Reposted by Saein LeeDuncan Stibbard Hawkes @dstibbardhawkes.bsky.social · 14/07/2026Children drive all sorts of things, including me, to distraction; but they also shape culture. Important theory piece. 0124
Reposted by Saein LeeRalf Kurvers @ralfkurvers.bsky.social · 15/06/2026New preprint led by @lucasmolleman.bsky.social investigates social information use across the human lifespan. Testing >40,000 participants aged 6-80 in museums in Berlin and Japan. psyarxiv.com/hec96 13921
Reposted by Saein LeeManuel Bohn @elmanubohn.bsky.social · 17/04/2026New 🦍 💭 paper in @psychscience.bsky.social We continue to ask simple questions that are hard to answer "Individual Differences in Great Ape Cognition Across Time and Domains: Stability, Structure, and Predictability" Bonus: Rasch models in the supplement 🤓 journals.sagepub.com/doi/10.1177/... 14418
Reposted by Saein LeeChuliang Song @clsong.com · 16/06/2026Spent the last two years developing a new Intro to Physics course for undergrad biology majors. It features tons of examples from biology (especially Ecology & Evolution!) and requires only middle school-level math. Lecture note here shorturl.at/0PiVp Any comments or feedback are highly welcome!drive.google.comphysics_for_biologists.pdf 312054
Reposted by Saein LeeDanai Papageorgiou @danaipapageorgiou.bsky.social · 17/06/2026This @noemamag.com article by Ryan Huling, author of Hidden Nations, beautifully covers our Nature Sustainability paper with @merikatariina.bsky.social and @birchlse.bsky.social! If you can’t access it, let me know 😉 doi.org/10.1038/s418...doi.orgProtecting animal cultures as World Heritage - Nature SustainabilityIt is becoming increasingly clear that animal cultures have intrinsic, irreplaceable value, and yet they are not adequately protected by preserving habitat. The time has come for UNESCO to explicitly ... 02011
Reposted by Saein LeeCedric Boeckx @cedricboeckx.bsky.social · 09/06/2026A very good read: “Recent progress in studies of the last million years of human physical and behavioural evolution” Review by @jamescolearch.bsky.social @elliescerri.bsky.social @matejahajdi.bsky.social @chrisbstringer.bsky.social 🧪💀 rai.onlinelibrary.wiley.com/doi/10.1111/...rai.onlinelibrary.wiley.comRecent progress in studies of the last million years of human physical and behavioural evolutionThis article presents a synthesis of recent developments in the study of human evolution over the past five years. It begins with an overview of hominin species nomenclature and diversity, followed b... 084
Reposted by Saein LeeDelphine De Moor @delphinedemoor.bsky.social · 07/06/2026Does it matter whether you use focal sampling or scan sampling to collect animal behaviour data? We used simulations to find out, testing how accurate and precise each method is across a range of behaviours, study systems, and observation protocols. 13417
Reposted by Saein LeeLauren Brent @ljnbrent.bsky.social · 03/06/2026New paper! We use simulations to test received wisdom on the observational sampling method to use and find that Altmann 1974 was right all along (never bet against Jeanne!). Focal follows capture rare, fleeting behaviours, scans captures long, common behaviours. www.sciencedirect.com/science/arti...sciencedirect.comObservation methods in animal behaviour: a simulation study of performanceMost behavioural studies rely on systematic behavioural sampling, as observing and recording all behavioural events that occur is rarely feasible. Cho… 24931
Reposted by Saein LeeMU-Peter Shimon 🀄 @mu-peter.bsky.social · 03/06/2026Chimpanzee culture beyond the conspicuous: Evidence for broad-scale observational social learning in wild individuals🧪 www.cell.com/iscience/ful... Suggests wild chimpanzees use peering to learn a wide variety of skills, thereby highlighting unrecognized cultural potential in everyday behaviors. 02213
