.social , @simonvanteutem.bsky.social ) Summary below 👇

#Cloudflare: generally a great service for owners of small, hobbyist sites. But today is a great reminder that having a handful of very large service providers goes against the grain of an *inter*-network of autonomous systems

Do you teach #rstats? Do your students complain about how lame and old-fashioned dplyr is? Don't worry: I have the solution for you: github.com/hadley/genzp.... genzplyr is dplyr, but bussin fr fr no cap.

More and more young people are turning to the far right. Why and what can we do about it? Join our #COVIDEU Workshop on Nov 21 (2–5 PM) to discuss causes and counter-strategies. 🚀 Hosted by @humboldt-govlab.bsky.social 💡 Funded by @volkswagenstiftung.de 👉 Register: tinyurl.com/bdenyfnw

TLDR; The PSF has made the decision to put our community and our shared diversity, equity, and inclusion values ahead of seeking $1.5M in new revenue. Please read and share. pyfound.blogspot.com/2025/10/NSF-... 🧵

🚀 Join us for a number of exciting talks in our Politics Lecture Series @humboldtuni.bsky.social!

📢 Call for Papers for EPSS 2026 conference in Belfast is out: epssnet.org/belfast-2026... We'll feature four sections this week to provide more information about the conference. 🔝 Judicial Politics + Public Policy & Administration + Migration Politics + Gender & Sexuality Politics 🧵

📣 Check out the latest post on @transformecon.bsky.social, a blog by @bertelsmannst.bsky.social. It's by researchers affiliated with Humboldt GovLab: @timwapps.bsky.social, @lstoetze.bsky.social, @heikekluever.bsky.social & @antvalentim.bsky.social. 🎉 🧵1/2

Want to do cutting-edge research in an ambitious and supportive environment *and* live in a diverse, exciting city with outstanding quality of life? Come join us at HU Berlin! If you have questions about the position or the city, do not hesitate to reach out.

🚨 Very excited to share that the call for papers for the EPSS annual conference in Belfast 2026 is live. 🔝 Lots of innovation to enrich the way we exchange ideas in political science in Europe. 🙏🏼 Sharing is caring!

1/ New paper out in Electoral Studies with @heikekluever.bsky.social and @cornelius-erfort.bsky.social We show that nuclear power plants reduce electoral support for Green parties in Germany. 🔗 www.sciencedirect.com/science/arti... A thread on the paper:

📣 It’s official – we launched the Humboldt Governance Lab! 📣 We use innovative methods to deliver evidence-based insights for policy-makers, public admin, and civil society – tackling the key challenges facing democracy today. 🌐 hu-govlab.de @humboldtuni.bsky.social

🚨 Big News for European Political Science 🚨 We’re thrilled to announce the launch of the European Political Science Society (EPSS): a new, member-led, not-for-profit association built to support our scholarly community. 🔗 epssnet.org Here’s a thread with everything you need to know. 🧵

Are tailored ads in political campaigns as persuasive as conventional wisdom holds? 📢 In joint work w/ @heikekluever.bsky.social we present evidence from a field experiment with the German Greens ahead of the 2024 European Elections calling this into question 🤔 #epsa2025 ⏰: Friday, 16:50 📍: 0A.10

Very excited to present my paper with @heikekluever.bsky.social on the consequences of far-right parties in government at #EPSA2025 on Friday! 🗓️ Friday 4:50-6:30 📍 Room 0A.06 | Panel P10-S253

🪧 New research 🪧 osf.io/preprints/os... Can protests move bystanders, people who observe protests without being part of the march? We conducted a 3-wave field experiment during real Fridays for Future (FFF) protests in Berlin. Here's what we found 🧵👇

🚨 NEW PUBLICATION! Who belongs to “the people” – and who does not? What a great way to start the week. I’m really happy that my article on populist in- and outgroup references is now out in @polstudies.bsky.social #openaccess 🔓 doi.org/10.1177/0032... 🧵 1/10

📢Come and join the Politics Lecture Series @humboldtuni.bsky.social Berlin next week: Kris-Stella Trump, JHU (@kstrump.bsky.social‬) "Perceptions of Income vs Wealth Inequality: A distinction without a difference?" When? Tuesday, June 17, 12pm Where? ISW #002 All welcome!

Fulbright board resigns citing interference by Trump administration reut.rs/402V1Ds

Follow the RRResRobot for interesting research references! 🤖

Lliuya v. RWE, the most spectacular climate litigation case in Germany, has been decided. Although the lawsuit was dismissed, the ruling is a major breakthrough for climate liability. PAUL GRIMM and JAN-ERIK SCHIRMER explain why it is a "success without victory": verfassungsblog.de/lliuya-rwe-c...

The Trump administration has ordered US embassies worldwide to immediately stop scheduling visa interviews for foreign students.

JUST IN: International students make up more than a quarter of Harvard University's student body. Harvard says the government's actions, which could cut off a major revenue stream, are "unlawful."

Online first: "Lipset and Rokkan meet data: the electoral structuring of traditional cleavages, 1870–1967" by Vincenco Emanuele & Bruno Marino. doi.org/10.1080/0140... Part of the forthcoming Special Issue "Cleavage Politics in Western Democracies"

🚨 Publication Alert 🚨 Do populists get “disenchanted” in office? We analyze if coalitions with populists are less stable than mainstream coalitions and find that indeed, populists coalitions have a high chance of early termination. But—it depends. New paper out👇🏻 academic.oup.com/pa/advance-a...

I am very excited to share a new working paper coauthored with @amaliaab.bsky.social. Using a field experiment, we find that, in the real world, it is more costly to express far-right preferences than other political preferences. osf.io/preprints/os... 1/8

📣 We are very excited to announce the next iteration of the Politics Lecture Series @humboldtuni.bsky.social for the summer term 2025 🥳 Come and join us for many exciting talks!

"This is not just an attack on academic freedom; it is a license to investigate individuals’ minds and consciences" Professor Jan Werner-Müller @jwmueller-pu.bsky.social writes for The Guardian. www.theguardian.com/commentisfre...

Out now! "GERDA: The German Election Database." GERDA provides comprehensive municipal, state, and federal election results at the municipality level between 1990 and 2021. www.nature.com/articles/s41...