Caley Orr @caleyorr.bsky.social · 19/09/2026science.orgProportional limb strengths signal an adaptive shift in arboreality in early human evolutionHow much arboreality characterized the Australopithecus locomotor repertoire and how this differed from early Homo are vigorously debated. Most previous studies rely on traits of uncertain functional ... 041
Caley Orr @caleyorr.bsky.social · 18/09/2026African apes--still quite informative about the ancestral hominin anatomy, despite persistent rumors otherwise. Our new paper out now led by the talented Dr. Laura Hunter.onlinelibrary.wiley.comAfrican ape carpal morphology is not too specialized to represent the ancestral hominin carpusKnuckle walking is one hypothesized behavior of the Pan-Homo last common ancestor. We analyzed carpal morphology, including Euclidean distances between behavioral pairs, to investigate whether the ca... 142
Caley Orr @caleyorr.bsky.social · 10/09/2026Revealing Denisovan anatomy bit by bit. The proximal radius doesn't tell us a lot about the postcranial skeleton, but it has a few helpful little clues.nature.comAncient proteins identify various Denisovan remains from Southwest China - NatureIdentification and proteomic analysis of bone fragments and teeth from an excavation in Southwest China provide insight into the evolution and phenotype of Denisovans and fill a geographical gap in th... 030
Caley Orr @caleyorr.bsky.social · 09/09/2026phys.org'Heel-strike' may have allowed early humans to walk farther—at the cost of high-impact forcesThe average person takes thousands of steps each day, instinctively walking heel-to-toe. Although they hardly register them, those consistent heel-first strides are more distinctive to humans than pre... 021
Caley Orr @caleyorr.bsky.social · 09/09/2026newsweek.comBombshell Great Pyramid of Giza study retractedA journal found 'serious flaws' in research behind viral claims of an underground city beneath the Giza pyramids. 020
Reposted by Caley OrrLive Science @livescience.com · 28/08/2026Strange 'hobbit' species walked more like us than like 'Lucy,' hip bones reveal www.livescience.com/archaeology/...livescience.comStrange 'hobbit' species walked more like us than like 'Lucy,' hip bones revealAnthropologists studying the hip bones of Homo floresiensis have discovered that its pelvis was human-like, raising new questions about the origin of the enigmatic species. 1215
Caley Orr @caleyorr.bsky.social · 28/08/2026🏺🦣 Ancient Adriatic: in 2027, our team will run CU Denver's new archaeological fieldschool on the Island of Vis off Croatia's Dalmatian Coast. Students will learn techniques of modern field archaeology & explore European prehistory. Open to all applicants: studyabroad.ucdenver.edu/_portal/tds-... 162
Caley Orr @caleyorr.bsky.social · 25/08/2026Nice new paper from Lewton et al. on Homo floresiensis pelvic morphology. Comparative Morphometric Analysis of the Pelvis of LB 1 (Homo floresiensis). onlinelibrary.wiley.com/doi/10.1002/... 172
Caley Orr @caleyorr.bsky.social · 20/08/2026"The evolution of a bigger brain is therefore a story of carbohydrate foods as much as animal foods: from sweet sugars to cooked starch, from chewing to processing, and from wadging to advanced nutrient extraction." 🧪science.orgA central role for dietary sugars in human evolutionWhat did our ancestors eat? Current understanding of diet in human evolution is predicated on abundant animal foods and mastery of fire, both unlikely for early hominins. Using multiple lines of evide... 021
Reposted by Caley OrrJames Holland Jones @juemos.bsky.social · 16/08/2026I've been thinking a lot lately about criticisms of anthropology coming from various quarters. While there is plenty to criticize, I think that the received wisdom about the discipline's problems are generally off base. In this blog post, I work through some thoughts I have on the subject.eehh-stanford.github.ioThe Misunderstanding of the Anthropology Culture Wars – Monkey’s Uncle 2187