Reposted by Saein LeeKai Caspar @nomascus.bsky.social · 31/05/2026New study on the evolution of primate cognition, brain size, sensory and motor functions, prompted by "recent work showing fishes perform as well as primates on various cognitive tests." 🐟🦍🧪 Great to see such broad comparative perspectives driving research. onlinelibrary.wiley.com/doi/10.1002/...onlinelibrary.wiley.comSensorimotor Complexity and Cognition as Predictors of Primate Brain SizeObjectives As animal brain size increases, cognitive performance generally increases. However, other key brain functions, such as the regulation of somatic processes, processing of sensory input, an... 14319
Reposted by Saein LeeRebecca Sear @rebeccasear.bsky.social · 29/04/2026“we analysed data for 1436 mammal species, confirming that group-living and pair-living species exhibit longer lifespans than solitary species…findings suggest that while group-living may reduce predation risk, pathogen transmission costs in larger groups may constrain longevity benefits”onlinelibrary.wiley.comSocial Organisation Predicts Lifespan in MammalsUsing Bayesian phylogenetic analyses of 1436 mammal species, we show that pair-living and group-living species have longer maximum lifespans than solitary species after accounting for body mass and p... 12715
Reposted by Saein LeeLaura Schlingloff-Nemecz @laurasn.bsky.social · 26/04/2026New preprint: "Social-information seeking in development: The child as experimental psychologist" (w/ Azzurra Ruggeri). osf.io/preprints/ps... We review literature on how children use their information-seeking and hypothesis-testing skills to learn about other agents, & ask whether...osf.ioOSF 13211
Saein Lee @saeinlee.bsky.social · 27/03/2026We’re conducting a short 5-minute survey to support the development of a practical tool for non-human primates welfare. Researchers, keepers, and vets in zoos, sanctuaries, and rescue centres: your input would be incredibly valuable. forms.gle/SPN7PHVPpzF5... Open until 10 April. Please share!forms.gleGlobal Survey on Non-Human Primate Welfare Monitoring and Research CollaborationWelcome to a survey for researchers, keepers, and veterinary staff to assess current practices, collaboration, and needs for monitoring non-human primate behavior and welfare. Your reply will be extre... 045
Reposted by Saein LeeJulia Bădescu @iuliabadescu.bsky.social · 21/10/2025Young chimps play weird with tools and other objects & this can lead to innovation! Moss sponging, doll play, leaf clipping to ask for carrying. If copied and retained, rare kid innovations can contribute to cultural complexity 🧪🔬🐵 My fav article I've ever worked on: www.nature.com/articles/s41... 28231
Saein Lee @saeinlee.bsky.social · 23/09/2025The FameLab Swiss final is happening tomorrow, 24th Sept at 6pm! Live stream www.youtube.com/live/jIc30Fq... In person, free entry in the Aula, 1st floor, PROGR in Bern (Waisenhauspl. 30, 3011 Bern). See you tomorrow 🤗 #famelab #sciencecommunication #talkingscience #primates #primatologyyoutube.comFameLab Final 2025YouTube video by FameLab Switzerland 010
Reposted by Saein LeeClaudio Tennie @ctennie.bsky.social · 27/08/2025Just in: insect application to wounds happens also in East African chimpanzees: share.google/WwKqxSy4t0e2...share.googleInsect applications to open wounds by chimpanzees in the wild: first insights from East African chimpanzees - Scientific ReportsScientific Reports - Insect applications to open wounds by chimpanzees in the wild: first insights from East African chimpanzees 1259
Reposted by Saein LeeStuart K Watson @chimpsahoi.bsky.social · 14/07/2025Important new work (from Elisa Bandini, @ctennie.bsky.social, @sofiaforss.bsky.social et al.) addressing an elephant in the room - how weird are our weirdest apes, and how is that skewing research efforts? onlinelibrary.wiley.com/doi/10.1111/... 0248
Reposted by Saein LeeThe Ramsey Lab @theramseylab.bsky.social · 02/07/2025🚨What is behavioral innovativeness? And how can we make sense of claims that individuals or taxa are 'more innovative' than others? In their new EJPS paper, Grant Ramsey & @andrameneganzin.bsky.social defend a novel, multidimensional & multilevel account of innovativeness.👇 #philsci #HPbio #evobio 1286
