T.V. Karthik @ncgeometer.bsky.social PhD in Noncommutative Geometry and Gauge Theory. Likes Movies and Comic books.
Thomas Lumley @tslumley.bsky.social Biostatistician. Baritone. He/Him.
Product of more than one country.
May contain nuts.
Shannon Vallor @shannonvallor.bsky.social Philosopher/AI Ethicist at Univ of Edinburgh, FRSE. Co-Director @technomoralfutures.bsky.social and BRAID @braiduk.bsky.social, author of Technology and the Virtues (2016) and The AI Mirror (2024). Views my own. Humble servant to Carol and Puffin. She/her.
Stephen Nuñez @socio-steve.bsky.social Director, Stratification Economics at The Roosevelt Institute/Roosevelt Forward
@rooseveltinstitute.org
Sociologist, Dad, Autistic person, Bathos-Enjoyer, elitist jerk
Taxes are what we pay for civilized society
Opinions are my own
Alexander Kasprzyk @amkasprzyk.bsky.social https://kasprzyk.work
Algebraic Geometry • Combinatorics • Mirror Symmetry • Machine Learning
Mathematician at the University of Warwick.
Editor-in-Chief for “Experimental Mathematics”.
Member of EPSRC’s Math Strategic Advisory Team.
Per Engzell @pengzell.bsky.social Interested in how the rich stay rich and the poor poor. Sociologist at @sriucl.bsky.social @ucl.ac.uk. He/him/his. http://perengzell.com Photo bomber @simoneschneider.bsky.social
Vincent Arel-Bundock @vincentab.bsky.social Prof. Most tweets about R. “Polisci, it’s all about what’s going on.”
http://arelbundock.com
Renee DiResta @noupside.bsky.social 🌐Studies influence, propaganda, platform design@Georgetown
✍🏼Lawfare,The Atlantic, Substack/Ghost Newsletter (signup on my site if you want Ghost)
📕Invisible Rulers: The People Who Turn Lies Into Reality (invisiblerulers.com)
🦹🏻♀️Twitter Files supervillain
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
BWJones @bwjones.bsky.social Bryan William Jones
Neuroscientist
Vision Neuroscientist
Connectomics / VolumeEM
Photographer / #Leica
Professing at Pitt
In the data
bryanwjones.com
ORCID 0000-0001-5527-6643
Jeremy Berg @jeremymberg.bsky.social Husband, Father, Grandfather, Datahound, Dog lover, Fan of Celtic music, Former NIGMS director, Former EiC of Science, Stand Up for Science advisor, Shananigator, Pittsburgh, PA
NIH Dashboard: https://jeremymberg.github.io/jeremyberg.github.io/index.html
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Pieter T. L. Beck @ptrbck.bsky.social Philosopher and historian of science: experimentation, chemistry, and the epistemology of (science) education
FWO Senior Postdoc @ Ghent University.
Research: https://research.flw.ugent.be/nl/pieter.beck
Blog: https://pietertlbeck.wordpress.com/
Pavel @spavel.bsky.social Raised gifted; non-practicing.
If your reply doesn't have alt text, I won't see it.
🌐 productpicnic.beehiiv.com 💼 UX Design 🟦 Sick of rectangles 🧑 he/him
Daily Spurious Correlation 🤖 @dailycorrelation.bsky.social Correlation is not causation: your daily dose of spurious correlation.
Made with @trotsky.pirhoo.com using Tyler Vigen's charts.
Nobel Prize @nobelprize.org The official Bluesky account of the Nobel Prize.
Celebrating the work and discoveries that have had the greatest benefit to humankind.
DGM @notredale.bsky.social head of an underground illicit law ring
JBGarrity Photography @joegarrity.bsky.social I enjoy taking photos and sharing them, mostly of nature. All genres from astro, landscape, macro, marine life, wildlife, insects, flowers, etc.
Jan Vanhove @janhove.bsky.social Senior lecturer at the Department of Multilingualism at https://unifr.ch/. Master's student statistics at https://unibe.ch/. Saxophonist with https://beatmoustache.ch/. Aficionado of Danish ska.
Blog & website: https://janhove.github.io
Alexander Tsai, MD @drdrtsai.bsky.social Husband, father, & psychiatrist at @GlobalHealthMGH + @MonganInstitute, prof @harvardmed + @HarvardChanSPH. Editor-in-Chief @SocSciMed-Mental Health. TweetDelete on. Fk cowards.