Caley Orr @caleyorr.bsky.social · 16/08/2026The irony being that a new Dinosaur Jr album is gonna make me so happy. #EarBleedingCountryft.comDinosaur Jr’s J Mascis: ‘I’m not a fan of happy songs in general’On a bike ride to a Notting Hill record shop, the alt-rock icon talks panic attacks, the band’s new album and who had the best guitar sound 020
Caley Orr @caleyorr.bsky.social · 10/08/2026"enhanced visual processing, not expansion of the frontal lobe, drove the major increases in neocortical size [in primates]." (from Editor's Summary)doi.orgFossil evidence favors a role for vision in the modular evolution of the primate neocortexNeocortical expansion is a key innovation of crown primates, although fossil evidence for how the neocortex has evolved remains elusive. We studied neocortical evolution using virtual brain endocasts ... 043
Caley Orr @caleyorr.bsky.social · 08/08/2026"These findings support the hypothesis that selection resulted in shifts to P. robustus dental morphology to increase mechanical resistance, consistent with an expanding dietary niche that incorporated increasingly challenging foods."onlinelibrary.wiley.comDietary Adaptation in <fi>Paranthropus robustus</fi> Postcanine TeethUpper premolar enamel thickness in Paranthropus robustus increased significantly over time, especially in the occlusal region. 043
Caley Orr @caleyorr.bsky.social · 08/08/2026JOB AD: Assistant/Associate Professor, Anatomy This is a great opportunity for an anatomist with evolutionary/paleobiological research interests to join a nice group of folks who do cool work.careers-nyit.icims.comNew York Institute of TechnologyPrepare to reinvent the future among New York Tech’s community of doers, makers, innovators, and healers. Explore our programs, research, and locations. 011
Reposted by Caley OrrJens Notroff @jensnotroff.com · 02/08/2026Smoking gun: "Ancient #DNA [from Chilean mummies] confirms historical accounts of how #smallpox got to the #Americas" (Spoiler: It's exactly who you might've been suspected.) 🏺🧬 www.science.org/content/arti... by @lizziewade.bsky.social via @science.orgscience.orgAncient DNA confirms historical accounts of how smallpox got to the Americas“Landmark” paper finds disease originated with European contact 23413
Reposted by Caley OrrEleanor Scerri @elliescerri.bsky.social · 28/07/2026New paper: Mesolithic mariners in the Central Mediterranean made sustained, long distance sea journeys. Not accidents, one offs, and not rare events. See thread in the comments. academic.oup.com/pnasnexus/ar..., led by @jblinkhorn.bsky.social 15021
Reposted by Caley OrrMarc Kissel @marckissel.bsky.social · 29/07/2026www.nature.com/articles/d41... "We can almost look through the eyes of the Aurignacian people and see how they viewed the environment around them,” says Amy Clark, a palaeolithic archaeologist at Harvard University in Cambridge, Massachusetts."nature.com40,000-year-old bird carvings provide clues to how ice age humans flourishedNewly discovered figurines point to skills that might have helped shape early humans’ expansion across Europe. 22612
Caley Orr @caleyorr.bsky.social · 18/07/2026🏺🧪nature.comPopulation expansion of early Upper Palaeolithic hunter-gatherers triggered cultural complexity on Paleo-Honshu Island, Japan - Nature CommunicationsEarly Upper Palaeolithic stone tools appear in Japan around 38 thousand years ago and are unique from contemporaneous tools found elsewhere in eastern Eurasia. Here, the authors present an absolute ch... 1219
Reposted by Caley OrrThe Anatomical Record @anatrecord.bsky.social · 12/07/2026How did primate hand function evolve? 🐒 Hamate bone morphology suggests natural selection shaped key hand traits linked to grip & locomotion. Suspensory behaviors evolved independently in gibbons & great apes Hunter et al.: anatomypubs.onlinelibrary.wiley.com/doi/10.1002/... 092