Reposted by Saein LeeJefferson García-Loor @jeffgarcialoor.bsky.social · 10/07/2025Hi everyone, happy to share with all of you the paper from the second chapter of my PhD, where we show that more exploratory birds use a broader foraging niche, linking consistent behavior with ecological flexibility. I hope you can enjoy it and share it!!! onlinelibrary.wiley.com/doi/10.1111/...onlinelibrary.wiley.comExploration Behavior Is Consistent and Associated With Foraging Behavior in Island SongbirdsWe tested the neophobia threshold hypothesis in six landbird species, including four Darwin's finches. Exploration behavior was consistent over time and contexts, with species exhibiting greater fora.... 04119
Reposted by Saein LeeDieter Lukas @dieterlukas.fediscience.org.ap.brid.gy · 08/07/2025Our #study finds that #male #dominance isn't the norm among #primates, and starts to unravel what shapes flexibility in intersexual power paper (OA) www.pnas.org/doi/10.1073/pnas.25004… press release www.mpg.de/24986976/0630-evan-beyon… 37550
Reposted by Saein LeeAngelo Romano @aromano.bsky.social · 09/07/2025🚨New article in Proc B: "Reciprocity evolves more readily in competitive than cooperative socio-ecologies" Using agent-based evolutionary models, we show that reciprocity emerges more reliably in competitive environments with high exploitation risk. 🔗 royalsocietypublishing.org/doi/10.1098/...royalsocietypublishing.orgReciprocity evolves more readily in competitive than cooperative socio-ecologies | Proceedings of the Royal Society B: Biological SciencesTracking what others did and matching other’s expected actions is seen across a range of biological systems. As reciprocal matching rewards and reinforces cooperators and punishes and discourages non-... 03715
Reposted by Saein LeeJoseph Feldblum @josephfeldblum.bsky.social · 02/07/2025We have a new paper out in @cp-iscience.bsky.social reporting that more socially integrated female chimpanzees have lower offspring mortality 🧪 #evosky #primates #primatology #anthropology www.sciencedirect.com/science/arti...sciencedirect.comSocially integrated female chimpanzees have lower offspring mortalityIn humans and other social mammals, more socially connected females often have higher fitness. Yet evidence linking female sociality to offspring surv… 57530
Reposted by Saein LeeAndrew King @shoalgroup.bsky.social · 03/06/2025New paper in @behavecol.bsky.social (link: academic.oup.com/beheco/advan...) led by PhD student @marcofele.bsky.social using hard-won data from our amazing baboon team. Our @swanseauni.bsky.social press release: www.swansea.ac.uk/press-office... We introduce the idea of a "social spandrel".....swansea.ac.ukBaboons walk in line for friendship, not survival, new study findsResearchers at Swansea University have discovered that baboons walk in lines, not for safety or strategy, but simply to stay close to their friends. 33819
Reposted by Saein LeeDr. Alexandra Witt @alexthewitty.bsky.social · 26/05/2025🚨CogSci preprint alert🚨 When you look at reviews, do you like to focus on positive or negative ones? @stepalminteri.bsky.social, @thecharleywu.bsky.social and I set out to investigate how learning rate biases differ between individual and social learning in our new study. osf.io/bcrw9_v2 🧵 below!osf.ioOSF 1246
Saein Lee @saeinlee.bsky.social · 22/05/2025Had a fantastic #pintofscience night in Baden! 🌟 Sharing stories of curiosity & sociality in humans and non-human primates with laughs, interactions, and great questions. This is why I do science communication to spark curiosity and make science joyful. 🐒 Massive thanks to organizers! 130
Saein Lee @saeinlee.bsky.social · 17/05/2025Great opportunity! If you are interested in it, please check the links below the original post. 020
Reposted by Saein LeeAlex Mesoudi @alexmesoudi.com · 14/05/2025Updated the reinforcement (+social) learning models in my cultural evolution agent-based modelling in R tutorial. Now uses cmdstan rather than rstan (and more importantly now works again). On github (Model 17): github.com/amesoudi/cul... and bookdown: bookdown.org/amesoudi/ABM... 0163
