Rail Fans Canada @railfans.ca Dedicated to the exploration and discovery of rail public transit across Canada.
Links: www.RailFans.ca | YouTube.railfans.ca | Discord.railfans.ca
Stephen Colbert @stephencolbert.bsky.social Evie’s husband 
OC Transpo @octranspo.com People moving people | For Customer support & alerts: @helps.octranspo.com | On se déplace pour vous | Pour l'assistance clientèle et alertes : @aide.octranspo.com
OC Transpo Helps @helps.octranspo.com Ottawa’s Public Transit - Customer support & alerts: Mon-Fri 7AM-7PM, Sat 8AM-7PM, Sun 9AM-7PM.
Français: @aide.octranspo.com
P. Andrew Torrez @andrewtorrez.bsky.social Practicing lawyer and cohost of the Law & Chaos podcast with @lizdye.bsky.social
READ MY STUFF! lawandchaospod.com
LISTEN TO MY STUFF! patreon.com/lawandchaospod
he/him
Allison Gill @muellershewrote.com Owner of MSW Media, host of The Daily Beans, UnJustified, and Cleanup on Aisle 45 podcasts. #Leguminati. Veteran. She/Her Substack: muellershewrote.com
Signal: muellershewrote.23
Podcast: https://the-daily-beans.simplecast.com/
Dr Emily Cooper @criminographer.bsky.social Senior Lecturer at the University of Lancashire. Geographer. Mum of four (two live in my heart). Tweets child loss, SUDC, PPA2 deficiency, sex work, sextortion/FMSE, fraud, policing, VAWG. #WIASN
Liz Dye @lizdye.bsky.social Host of the Law&Chaos podcast and newsletter at lawandchaospod.com
Make words do yoga
Above the Law, Public Notice, Legal Eagle
Charm City forever
She/Her
Occasional Transpo @occtranspo.bsky.social Ottawa 🇨🇦 • LRT status updates and municipal commentary and advocacy. https://OccasionalTransport.ca
It takes a village to push a train.
OC Transpo is Occasional Transportation.
Shayan Sardarizadeh @shayan86.bsky.social BBC Verify senior journalist | verification, AI, disinformation, conspiracy theories, open source investigations | shayan.sardarizadeh@bbc.co.uk
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Nora Young @nora3000.bsky.social Technology journalist, CBC broadcaster researching AI and tech ethics
Sarah Gilbert @smwgilbert.bsky.social Strategic engagement and communications advisor. Dog mum, amateur equestrian, sassy badass. Opinions expressed are my own (and not endorsed by my employer).
Nick Hauselman @nickhauselman.bsky.social I'm the co-host of The Muckrake Podcast, diving deeper into the context that got us here politically. Oh, and I'm bballbreakdown, too.
https://podcasts.apple.com/us/podcast/the-muckrake-political-podcast/id1489093693
WTF Just Happened Today? by Matt Kiser @whatthefuckjusthappenedtoday.com A sane, once-a-day update helping normal people make sense of the news. Since 2017.
https://whatthefuckjusthappenedtoday.com/
By @mattkiser.bsky.social
Backup account @wtfjht.bsky.social
Nosferatu @realnosferatu.bsky.social That burning is pleasurable, that which enlightens the darkened path of others
Forsan et haec olim meminisse iuvabit
Credo nos in fluctu eodem esse
LFC
Tara Moriarty @moriartylab.bsky.social Associate Professor, University of Toronto. Bloodborne infections, Lyme disease, misinfo. COVID-19 Resources Canada. Defend journalism. Look for the helpers. Opinions mine. 🇨🇦🏳️🌈
https://covid19resources.ca
Chloë R McKenzie @chloermckenzie.bsky.social Assistant Prof. in Medieval History @northeasternu.bsky.social (NU London) | Visiting Fellow at CMRC @unisouthampton.bsky.social | Book on Ladies of the Garter
Dr. Jens Foell @jensfoell.de I used to scan brains, now I talk about science for a living. Science editor, science podcaster, SPIEGEL-bestselling writer. Founder of @realscientists.de and trainer at @nawik.de. Looks even worse IRL. He/him.
NEW BOOK OUT NOW!