Reposted by Caley OrrHarvati Lab @harvatilab.bsky.social · 06/07/2026📢 New #openaccess paper out! Exploring the evolutionary drivers of encephalization and facial reduction in the genus Homo. 🧠💀 Check it out here: rdcu.be/fsgmj Congrats to Mark and Katerina @katharv.bsky.social for this work! ✨️ #humanevolution @humanorigins.bsky.social 1227
Reposted by Caley Orrdrphilcox.bsky.social @drphilcox.bsky.social · 22/06/2026JOB ALERT! We are recruiting at @ucl-c4ia.bsky.social - a lecturer (Grade 8) or associate professor (Grade 9) in primate or human evolutionary anatomy (research and teaching). Contact Susan Evans or myself for further details. www.jobs.ac.uk/job/DRZ412/l...jobs.ac.ukLecturer / Associate Professor in Primate or Human Evolutionary Anatomy at UCLSearching for an academic job? Explore this Lecturer / Associate Professor in Primate or Human Evolutionary Anatomy opening on jobs.ac.uk! Click to view more details and browse other academic jobs. 01847
Reposted by Caley OrrChris Stringer @chrisbstringer.bsky.social · 03/07/2026My thoughts on the paper about 'Hobbit' capabilities 0478
Reposted by Caley OrrDr. E Grace Veatch @egveatch.bsky.social · 03/07/2026🐘 check out our newest paper from Liang Bua! www.science.org/doi/10.1126/... Did H. floresiensis hunt Stegodon? 🔪 Did they also had control use of fire? 🔥 We tested these early claims of complex behavior using taphonomy, experimental archaeology, and zooarchaeology of the Stegodon assemblage.doi.org 36628
Reposted by Caley OrrPaige Madison @fossilhistory.bsky.social · 27/06/2026A few words from archaeologist Jamie Hodgkins on the latest H. naledi paper, which is cool and impressive overall (congrats to the proteomics team on this) but risks being overshadowed by claims from some team members that are a reach. 1/2 2337
Reposted by Caley OrrKai 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
Caley Orr @caleyorr.bsky.social · 15/05/2026It's a good thing I quit anteaters after Orr, 2005.youtube.comExpert Wasted Entire Life Studying AnteatersYouTube video by The Onion 120
Caley Orr @caleyorr.bsky.social · 15/05/2026Damnation and hellfire be upon us. We've earned it.stereogum.com16 Horsepower Reunite For First Show In 22 Years: WatchIn the ’90s and ’00s, the Denver-based band 16 Horsepower perfected their own grandly gothic form of country-rock. They were obsessed with religion and apocalypse, and frontman David Eugene Edwards ha... 000
Caley Orr @caleyorr.bsky.social · 13/05/2026nature.comEnamel proteins from six Homo erectus specimens across China - NaturePalaeoproteomic analysis of ancient enamel proteins extracted from Middle Pleistocene Homo erectus specimens from the Zhoukoudian, Hexian and Sunjiadong sites in China suggests that they are a ne... 032
Caley Orr @caleyorr.bsky.social · 02/05/2026You can feel anything you want to feel and call it real. *SEBADOH*youtu.beSebadoh - Live 1999YouTube video by vacantmoon 010
Reposted by Caley OrrPunk Rock History @punkrockhistory.bsky.social · 28/04/202646 years ago today Joy Division filmed "Love Will Tear Us Apart" music video in Manchester, England, April 28, 1980. Joy Division - Love Will Tear Us Apart, 1995 Remastered Version (Official Video) #punk #punkrock #postpunk #joydivision #history #postpunkhistory #otd 736585
Reposted by Caley OrrAylwyn Scally @aylwyn-scally.bsky.social · 29/04/2026'Anglo-Saxon' is a bogus and misleading term in all but a very narrow set of uses. And I'm not sure it's entirely helpful even in those. But I think it's particularly bad as an ancestry category, certainly when applied to present day individuals, and probably in the past also. 2154