Reposted by Saein LeePint of Science Switzerland 🇨🇭 @pintofscience.ch · 13/05/2025Don't miss Pint of Science Switzerland. See you in... Baden! 📍Kulturhaus Royal - Baden, Bahnhofstrasse 39 📆20 May - 6.30PM 🎤Talks in 🇩🇪 and 🇬🇧 🎟️FREE ENTRY Program: pintofscience.ch/event/scienc... @pintsworld.bsky.social #PintCH #Pint25 @uzh-ch.bsky.social @fnhw.bsky.social 021
Reposted by Saein LeeTaï Chimpanzee Project @taichimpproject.bsky.social · 12/05/2025New paper alert 📢 Young wild chimpanzees from the @taichimpproject.bsky.social show attachment types with their mothers similar to human children. Only they do not display patterns related to disorganized attachment. Read our new paper in Nature Human Behavior www.nature.com/articles/s41...nature.comEvidence of organized but not disorganized attachment in wild Western chimpanzee offspring (Pan troglodytes verus) - Nature Human BehaviourThis study of 50 wild Western chimpanzee mother–offspring dyads revealed no evidence of disorganized attachment. Instead, offspring exhibited secure-like and insecure avoidant-like behaviours during t... 0118
Reposted by Saein LeeSheina Lew-Levy @sheinalew.bsky.social · 09/05/2025I'm THRILLED that our book is out. This book, with other 60 contributors from across the globe (!!!) is a love letter to the science we want to do, and a how-to guide for how to do it. Please read it and share it! 59039
Reposted by Saein LeeRobin Morrison @robinmorrison.bsky.social · 07/05/2025Thrilled to have the 1st project in my @snsf-ch.bsky.social Ambizione fellowship in @pnas.org this week. With Vic Martignac, @samellisq.bsky.social and @savinggorillas.bsky.social we asked what is a good social environment for a gorilla? And the answer was complicated... www.pnas.org/doi/10.1073/...pnas.orgGroup traits moderate the relationship between individual social traits and fitness in gorillas | PNASEvidence across a broad range of disciplines has demonstrated how individuals’ social environments can impact their health, lifespan, reproduction,... 23015
Reposted by Saein LeePBrakes @pbrakes.bsky.social · 02/05/2025phys.org/news/2025-05... Unravelling some of the complexity of animal cultures & conservation with @lucymaplin.bsky.social, @emma-carroll.bsky.social, Alison L Greggor, Andrew Whiten, @ellengarland.bsky.social & contributors to our theme issue doi.org/10.1098/rstb... @royalsocietypublishing.orgphys.orgAnimal culture recognized as key factor in new conservation strategiesExeter scientists are among those who have discovered many animals learn and pass on behaviors through social learning or culture, which could have important implications for conservation. 13010
Reposted by Saein LeeProf. Gillian Brown @gillianrbrown1.bsky.social · 02/05/2025Enjoyed reading @matteomameli.bsky.social's short book on 'human nature'. While I think that we should park the term 'human nature', Mameli correctly points out that how we think about 'human nature' influences how we think about ourselves. #philbio www.bloomsbury.com/uk/why-human...bloomsbury.comWhy Human Nature MattersDoes human nature constrain social and political change, or do social and political changes transform human nature? Why Human Nature Matters argues that the ans… 1133
Reposted by Saein LeeFriederike [freddy; she/her] Hillemann @fhillemann.bsky.social · 25/04/2025new preprint: ecoevorxiv.org/repository/view/9055 Code used in research is key to the methods and scientific output and we should ensure it’s not just "available" but easy to verify and build on. We present a practical tool to code review for scientists 🧪 work with @animalecol-nioo.bsky.socialecoevorxiv.orgCode review in practice: A checklist for computational reproducibility and collaborative research in ecology and evolution 05524
Reposted by Saein LeeZanna Clay @zannaclay.bsky.social · 01/05/2025Here's an article we did for @theconversation.com about our new study looking at #empathy in chimpanzees and bonobos, and why we need to move beyond stereotypes theconversation.com/our-ape-cous...theconversation.comOur ape cousins show us empathy has deep evolutionary roots – new researchIt may be time to move on from species stereotypes. 14711
