Annenberg Professor of Natural Sciences, University of Pennsylvania
http://evolution.sas.upenn.edu/
Joshua B. Plotkin
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From diminishing returns to entrenchment: a unifying theory of epistasis along adaptive walks revealed by Fisher's geometric model https://www.biorxiv.org/content/10.64898/2026.05.07.723117v1
Amazon and eBay give star ratings for seller trustworthiness — but should we trust eBay?
Institutions that publicize reputations, from e-commerce to religious authorities, benefit from user participation.
Hiro Okabe studied how such institutions will behave.
www.pnas.org/doi/10.1073/...
And, here, in much more detail.
This is an absolutely critical read for all federally funded scientists and institutions.
Now is not the time to sit in the corner, hoping you won't be noticed - now is the time for action.
elizabethginexi.substack.com/p/summary-of...
Great Darwin Bay
Geirangerfjord
Storfjordan, Norway
Applications now open for the UNIL Summer School on Modelling for Evolutionary Biology (31 Aug–5 Sep 2026, Lausanne)!
For PhD & postdocs interested in formal approaches to evolutionary ecology (incl. social evo, life-history, species interactions).
Scholarships available, Pls RP! shorturl.at/fo1GA
🧵 New paper w/ Guillaume Cheikbossian: "Evolutionary branching of social preferences in a public good provision game" (ideas.repec.org/p/tse/wpaper...). Can behavioural heterogeneity in cooperation be an adaptive outcome? We think the answer is yes.