Reposted by Caley OrrChristian Rowan @crowan-tectonics.bsky.social · 23/04/2026Excited to share our new paper published today in @natcomms.nature.com! We find that the crust beneath the Turkana Rift is extremely thin, and that the rift’s maturation played a key role in shaping the accumulation of Turkana’s world-famous hominin fossil record. www.nature.com/articles/s41...nature.comNecking of the active Turkana Rift Zone and the priming of eastern Africa for continental breakup - Nature CommunicationsThis study indicates that the East African Rift System in northern Kenya may be closer to breaking apart than previously thought and that its development played an important role in the preservation o... 1135
Caley Orr @caleyorr.bsky.social · 28/04/2026Majoring in anthropology as an undergrad at CU Boulder is the single best decision I've made in my life.washingtonpost.comOpinion | This degree changed my life. And it’s essential to a changing America.Anthropology taught me how to translate human experience into knowledge institutions can act on. 042
Reposted by Caley OrrCaitlin S., PhD @paleophile.bsky.social · 26/04/2026I'm glad to see WaPo and Forbes covering the #NSF #NSB terminations. The public needs to understand that scientific research in the US, as we have known it for three quarters of a century, is collapsing and it may take a decade or decades to recover from this. www.washingtonpost.com/science/2026...washingtonpost.comTrump ousts National Science Board membersMembers of the independent board that guides the National Science Foundation said they received a notice from the White House that their position was being terminated. 021
Caley Orr @caleyorr.bsky.social · 26/04/2026The Lufthansa Group is cancelling 20,000 short haul flights through October. Not what you want to find out just as summer fieldwork plans are advancing.pbs.orgWhat to know if your flight is canceled as jet fuel costs riseWith airlines worldwide canceling flights as the war in the Middle East strains jet fuel supplies and pushes up prices, here's what to know if your flight is canceled. 056
Caley Orr @caleyorr.bsky.social · 25/04/2026🤘thehardtimes.netAnthropologists Discover Uncontacted Metal SubgenreSTOCKHOLM, Sweden — Leading musical anthropologists announced that they have discovered a previously uncontacted metal genre, confirmed sources. “I was exploring through... Read more nonsense 030
Reposted by Caley OrrDr Laura T. Buck @ltbuck.bsky.social · 21/04/2026New evaluation of the taxonomic affinities of the Late Pleistocene fossil hominin from Kabua, Kenya. Very happy to finally have the chance to finish and publish this work, nearly a decade after a very happy time in Tuebingen working on it with excellent colleagues. doi.org/10.1111/1467... 0219
Reposted by Caley OrrEleanor Scerri @elliescerri.bsky.social · 23/04/20261/7 Our papers may seem to address different themes, but they coalesce around the deep human past as a process of niche expansion and feedbacks, into the transition to human dominated landscapes. A starting point was the pan-African structured theory of human origins: www.cell.com/trends/ecolo...cell.comDid Our Species Evolve in Subdivided Populations across Africa, and Why Does It Matter?We challenge the view that our species, Homo sapiens, evolved within a single population and/or region of Africa. The chronology and physical diversity of Pleistocene human fossils suggest that morpho... 12112
Reposted by Caley OrrEvolution Soup @evolutionsoup.bsky.social · 22/04/2026✨NEW INTERVIEW✨ ANCESTOR OF THE APES ~ The Masripithecus Discovery ~ with DR ERIK SEIFFERT @gutsickgibbon.bsky.social @erikseiffert.bsky.social #evolution #evolutionsoup #fossil #science #primates 👇🏼👇🏾 youtu.be/vGdkAOO32rg 051
Caley Orr @caleyorr.bsky.social · 21/04/2026quantamagazine.orgWhat Physical ‘Life Force’ Turns Biology’s Wheels? | Quanta MagazineThe bacterial flagellar motor is finally understood after 50 years. In its workings, columnist Natalie Wolchover finds the essence of life. 010