Website: https://connects.catalyst.harvard.edu/Profiles/display/Person/90553
Ben Harrap @bharrap.bsky.social doer of data things at Yardhura Walani
president of statsoc.org.au
I do #rstats, surveys, biostatistics, #IDSov
on Ngunnawal and Ngambri lands
not Indigenous, non-binary (they/them)
benharrap.com
Leaflet @leaflet.pub The easiest way to make a blog, newsletter, or website on the open social web!
📝 powerful publishing tools 🛠️
🌱 for new writers & pros 🌿
🗣️ to connect & grow 👯
📖 + ✍️ @ leaflet.pub
Lab Notes: lab.leaflet.pub
Code: tangled.org/leaflet.pub/leaflet
Zeke Hausfather @zekehausfather.com "A tireless chronicler and commentator on all things climate" -NYTimes.
Climate research lead @stripe, writer @CarbonBrief, scientist @BerkeleyEarth, IPCC AR7 lead author.
Website: https://zekehausfather.com/
Substack: https://www.theclimatebrink.com/
Annie Sexton @anniesexton.com 📹 I make tech videos
👩💻 Software engineer for 15 years
Developer Educator @ ngrok
Comic book writer & artist: https://redstonecomic.com/
Founder of Webcomic Studio: https://webcomic.studio/
Trevon Logan @trevondlogan.bsky.social Economist. Economic Historian. Lego Nerd. Sharing thoughts.
Jack Maynard(he/him) @jhmsparky.bsky.social Birder, Portlander, Electrician, Inspector, progressive, attempted 🏳️🌈 ally. Typo King
IBEW 48 shop steward- Solidarity Sisters & Brothers!
Pics my own, mostly birds. #Sonya7IV
I bird with my best friend & wife Kelli, biologist & birder
Peter Nguyen @dptbirder.bsky.social Vietnamese-American he/him
Brain physio🧠, avian druid🧙♂️, photon catcher📷, cat dad🐈
📍Orange County, California, USA
All bird thoughts and photos are mine
Life list: 587 Scripps’s Murrelet
Socials: @dptbirder
Laurel Gale @laurelgale.bsky.social When I'm not writing #kidlit, I'm taking #wildlife photos.
https://linktr.ee/laurelgale
ABSOLUTELY NO WORRIES is out now!
#birds #nature
Steve Waycott Wildlife Photography 🍁 @stevewaycott.bsky.social Hubby, daddy, lawyer, photographer on Canada's east coast. This account is mostly filled with wildlife and nature photography by yours truly, with maybe a bit of snark here and there. If this is your vibe, welcome aboard!
Stephanie! 💜✌🏻 @craniatology.bsky.social SATX | Environmental policy & GIS | Naturalist | 🏃🏻♀ | adventure 🐈⬛ content | TX mammal 💀 ID | TX native 🌻 enthusiast | 🐿️ bait (ask me about it sometime) | icon + banner: @BarghestBlack | she/they | https://throne.com/craniatology
Mike Henry @onlyveesaz.bsky.social Columnist for Birding magazine & award winning bird photog. SE Arizona
https://mikehenry-photography.smugmug.com/
taenia @taenia.bsky.social Gull appreciator and bird photographer. Epeeist 🤺 & Curler 🥌. They/them.
Species IDs in alt text
https://www.flickr.com/photos/medusasnail/
http://ko-fi.com/taenia
Marguerite/Peg Turley @margueriteturl2.bsky.social Nature photographer and horror book lover who moonlights as a bookseller at Lahaska Bookshop.
Instagram @pegt
Twitter MargueriteTurl2
https://linktr.ee/margueriteturley
Marianne Denton @mariannedenton.bsky.social past life of limnology & aquatic ecology |
living a technicolor life in a B&W world |
naturalist • explorer • observer |
“pathologically optimistic” |
“irredeemable nerd” |
always a scientist |
Cri 🕊🐝🐜📝🎭⚽😷 @crawlieswithcri.bsky.social Photojournalist, striving to show the beauty of the little things in life; one arthropod at a time. Always happy to help with critter ID! Become a Patron to get to know Crawlies I post about up close and personal!
https://www.patreon.com/Crawlieswithcri
Tom Astle @tjalamont.bsky.social Writer & nature photographer, especially macro photography of arthropods. Board member, Desert Tortoise Preserve Committee (conservation nonprofit). Fan of California, Montana, the rest of the planet. Photo website: https://www.tomastlephotography.com/
Dave Bryant 🇪🇸 @davebspain.bsky.social I try to photograph nature, mostly birds & I'm having fun with it.
