Reposted by Jan Philippe de Haanworm @rfksbrainworm.bsky.social · 02/10/2026If you ever wondered why visible light is those particular wavelengths, it's because life evolved to see in the narrow range where water is transparent 10259681673
Reposted by Jan Philippe de HaanGabor Csardi @gaborcsardi.org · 14/09/2026New beta of #Rstats rig: LOTS of EXCITING stuff: - new: web site: rig.r-lib.org - new: user-mode R installation: rig.r-lib.org/admin-vs-use... - new: manage R packages (CRAN + git): rig.r-lib.org/pkg-guide.html - new: manage R projects and virtual environments: rig.r-lib.org/proj-guide.h...rig.r-lib.orgrig – the R Installation Manager – rig 34919
Reposted by Jan Philippe de HaanGavin Buckingham @drgbuckingham.bsky.social · 13/09/2026Pictorial cues to depth create a nice effect on this cabbage (found of Facebook) 45810
Reposted by Jan Philippe de HaanKevin M. Kruse @kevinmkruse.bsky.social · 02/09/2026Students who nod and smile during lecture when we try to make a point? Heroes 872464163
Reposted by Jan Philippe de HaanNiki Hubbard, PhD 🐙🦀 @nikihubbard.bsky.social · 30/03/2026Once upon a time I just admired nudis and sea slugs. But it was not enough. Now apparently I'm creating an R package to celebrate their colour palettes? 😅 First up, my Sydney fave, Hypselodoris bennetti. #rstats #nudibranch #dataviz 🦑🐙🧪 #marinelife #invertebrates 411493368
Reposted by Jan Philippe de HaanThomas Lin Pedersen @thomasp85.com · 17/08/2026Cut-outs from my posit::conf presentation 1212
Reposted by Jan Philippe de HaanMaria Meier @mariame.bsky.social · 06/07/2026Am Wochenende hat das @dgps.bsky.social Projekt zur Einheit und Vielfalt der Psychologie in Berlin getagt - es war eine tolle und intensive Zeit im Haus der Psychologie, mit Besuch der Geschäftsstelle und vielen neuen Ideen und Aha Momenten. Bin gespannt, was uns im Herbst in Göttingen erwartet! 051
Jan Philippe de Haan @janpdehaan.bsky.social · 06/07/2026Spent the weekend in Berlin locked into some incredible, active debates with the #DGPs young members project, followed by good food and even better company. A truly rich community that I am glad to be a part of! @dgps.bsky.social @mfjsperl.bsky.social @evagorbanenko.bsky.social 050
Reposted by Jan Philippe de HaanNature Portfolio @natureportfolio.nature.com · 06/07/2026Great apes may have been laughing with a similar rhythm to modern humans for at least 15 million years, suggests a study in Communications Biology. The findings also suggest that laughter has become faster, more variable, and increasingly influenced by the situation it occurs in. #evosky 🌎🧪go.nature.comRhythm and timing in laughter reveal that human vocal plasticity falls on a hominid continuum - Communications BiologyComparative analysis of laughter rhythm across all extant great apes reveals that isochrony is ancestral to hominids, with tempo, variability, and context-sensitivity increasing progressively toward humans, tracing a continuum of vocal plasticity. 23912
Reposted by Jan Philippe de HaanRyan Moulton @moultano.bsky.social · 19/06/2026I spent the last month obsessed with finding colors that can't be displayed on a conventional screen. This is what I found. moultano.wordpress.com/2026/06/19/w...moultano.wordpress.comWhere to Find the Colors Your Screen Can’t Show YouAn atlas of the vibrance of the real world 471129380
Reposted by Jan Philippe de HaanAkiyoshi Kitaoka @akiyoshikitaoka.bsky.social · 30/06/2026Chromostereopsis and stereo kinetic effect 17518
Reposted by Jan Philippe de HaanInstitute of Art and Ideas @iai.tv · 18/06/2026A recent study claimed that because we have similar structures of colour experience, these similar structures point to us all seeing the same colours. | bit.ly/4eTUwm7 Philosopher Keith Allen disagrees; even one instance of difference in a structure changes the relationships throughout it. 062
Reposted by Jan Philippe de HaanKonsta Happonen @konsta.happonen.eu · 08/06/2026DEH-plür. Because why not. #rstats 061