Saein Lee @saeinlee.bsky.social · 26/04/2025New paper alert 🚨! Immature gibbons gradually develop their feeding behavior while taking the opportunity to socially learn from their mothers. Learn more by reading our paper! link.springer.com/article/10.1... #gibbon #sociallearning #ape #primateslink.springer.comDevelopmental Changes in Feeding Behavior and Maternal Influences in Wild Javan Gibbons (Hylobates moloch) - International Journal of PrimatologyImmature primates acquire skills through social learning from more experienced individuals. The needing-to-learn hypothesis posits that prolonged juvenility evolved to support such social learning und... 3195
Reposted by Saein LeeCharley Wu @thecharleywu.bsky.social · 25/04/2025🙌 Hot off the presses @natcomms.nature.com! We created a custom #Minecraft environment to study a long-standing puzzle in cognitive science: How do humans flexibly adapt their individual and social learning strategies in dynamic, realistic situations? Check it out 👉 www.nature.com/articles/s41... 🧵👇 817554
Reposted by Saein LeeZanna Clay @zannaclay.bsky.social · 25/04/2025New paper alert! - number 2 Social contagion underpins key elements of social interaction, including empathy & social learning. Here, we review research on primate social contagion and offer a unifying framework available open-access! 👇👇 w/ Georgia Sandars www.sciencedirect.com/science/arti...sciencedirect.comSocial contagion in primates: Moderating factors and significance for individuals and the groupSocial contagion, which involves behavioural and emotional state matching, is a crucial process for healthy social functioning. In humans as well as o… 1159
Reposted by Saein LeeApe Shit the zine for primates @monkeywire.bsky.social · 21/04/2025"Chimps don’t share food all the time, so this behaviour with fermented fruit might be important..."theguardian.comWild chimpanzees filmed by scientists bonding over alcoholic fruitFootage of apes consuming fermented breadfruit leads researchers to ask if it may shed light on origins of human feasting 0124
Reposted by Saein LeeEHBEA 2026 @ehbea2026.bsky.social · 17/04/2025Rounding out the session, we have a great talk by Saein Lee talking about #conformity & #prosociality! ➡️ Comparing tight vs loose: Tighter cultures show more prosociality, only for behaviours, not self-report! 🌏 #ehbea2025 #SocialNorms @saeinlee.bsky.social 042
Reposted by Saein LeePrimatology.net @primatology.net · 16/04/2025Bonobos refuse to cooperate when rewards are unfair, showing signs of inequity aversion. Their reactions hint at ancient roots of fairness in primate social life. #Anthropology #Primatology #Bonobos #Fairness #HumanEvolutionprimatology.netWhat Bonobos Can Teach Us About the Roots of FairnessA new study explores how one of our closest primate relatives reacts to unequal treatment—and what it might say about the origins of human morality. 063
Reposted by Saein LeeCedric Boeckx @cedricboeckx.bsky.social · 10/04/2025Excellent overview by @lukaskuderna.bsky.social highlighting the evolutionary insights that can be gained from complete ape genomes (fantastic resource paper in @nature.com just out) www.nature.com/articles/d41... “Complete sequencing of ape genomes”: www.nature.com/articles/s41... 🧪🧬nature.comComplete ape genomes offer a close-up view of human evolutionScientists have fully sequenced the genomes of six living ape species, enabling long-awaited comparisons of hard-to-assemble genomic regions. 091
Reposted by Saein LeeZach Garfield @zhgarfield.com · 06/04/2025A stellar new review on the natural history of sociality from Joan Silk: "Even in a world in which we can order groceries on the internet and work remotely, we depend on our connections to others for our well-being." nyaspubs.onlinelibrary.wiley.com/share/SETDFE... #Evolution #HBESnyaspubs.onlinelibrary.wiley.comThe natural history of social bondsYou have to enable JavaScript in your browser's settings in order to use the eReader. 1288
