This 1990 speech by Carl Sagan is timely times two: #war #climate

How does social influence shape collective outcomes? When does it lead to lock-in on inferior options? In our 🚨 new preprint 📝 osf.io/preprints/so... we make three contributions w/ @alexgelas.bsky.social Alex Jochim @leostnbrk.bsky.social Peter Steiglechner & @pantelispa.bsky.social 🧵1/4

1/ Why do inferior but popular things remain popular? Excited to share our new paper with @pantelispa.bsky.social, @glemens.bsky.social & @arnoutvanderijt.bsky.social "The marginal majority effect: When social influence produces lock-in" www.science.org/doi/epdf/10....

Four travel grants available for PhD students and postdocs to present their posters at the 13th Toulouse Economics and Biology Workshop! Apply by Feb 27th. www.iast.fr/conferences/...

I am hiring a postdoc for a DFF-funded project on social influence, and the decision processes that fuel rich-get-richer dynamics in the online/offline world. The position is for up to a year, competitive Danish salary, remote work possible. Interested or know somebody? DM me or share!

It is the time of the year when I tell you about my favorite post-doc ever 👇 Unless you are allergic to the French, this one sits up there with the Nuffield postdoc (life style, productivity, interdisciplinary stimulation). Share widely! Apply! #poliscky www.iast.fr/research-fel...

Go home evolution, you're drunk!

📣 We are excited (or should we say disgusted?) to announce the conference 'Disgust across borders' at IAST! @iast.fr 🗓️ Join us on Dec 4 & 5 for two days full of disgust research across species and disciplines. Registration and abstract submission are open (until Aug 31): forms.gle/QBmkUB3aLDjY...

As some of you guessed, the two models are statistically indistinguishable. The answer is Model 1, but there was no way to tell from the data. I was very surprised when I first saw this. Here we show that this confounding of heterogeneity and reinforcement is general: www.pnas.org/doi/10.1073/...

We are hiring postdocs in Computational Social Science 📍SweCSS, Norrköping, Sweden ⏰Deadline June 3 🔗https://liu.se/en/work-at-liu/vacancies/26854 Please apply // help us spread the word

Did Model 1 or Model 2 generate these sequences? Why? Model 1: Pólya urn, starting with one black and one red ball. 1 (0) stands for black (red). Model 2: Empty probit model, random intercepts with mean 0, ICC = 1/2. All 100,000 sequences here: tinyurl.com/35pkyfxa

📢 We're now on Bluesky! Follow us for insights on: 🧠 Interdisciplinary research 🎤 Talks, workshops & conferences 🎧 Podcasts 🧐 Science outreach #Science #Research #Interdisciplinary #IAST #Toulouse #AcademicLife

Science of Science in Copenhagen, June 2025 #scisci