Reposted by Jan Philippe de HaanScience Magazine @science.org · 28/05/2026Researchers have identified superparamagnetic macrophages in the livers of rock pigeons to be crucial for magnetic sensing. The finding uncovers an unexpected role for immune cells in sensory perception and may fundamentally change our understanding of animal navigation. scim.ag/4nTQ3nq 12520196
Reposted by Jan Philippe de HaanJeremy Allen @jeremy-data.bsky.social · 09/05/2026I'm checking out the new packages pane in our #Positron IDE. Python or #RStats. The little blue arrows mean package updates are available. Search, sort, install, update, remove, and filter by category. More cool metadata coming in a future release. 4639
Reposted by Jan Philippe de HaanMarius 't Hart @thartbm.bsky.social · 21/04/2026And here's a movie of what the task looks like: 031
Reposted by Jan Philippe de HaanMichael Friendly @datavisfriendly.bsky.social · 20/04/2026#TodayinHistory #dataviz #OTD 📊 🎂Apr 19, 1801 Gustav Theodor Fechner born in Groß Särchen, Germany 🇩🇪 Oct 22, 1850: Fechner's Law: the subjective sensation is proportional to the log of stimulus intensity -- used as an early idea for accuracy of graphic elements -- length, angle, area,.. 152
Reposted by Jan Philippe de Haanlaurentfranckx.bsky.social @laurentfranckx.bsky.social · 09/04/2026 192
Reposted by Jan Philippe de HaanJohn Russell @drjohnrussell.com · 05/04/2026#30DayChartChallenge Day 5 - experimental I have always loved Florence Nightingale's rose diagram, doubly so since reading @infowetrust.com 's book. This diagram shows all ranked games within each category of @boardgamegeek.com, as well as top 500 & 100. Done in #rstats: github.com/drjohnrussel... 093
Reposted by Jan Philippe de HaanPascal Mamassian @mamassian.bsky.social · 16/03/2026Congratulations to Ian Thornton and colleagues who published their Mainz-Linez illusion in i-Perception (@pec-ipe.bsky.social): the red dots appears to wave left and right when one looks at one of the black dots, but they actually move straight journals.sagepub.com/doi/10.1177/... 28429
Reposted by Jan Philippe de HaanFabricio Nicola @fabricionicola.bsky.social · 14/03/2026Mammals have hundreds of joints and muscles. Controlling them individually would be nearly impossible. How does the nervous system organize such complexity into coherent actions? Our new study explores this question through a natural behavior: jumping. 47615
Reposted by Jan Philippe de HaanNew Scientist @newscientist.com · 09/03/2026Neuron-powered computer chips can now be easily programmed to play a first-person shooter game, bringing biological computers a step closer to useful applicationsnewscientist.comHuman brain cells on a chip learned to play Doom in a weekNeuron-powered computer chips can now be easily programmed to play a first-person shooter game, bringing biological computers a step closer to useful applications 032
Reposted by Jan Philippe de HaanSoziopolis @soziopolis.bsky.social · 08/03/2026Die Soziologie wurde schon in ihrer Frühphase maßgeblich von innovativen Wissenschaftlerinnen geprägt. Hier geht es zu den Porträts von Dorothy Edith Smith, Uta Gerhardt, Anna Julia Cooper, Herta Herzog, Jane Addams, Viola Klein und Florence Nightingale: www.soziopolis.de/dossier/die-... 0146
Reposted by Jan Philippe de HaanIPMB @ipmb-tubs.bsky.social · 05/03/2026Short trip to the world's largest computer museum! 🖥️✨ Our department visited the HNF. We covered everything from clay tablets to quantum computing. Thanks to @karolinem.bsky.social for organizing! 👏 Our heads are spinning with ideas on where to explore next.💡 #HNF #ComputerHistory 054
Reposted by Jan Philippe de HaanDr. Matthias F. J. Sperl @mfjsperl.bsky.social · 24/02/2026🧠 Mit dem @dgps.bsky.social JuMi-Projekt durften wir zu Gast an der @unileipzig.bsky.social sein. 🤩 Highlights: Führung durch den Wundt-Raum mit Erich Schröger & Austausch mit Cornelia Exner. 🤩 DANKE an @evalottabrakemeier.bsky.social und an @lubaumgaertner.bsky.social für den wunderbaren Empfang! 😊 083