All my own photos, they are taken in the wild and are copyright©
Dr. Heather Hinam 🍁 🇨🇦 @secondnaturemb.bsky.social Naturalist, writer, artist, and educator with a Ph.D. in Ecology. I make interpretive signs, illustrations, murals, and books. Sometimes, I chase polar bears and belugas. #scicomm #sciart http://www.discoversecondnature.ca
Birder K @birderk.bsky.social She/her Just another broke girl w/binoculars. Will answer bird feeder & bird ID questions!
PayPal @birderk, CashApp $KBirder 
SK Winnicki, PhD 🏳️⚧️ @skwinnicki.bsky.social Evolutionary ecologist & ornithologist, postdoc Ohio State | PhD UIUC, MSc Kansas State | SciComm, birding, and nature photography | certified Lawn Hater, Cowbird Apologist, Stress Physiology Enthusiast, Typo Lover | they/them 🏳️⚧️🏳️🌈 | skwinnicki.com
James Petruzzi @hawaiianimages.bsky.social Haleakala Observatory/NASA T4 Laser Ranging Project (opinions mine)
Photographer/Astrophotographer, birder, conservationist, SCUBA diver, Zen philosopher-idiot. Husband of Wendy Hatch and proud Cat Dad to Kittywampus. : ) https://www.myhawaiianimages.com
Evelyndroid's Aperture Science and Bugge-Finding 🏳️⚧️🕷️ @apsciencebylyn.bsky.social Nature photographer, amateur naturalist & arthropod enthusiast. Florida natives, here. Pics my own. Dead Name Walking. Man't. They/Them (she/her even, if you're not creepy about it)
IG: @apsciencebylyn
Discord: evelyndroid
Tumblr: apsciencebylyn
Janet Hill @saskajanet.bsky.social Welcome to the prairies! In my day job I'm a microbiology prof @hilllabsask.bsky.social. Weekends are for the birds (literally).
🇨🇦 Citizen scientist in Saskatoon, Saskatchewan. Volunteer for birds. Photos by me.
Saimi Hanma ⚔️ サイミ @saimihanma.bsky.social Author of 'The Naturalist at Home' and 'Nature Obscura'. Writer, artist, photographer. ND
著者
aka Kelly Brenner
@nudibranch.bsky.social
#InverteFest
https://saimihanma.com
Patreon https://www.patreon.com/saimihanma
Jen Cross @jencross.bsky.social Engineer by day | Nature & landscape photographer | Birds, bugs, spiders | Friend of animals that scare people | Be decent & kind | she / her | IG heyjencross
📸www.jencrossphoto.com
Daryll Marie @daryllmarie.bsky.social Bioacoustician & PhD candidate using sound to study baleen whale movement ecology 🐋 Wildlife photographer, birder, nature nerd 🪶
IG: instagram.com/daryllmariephotos
Ko-fi: https://ko-fi.com/daryllmarie
Andrew Janjigian @wordloaf.org bread-pilled
he/him
'Breaducation: The Science and Practice of Bread Baking,' for Ten Speed Press (November 2026, preorders open now!)
Recipe?: newsletter.wordloaf.org
Shop: shop.wordloaf.org
Two wheels good
Our fair city
avatar by Edith Zimmerman
Ehud @duhe.bsky.social Do you really don’t know?
(I’m a philosopher and historian of biology, interested in all things evolutionary, #genetic, or #cognitive. I find most things ridiculous.)
http://www.ehudlamm.com 
Kevin Mitchell @wiringthebrain.bsky.social Neurogeneticist interested in the relations between genes, brains, and minds. Author of INNATE (2018) and FREE AGENTS (2023)
Brendan Cantwell @cantb.bsky.social Views and speech are mine alone. Might delete.