Reposted by Saein LeeAmmie Kalan @ammiekalan.bsky.social · 04/04/2025Happy to have a new piece in @science.org with my friend Lydia where we draw attention to the significance of animal material culture for understanding human technical evolution and why we should digitally preserve and protect primate tools and tool use sites. www.science.org/doi/10.1126/...science.orgSaving the cultural legacy of wild animalsLoss of biodiversity threatens the study of tool use and other cultural behaviors in animals 08332
Reposted by Saein LeeClaudio Tennie @ctennie.bsky.social · 03/04/2025New scientist article on the culture debate (paywalled): www.newscientist.com/article/mg26... Note that the title of the piece is a bit of a mismatch to the differentiating text [I imagine an editor chose the title, not the author].newscientist.comThe animals revealing why human culture isn't as special as we thoughtEven animals with very small brains turn out to have cultural traditions, which poses a puzzler for biologists wondering what makes human culture unique 1145
Reposted by Saein LeeOscar Nodé-Langlois @oscarnl.bsky.social · 29/03/2025New Paper Alert: Why do chimpanzees have large tool kits? with @taichimpproject.bsky.social www.nature.com/articles/s42... We found that like humans, chimpanzees seek social learning opportunities throughout their first decade of life, particularly for tool use.nature.comSocial tolerance and role model diversity increase tool use learning opportunities across chimpanzee ontogeny - Communications BiologySocial attention patterns suggest that wild chimpanzees learn from their mothers but also from many other tolerant group members across protracted development. This likely enables chimpanzees to learn... 1268
Reposted by Saein LeeAlexandra Rosati @alexrosati.bsky.social · 28/03/2025Check out our new paper about the #development of #metacognition in rhesus #monkeys, lead by Yiyun Huang! onlinelibrary.wiley.com/doi/full/10....onlinelibrary.wiley.comEarly Emergence of Metacognition in Rhesus MonkeysMetacognition, or monitoring and controlling one's knowledge, is a key feature of human cognition. Accumulating evidence shows that foundational forms of metacognition are already present in young in... 195
Reposted by Saein LeeTristan Yates @tristansyates.bsky.social · 20/03/2025Why do we not remember being a baby? One idea is that the hippocampus, which is essential for episodic memory in adults, is too immature to form individual memories in infancy. We tested this using awake infant fMRI, new in @science.org #ScienceResearch www.science.org/doi/10.1126/...science.orgHippocampal encoding of memories in human infantsHumans lack memories for specific events from the first few years of life. We investigated the mechanistic basis of this infantile amnesia by scanning the brains of awake infants with functional magne... 19481166
Reposted by Saein LeeClaudio Tennie @ctennie.bsky.social · 19/03/2025More on open endedness in human culture (see also e.g. here: arxiv.org/abs/2203.130...). But note: open ended culture wouldnt exist without (special) cumulative culture. Btw the first time I heard someone use this term in conjunction with human culture it was by Alex Kacelnik (maybe 2014? Unsure)arxiv.orgEvolved Open-Endedness in Cultural Evolution: A New Dimension in Open-Ended Evolution ResearchThe goal of Artificial Life research, as articulated by Chris Langton, is "to contribute to theoretical biology by locating life-as-we-know-it within the larger picture of life-as-it-could-be" (1989, ... 2299
Reposted by Saein LeeUniversity of California Press @ucpress.bsky.social · 17/03/2025Thanks to @salonnewsroom.bsky.social for the great excerpt from Nicole Karlis's YOUR BRAIN ON ALTRUISM: The Power of Connection and Community during Times of Crisis: "Primate and neuroscience studies tell us a lot about how evolution rewards kindness and cooperation": www.salon.com/2025/03/16/a...salon.comAltruism is actually a fantastic survival strategyPrimate and neuroscience studies tell us a lot about how evolution rewards kindness and cooperation 0123