Reposted by Jan Philippe de HaanPeter Gray @pgdataviz.bsky.social · 23/02/2026Me? I'm just happy to be here #rstats 312823
Reposted by Jan Philippe de HaanIPMB @ipmb-tubs.bsky.social · 23/02/2026Today was the last exam for our first semester students 😉 and this is what they got. Thanks for a great teaching experience! 032
Reposted by Jan Philippe de HaanKevin Mitchell @wiringthebrain.bsky.social · 21/02/2026The strongest version of this illusion I’ve seen! Absolute head-wrecker! 25388122
Reposted by Jan Philippe de HaanWendel van der Sluis @wendelvandersluis.bsky.social · 20/02/20262026 starts with curiosity! 🌍🐾 The first #Behaviour issue is now live: from cooperative fish and dog “smiles” 🐶 to humans in urban spaces 🏙️ – diverse species, methods & shared insights. Explore the full issue: brill.com/view/journal... 154
Jan Philippe de Haan @janpdehaan.bsky.social · 20/02/2026Arrived in Leipzig with @evagorbanenko.bsky.social 😌 Looking forward to the second meeting of the #DGPs young members project today!☀️ 061
Jan Philippe de Haan @janpdehaan.bsky.social · 18/02/2026Still my favourite book for a conceptual understanding of the formal principles behind multivariate models! Great for students without extensive mathematical training (e.g. psychology majors). 📐 "The Geometry of Multivariate Statistics" by Thomas D. Wickens www.taylorfrancis.com/books/mono/1...taylorfrancis.comThe Geometry of Multivariate Statistics | Thomas D. Wickens | Taylor &A traditional approach to developing multivariate statistical theory is algebraic. Sets of observations are represented by matrices, linear combinations are 023
Reposted by Jan Philippe de HaanAlex Rieger @alexr2.bsky.social · 18/02/2026Happy about our new paper with Anna Pöker, @janpdehaan.bsky.social and @frankeggert.bsky.social Applying a mathematical model from behavioural ecology to an interesting field context. 🐦 Open Access available at Behaviour: brill.com/view/journal... @ipmb-tubs.bsky.social 043
Reposted by Jan Philippe de HaanWendel van der Sluis @wendelvandersluis.bsky.social · 18/02/2026👀 Humans scan their environment in everyday life – but how much does context matter? A study observed 45 people in three urban spots: library, study house and refectory. Scanning was highest in the refectory, lowest in the library. @janpdehaan.bsky.social @frankeggert.bsky.social 141
Reposted by Jan Philippe de HaanQuanta Magazine @quantamagazine.org · 09/02/2026“A bird with a 10-gram brain is doing pretty much the same as a chimp with a 400-gram brain,” said Onur Güntürkün, who studies brain structures at Ruhr University Bochum in Germany. “How is it possible?”quantamagazine.orgIntelligence Evolved at Least Twice in Vertebrate Animals | Quanta MagazineComplex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence multiple times. 06729
Reposted by Jan Philippe de HaanMichael Friendly @datavisfriendly.bsky.social · 26/01/2026#dataviz #psychology Word Faces of Psychology -- one of the best uses of word clouds I've ever seen. Three lovely word clouds of pioneers of psychology using words from their major works. Chris Green (2018) Images of the disciplining of psychology, 1890–1940, DOI: 10.1080/14780887.2018.1429851 071
Reposted by Jan Philippe de HaanNew Scientist @newscientist.com · 26/01/2026The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a flood of sugar, and this may have evolutionary benefitsnewscientist.comBird retinas work without oxygen, and now scientists know howThe light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a flood of sugar, and this may have evolutionary benefits 0133
Reposted by Jan Philippe de HaanLibby Heeren @libbyheeren.bsky.social · 10/01/2026This is the most elite change in #Positron, it's so calming. #rstats #python #databs 1511412