Caley Orr @caleyorr.bsky.social · 19/04/2026No evidence that hominin dispersal across Eurasia was part of a wider turnover in mammal distributionsnature.comNo evidence that hominin dispersal across Eurasia was part of a wider turnover in mammal distributions - Nature CommunicationsHominin dispersal out of Africa may have corresponded with exchanges of other fauna out of Africa. Here, the authors examine taxonomic and functional similarities in Eurasian and African fossil commun... 083
Caley Orr @caleyorr.bsky.social · 18/04/2026Wow. This is an amazing cover of Butthole Surfers' song "Pepper."youtu.bePepperYouTube video by S.G. Goodman - Topic 100
Caley Orr @caleyorr.bsky.social · 18/04/2026youtu.beMinneapolis rooftop on infamous album from The ReplacementsYouTube video by FOX 9 Minneapolis-St. Paul 020
Reposted by Caley OrrPaleoAnthropology @qafzeh.bsky.social · 17/04/2026hms.harvard.edu/news/massive...hms.harvard.eduMassive Ancient-DNA Study Reveals Natural Selection Has Accelerated in Recent Human EvolutionHundreds of genes selected in West Eurasia since farming began, many linked to health 031
Reposted by Caley OrrDr Huw Groucutt @huwgroucutt.bsky.social · 15/04/2026New paper alert. My new article just published in Quaternary Science Reviews, "Revolution, modernity, and the dispersal of Homo sapiens beyond Africa". www.sciencedirect.com/science/arti...sciencedirect.comRevolution, modernity, and the dispersal of Homo sapiens beyond AfricaIn the recent past, evolutionarily speaking, every other kind of hominin, from the Neanderthals of western Eurasia to the ‘hobbits’ of Flores, became … 2198
Reposted by Caley OrrEleanor Scerri @elliescerri.bsky.social · 15/04/2026Our new paper exploring the measurement of complexity in tools - the result of significant and ongoing work, including that which emerged from our Complexity in Lithics Conference! link.springer.com/article/10.1...link.springer.comThe Tool Systems Approach: Measuring Complexity in the Primatological, Archaeological, and Ethnographic Records - Journal of Archaeological Method and TheoryMeasuring technological complexity across species, as well as across temporal and spatial scales, is an ongoing challenge among authors who work on primatological, archaeological, and/or ethnographic ... 02610
Caley Orr @caleyorr.bsky.social · 14/04/2026Finds from the Halibee site in the Middle Awash, Ethiopia including stone tools and human remains.sciencealert.comAncient Landscape Reveals Bones of Humans Who Lived 100,000 Years AgoA monumental archaeological excavation in Africa has uncovered the lives of the humans who lived there 100,000 years ago. 081
Caley Orr @caleyorr.bsky.social · 11/04/2026theconversation.comEmbryo fossil found in South Africa is world’s oldest proof that mammal ancestors laid eggsA detailed scan of a fossil therapsid embryo reveals the oldest egg belonging to a mammalian ancestor. 184
Reposted by Caley OrrEvolution Soup @evolutionsoup.bsky.social · 11/04/2026A massive once-in-500-years chimpanzee civil war has broken out (link fixed!) 🦧 @gutsickgibbon.bsky.social #evolution #evolutionsoup #fossil #science #chimps 👇🏼👇🏾 is.gd/uheC0U 172
Reposted by Caley OrrMarc Kissel @marckissel.bsky.social · 09/04/2026Awhile back I meet the brilliant Jenni French & and now been lucky to collab on a project w/ her for the last ~3 yrs. Along with Somaye Khaksar & @anthrofuentes.bsky.social our 1st project paper is out, on origins & development of mobile containers (1/n) 🧪 🧺 www.sciencedirect.com/science/arti...sciencedirect.comThe origins and development of mobile containers: Biocultural perspectives on Pleistocene containmentContainers are ubiquitous and universal across all present-day societies. The substantial increase in the quantity and diversity of containers in the … 33115