🔗 https://jensfoell.de
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
Dani cRabaiotti 🦀 @danirabaiotti.bsky.social Dr of Zoology
Data Scientist
Science feed co-creator
NYT bestselling author of #DoesItFart🐢💨
Rosemary Mosco @rosemarymosco.com Nature comics (Bird and Moon). Books about nature. Talks. Bird facts. rosemarymosco.com She/her.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Sarah McAnulty, Ph.D. @sarahmackattack.bsky.social Squid biologist
Science communicator
Artist
Philadelphian
I run @SkypeAScientist.bsky.social
Creator of the SquidMobile
https://linktr.ee/Sarahmackattack
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Sarah J. Jackson @sjjphd.bsky.social Prof @ Penn studying media, race, tech, feminism, politics.
Author of A SECOND SIGHT (Mariner, 2026), co-author #HASHTAGACTIVISM (MIT Press, 2020) + more.
Typos and opinions both mine.
Co‑Director: @miccenter.bsky.social
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Emily Lakdawalla 🏳️⚧️ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
sanjana! @sanjanacurtis.bsky.social big fan of stars 💻✨🦫🏳️🌈
Annika Brockschmidt @ardenthistorian.bsky.social Author @Rowohlt, freelance journalist, senior correspondent Religion Dispatches, writes about Christian Nationalism & Right-Wing Extremism in the Europe & the US 1/2 of @femshelfcontrol.bsky.social
Agent: Landwehr & Cie
Events: Paula Döring, Kulturagentur
Dr Eleanor Janega @goingmedieval.bsky.social That one medieval historian you've heard of. Co-host We're Not So Different and Gone Medieval podcasts. Author of The Once and Future Sex. (Out now!) George Michael stan. Cutie.
https://eleanorjanega.com/
Tara C. Smith @aetiology.bsky.social Collector of social media sites. Infectious disease epidemiologist. Writes about vaccine hesitancy, science misinfo, zombies. Probably somewhere on a trail. Views own etc.
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
Jennifer Ouellette @jenlucpiquant.bsky.social I cover science and culture at Ars Technica. Former science editor, Gizmodo. Ex-vangelical. Rodeo fan. Married to @seanmcarroll, servant to two cats: Ariel and Caliban. Baltimore, MD. She/her.
Janelle Shane @janelleshane.com I write about the strange side of AI at aiweirdness.com
Also a laser scientist.
She/her. Colorado, USA
Physgal ⚛️ @physgal.bsky.social University physics lecturer and Associate Dean, Learning. Physics demystifier. Supporter of girls and women in physics. CAP Teaching Medal 2018, 3MNTF 2023. She/her Ph.D.
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Pia Lamberty @pialamberty.bsky.social Psychologin & Autorin | Psychologie für turbulente Zeiten: Psychologische Beratung • Trainings & Workshops • Vorträge |
➡️ Mehr unter pialamberty.de
📚 Mein neues Buch: „Der Untergang kann warten - Wie wir in Krisenzeiten Hoffnung schöpfen“
Reo Eveleth @reveleth.com "covers the strange and consequential with equal enthusiasm"
"I may be unable to discern the point, but it definitely made me read the whole thing"
reporter 〰️ writer 〰️ sculptor 〰 @coyotemedia.org calendar guy 〰️ they/them 〰 https://reveleth.com/
Dr. Raven the Science Maven @ravenscimaven.bsky.social I'm Raven Baxter, Ph.D. I'm molecular biologist and science educator who loves sharing science with the world! thesciencemaven.com
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
🚀🌌👩🚀🌠🪐
🔗: https://galaxy.nora-bailey.com/linktree
Ebony Elizabeth Thomas @ebonyteach.blacksky.app I wrote #TheDarkFantastic. Aspiring YA fantasy author; newbie YouTuber. Professor and grad program chair; Auntie PhD. 🔺1913, OES⭐️, Rattler🧡🐍, Wolverine💛💙. Detroit vs Everybody. Linktree: Ebonyteach.
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
Mika McKinnon @mikamckinnon.bsky.social Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. Occasional rock-licker, frequent devourer of board books. 🇨🇦🇺🇸
Elisabeth Bik @elisabethbik.bsky.social Science integrity consultant and crowdfunded volunteer, PhD.
Ex-Stanford University. Maddox Prize/Einstein F Award winner
NL/USA/SFO.