Reposted by Jan Philippe de HaanRichard McElreath 🐈⬛ @rmcelreath.bsky.social · 09/12/2025I'm teaching Statistical Rethinking again starting Jan 2026. This time with live lectures, divided into Beginner and Experienced sections. Will be a lot more work for me, but I hope much better for students. I will record lectures & all will be found at this link: github.com/rmcelreath/s... 12660233
Jan Philippe de Haan @janpdehaan.bsky.social · 05/12/2025dreamrs.github.io/esquisse/ that sounds interesting for introductory methods courses!dreamrs.github.ioExplore and Visualize Your Data InteractivelyA shiny gadget to create ggplot2 figures interactively with drag-and-drop to map your variables to different aesthetics. You can quickly visualize your data accordingly to their type, export in variou... 001
Reposted by Jan Philippe de HaanScience News @scinews.bsky.social · 20/11/2025Handwritten notes are more useful for studying and committing to memory than typed notes, ultimately contributing to higher achievement for college students. link.springer.com/article/10.1... 23414
Reposted by Jan Philippe de HaanDr. Matthias F. J. Sperl @mfjsperl.bsky.social · 15/11/2025😍 Es war ein fulminanter Start in das Jungmitgliederprojekt zur Einheit und Vielfalt der Psychologie der @dgps.bsky.social in Würzburg, mit @evalottabrakemeier.bsky.social! 😍 Prof. Armin Stock führte uns durch das beeindruckende Zentrum für Geschichte der Psychologie an der @uni-wuerzburg.de🤩😊⬇️🧠. 1174
Jan Philippe de Haan @janpdehaan.bsky.social · 10/11/2025The first meeting of the #DGPs young members project on the unity and diversity of psychology in Würzburg was a resounding success! 🎉 I am happy to have met so many inspiring scientists, including our young members' representative @mfjsperl.bsky.social who organised this wonderful event. 061
Reposted by Jan Philippe de HaanPawel Burkhardt @pawelburkhardt.bsky.social · 27/10/2025First neurons didn’t appear overnight. We trace their roots to ancient secretory cells - showing how lifestyle & behavior shaped the evolution of first synapses.🧠🌊 #Evolution #Neuroscience Our latest in @natrevneuro.nature.com Link: rdcu.be/eMX3E @jeffcolgren.bsky.social @msarscentre.bsky.socialrdcu.beThe evolutionary origins of synaptic proteins and their changing roles in different organisms across evolutionNature Reviews Neuroscience - Recent studies have shed further light on the evolutionary origins of chemical synapses, In this Review, Colgren and Burkhardt explore how ancient proteins were... 4362139
Reposted by Jan Philippe de HaanKelsey Tyssowski @kelseytea.bsky.social · 22/10/2025🧠🌟🐭 Excited to share some of my postdoc work on the evolution of dexterity! We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have: (1) more corticospinal neurons (CSNs) (2) better hand dexterity (3) more dexterous climbing, which is linked to CSN number🧵 19380124
Reposted by Jan Philippe de HaanNicole Holzhauser @nicholzhauser.bsky.social · 14/10/2025Aktuell auf @soziopolis.bsky.social: Echte Gleichstellung: faire Arbeitsbedingungen, unbefristete Stellen, geteilte Verantwortung & gerechtere Strukturen für alle. Familienfreundlichkeit & Work-Life-Balance als Gegenentwurf zu grenzenloser Verfügbarkeit. www.soziopolis.de/dossier/wiss...soziopolis.deWissenschaftlerinnenZur Situation von Frauen in Academia 064
Jan Philippe de Haan @janpdehaan.bsky.social · 02/10/2025I had a great time at #FGME25 this week! A huge thank you to all organisers from Berlin. I met a lot of interesting people and the keynote of @bringmannlaura.bsky.social was truly inspiring! And: @alexr2.bsky.social and I presented some recent work with Anna Pöker and @frankeggert.bsky.social. 052
Reposted by Jan Philippe de HaanEline Van Geert @elinevg.bsky.social · 23/09/2025Here some other beautiful submissions! Thanks everyone for participating (including @janpdehaan.bsky.social)! For more info on OCTA and QIP: ℹ️https://elinevg.github.io/OCTA/ ℹ️https://aesthetics-toolbox.streamlit.app/ @gestaltrevision.bsky.social 031