Tom Cox @dj-acid-reflux.bsky.social “Hilarious.” - Stephen Fry. “Made me laugh out loud.” - David Sedaris. “Very funny.” - Kate Atkinson. "Psychedelic." - The Guardian. “Not humerus at all.” - Amazon reviewer. https://www.tom-cox.com/
Greg Egan @gregegansf.bsky.social SF writer / computer programmer
Latest novel: MORPHOTROPHIC
Latest collection: SLEEP AND THE SOUL
Web site: http://gregegan.net
Also: @gregeganSF@mathstodon.xyz
Dannyboy wildlife @dannyboywildlife.bsky.social 𐂂 The secret lives of wildlife 🌲 𝗪𝗵𝗶𝘁𝗲𝘀𝗵𝗲𝗹𝗹 𝗣𝗿𝗼𝘃𝗶𝗻𝗰𝗶𝗮𝗹 𝗣𝗮𝗿𝗸, 𝗠𝗮𝗻𝗶𝘁𝗼𝗯𝗮 🇨🇦 𝘼𝙡𝙡 𝙫𝙞𝙙𝙚𝙤𝙨 𝙖𝙧𝙚 𝙢𝙮 𝙤𝙬𝙣©
Ben Allen @evodynamics.bsky.social Mathematical biologist studying evolution. Professor of Mathematics at Emmanuel College, MA. Queer, nonbinary (they/them). For social and ecological justice. Jewish as in Free Palestine. https://www.emmanuel.edu/emmanuel-mathematical-biology-research-embr
Roopika Risam @roopikarisam.bsky.social Author of Barack Obama’s summer 2026 reading pick DATA EMPIRE 📉👑, Provost Leadership Fellow for AI Strategy at Dartmouth 💚, horse girl 🐴, roopikarisam.com
@cira-csu.bsky.social @cira-csu.bsky.social 
Will Jones @willpjones.bsky.social Historian of race and class; Author: The March on Washington & The Tribe of Black Ulysses; Professor, University of Minnesota; President, @umn-tc-aaup.bsky.social; Editor, "Up For Debate" @laborlawchajournal.bsky.social
ORCHID: 0000-0001-9295-866X
Jonathan Howard @joho.bsky.social I love vaccines, animals, and my wife, who set up this profile.
https://sciencebasedmedicine.org/we-want-them-infected/
Sara Conroy, PhD @episconroy.bsky.social Assistant Professor, Department of Pediatrics NCH/OSU | #episky #statsky | @OSUpublichealth and @nationwidekids: Ohio Perinatal Research Network, Center for Perinatal Research | 3 kids | she/her
mitchell atencio (he·him·his) @mitchellatencio.com i'm a very religious religion journalist. (news editor @sojo.net / writing a biography of Clarence Jordan)
based in Chicago
John Compton @johnwcompton.bsky.social Political science prof, Chapman University.
Author: The Evangelical Origins of the Living Constitution (2014); The End of Empathy (2020).
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
turgut keskintürk @tkeskinturk.bsky.social sociology phd candidate at duke | https://tkeskinturk.github.io/
Tobias Wilson-Bates @phdhurtbrain.bsky.social Time Machines. Temporality. Ecology. Robots. Education. Associate Professor of 19th century British Literature. 
Jameel Jaffer @jameeljaffer.bsky.social Director, Knight First Amendment Institute at Columbia University; Exec Editor, Just Security; former ACLU. knightcolumbia.org.
Jon Corsiglia (he/him/el) | Eco-Economy Insider @ecoeconomyinsider.com The economics of a healthier planet, minus the sermons. Honest eco-swaps + good news that also makes financial sense. 30-yr environmental communicator. 💚💙 SF Bay Area 🌊
Free weekly newsletter 👇
https://eco-economy-insider.kit.com/join
Craig Gurian @craiggurian.bsky.social Executive Director, Anti-Discrimination Center (antibiaslaw.com); Editor, Remapping Debate (remappingdebate.org). Posting for myself, not orgs, except if [ADC] or [RD] tag is appended to end of post.
amy brown @amybrown.xyz wife, mother, poster
bay area via dayton, ohio
✨ amybrown.xyz ✨
City Planner Plays @cityplannerplays.bsky.social This is the official Bluesky account of the Youtube Channel of the same name!
YouTube.com/@cityplannerplays
Data Science Learning Community @dslc.io Our mission: To provide tools and resources to foster a diverse, friendly, and inclusive community of data science learners and practitioners. Join us at https://dslc.io
Jon Harmon (he/him/his) @jonthegeek.com 🗣️#RStats #DataScience #Dogs
@dslc.io Executive Director
#TidyTuesday poster
🔗http://linkedin.com/in/jonthegeek
🔗http://github.com/jonthegeek
Annaliese Paulson @annaliesep.bsky.social Present: Postdoc @annenberginstitute.bsky.social & computational social scientist studying higher ed.
Past: Marsal School of Education & Ford School of Public Policy; 2024 Spencer Dissertation Fellow; Most Fashionable Boy 2010, Kaukauna High School 🏳️⚧️
Tanja Bueltmann @tanjabueltmann.net Professor | history of migration and diaspora | citizens' rights | commentator | immigrant | trans inclusive feminist | she•they | my views | https://tanjabueltmann.net
Kyle Clark @kylec.bsky.social Dad, husband, journalist at 9News Denver. Helping the community raise $18M via 300+ weekly microgiving campaigns. Next with Kyle Clark 6p weeknights + 9NEWS at 9/10p on-air/streaming on 9NEWS+. Signal tips: 303-871-1841.
Ellis Rosen @ellisjrosen.bsky.social Cartoonist for The New Yorker
John Bistline @bistline.bsky.social Head of Science at Watershed | Energy systems modeling, economics, policy | IPCC, NCA, Stanford/CMU alum | Views my own
John Herrman @jwherrman.bsky.social posting about posts at new york magazine
Harvest Prude @harvestprude.bsky.social national political correspondent at Christianity Today | egg enthusiast
tips? signal: harvestprude.09 or hprude@christianitytoday.com
Astronauts For America @astronauts4america.bsky.social Our Country is the Mission.
astronautsforamerica.org
Christ and Pop Culture @christandpopculture.com Where the Christian Faith meets the common knowledge of our age. Subscribe today and support our mission: https://christandpopculture.com/subscribe/
A.L. Goldfuss @ghoulpus.bsky.social Writer | BEST AMERICAN SFF 2026 | BRAVE NEW WEIRD vol 4 | Stories in Reactor / Lightspeed / Nightmare | More info algoldfuss.com | Newsletter https://buttondown.com/algoldfuss | xe/xir/xem
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
hailey @hailey.at spreadsheet pusher.
agents, safety, and atproto.
opinions are my own, especially the bad ones.
Steven (with a PH) @sjksalisbury.bsky.social farce majeure
Newcastle in the streets. Old ruins in the sheets.
Katy Milkman @katymilkman.bsky.social 👩🏫 Professor at Wharton
📖 Author of the WSJ Bestseller #HowToChange
🎧 Host of Charles Schwab’s #Choiceology podcast
📰 Author of the Milkman Delivers newsletter @ http://katymilkman.substack.com
🌎 Website: www.katymilkman.com
Good Trailcams @goodtrailcams.bsky.social trailcams
no AI ever
Tom Gauld @tomgauld.bsky.social Cartoonist and Illustrator. My book of science cartoons, PHYSICS FOR CATS, is available now! www.tomgauld.com
Arthur Gain @arthurgain.bsky.social Oil painter and educator 🖼️ Barcelona Academy of Art ✨ Alla Prima Academy
Teaching painting online 🎨 https://allaprimaacademy.com/
Website: https://www.arthurgain.com/
Armand Domalewski @armanddomalewski.bsky.social Cohost of @everybodygetspie, a podcast from the team that brought you YIMBYs for Harris
Anthony Starks @ajstarks.bsky.social Art+Code, Developer/Designer, tool maker. Visualization, Go Programming Language.
Aki Vehtari @avehtari.bsky.social Professor in computational Bayesian modeling, Aalto University, Finland. Co-author of Bayesian Data Analysis 3rd ed, Regression and Other Stories, Active Statistics and Bayesian Workflow. #mcmc_stan and #arviz developer.
https://users.aalto.fi/ave/
Onyi Arah, MD, DSc, PhD @oacarah.bsky.social Professor
Practical Causal Inference Lab Co-Director
**Views are mine**
#Epidemiology #EpiSky #CausalInference #CausalSky #PublicHealth #StatsSky #Stats #Medsky
Joyce Park @troutgirl.bsky.social Co-founder/CTO twice. In my heart I'll always be a webdev. Almost died twice (brain aneurysm and adrenal adenoma). Tacoma native living outside Seattle. She/her.
American Mathematical Society @amermathsoc.bsky.social The American Mathematical Society is dedicated to advancing research and connecting the diverse global mathematical community.
Jayme Dyer, PhD 🏳️🌈 @youtoobio.bsky.social Community College Biology Instructor. Alternative grading. Improving classroom equity. #SciComm. Former YouTuber (/YouTooBio). Trying hard. Not perfect. She/her
📕 I'm writing a General Biology textbook! DM for deets
Chris Hanretty @chanret.bsky.social I teach politics at a university in the UK. I'm interested in electoral systems, public opinion, and the politics of non-majoritarian institutions like courts and regulators.
ORCID: 0000-0002-8932-9405
Keegan Lannon @keeganlannon.bsky.social PhD: Aberystwyth; Work: UI-Chicago.
I twee—er, post (skeet?)—about all things that fall under the auspices of an English department, but especially comics, writing, and teaching (mainly about comics and writing).
Julia M. Rohrer @dingdingpeng.the100.ci Personality psych & causal inference @UniLeipzig. I like all things science, beer, & puns. Even better when combined! Part of http://the100.ci, http://openscience-leipzig.org
Tom Stewart @tomstewart80.bsky.social 
Anil Dash @anildash.com the internet's uncle • waging a victorious 2-front war against cars and christmas • big fan of being a big fan of things • go read https://anildash.com