#ImageForensics
@MicrobiomDigest on X.
Blog: ScienceIntegrityDigest.com
Support me: https://www.patreon.com/elisabethbik
Artologica aka Michele Banks @artologica.net Michele Banks
Artist inspired by science
Friend to squirrels
https://www.etsy.com/shop/artologica/ 
Dr. Kat Napaaqtuk❄️ @napaaqtuk.bsky.social Inupiaq, scientist of host-microbe interactions, mom, runner, news junkie, not necessarily in that order. I speak for myself. She/her. Only reskeets posts with alt text. Unapologetically typo prone, doesn't use AI.
Dr Ellie Murray, ScD @epiellie.bsky.social Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
Dr Abeba Birhane @abeba.blacksky.app Founder & PI @aial.ie. Assistant Professor of AI, School of Computer Science & Statistics, @tcddublin.bsky.social
AI accountability, AI audits & evaluation. Cognitive scientist by training. Ethiopian in Ireland. She/her
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com
drug doc @pkpd-babe.bsky.social Pharmacology • Neuroscience • Ethics • Clinical Trials • Public Health • SciComm • Yoga • ایرونی
Posts are mine, not my employer’s.
Pfp of Bakhtiari woman Fatima, by Enayat Asadi
Maryn McKenna @marynmck.bsky.social Journalist. Contributing Ed, Scientific American. Senior Fellow, Emory Univ Center for the Study of Human Health. Books: BIG CHICKEN, SUPERBUG, BEATING BACK THE DEVIL. Stories: https://authory.com/marynmckenna. Location: points on the 44th parallel.
dr. caitlin m. green @caitlinmoriah.bsky.social linguist, discourse/pragmatics
podcaster @halftheanswer.bsky.social
author & associate editor at liberalcurrents.com
singer with the Wild Lilacs
https://www.instagram.com/thewildlilacs?igsh=MXJqOXZ6NHpoOXRrYg==
she/they
substantively unserious
Stephanie M. Lee @stephaniemlee.bsky.social Senior writer at @chronicle.com, writing about scholarship, scholars, and society. stephanie.lee@chronicle.com / Signal: stephaniemlee.07 / stephaniemlee.com / San Francisco
Katja Diehl @katjadiehl.bsky.social All infos here:
https://katja-diehl.de/bluesky
Enquiries backoffice@katja-diehl.de <3
Bethany Brookshire @beebrookshire.bsky.social Sci journo, author of Pests: How Humans Create Animal Villains. Highly caffeinated. All bad takes mine. She/her
Nicole Gugliucci 👋😭🦷 DRAGONCON @noisyastronomer.com Physics professor, astronomer, educator, science communicator in NH, US. Lover of dogs, spec-fic, weights, and good trouble. She/they.
Opinions my own. RTs≠endorsements. Most older posts auto-delete.
I swear a lot.
https://bio.link/noisyastronomer
STEAMLORD @exoplanetdinosaur.bsky.social | scientist | hurr/durr | Pronouns: Your Grace/Your Majesty/Yes Ma’am
All power to all the people
No DMs.
Melbourne, Australia
Sophia Gad-Nasr @astropartigirl.bsky.social I do cosmology and astroparticle theory. I pick apart the Universe to figure out how it works. Science Advisor. Dark Matter hunter.
🇵🇱✡️🇪🇬☪️
Alice Roberts @profaliceroberts.bsky.social Prof of Public Engagement in Science, Uni of Birmingham; anatomist, author, broadcaster; vice President of Humanists UK. All views my own.
Jess Calarco @jessicacalarco.com Sociologist. Author. Professor. Roosevelt Institute Fellow. Expert on families, schools, kids, privilege, and power. Bylines in NYT, WaPo, MSNBC, Atlantic, etc.
"Other countries have social safety nets. The US has women."
www.jessicacalarco.com
Liz Neeley @lizneeley.bsky.social Founder of Liminal (LiminalCreations.com) & co-founder of Unbreaking (Unbreaking.org) Focused on turning knowledge into action. #science #communication #sensemaking #scicomm She/her. Married to Ed Yong.
Sarah Taber @sarahtaber.bsky.social Small farmer, ex-farm worker, crop scientist. Here to talk food, farms, & money.
https://www.youtube.com/@FarmToTaber
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com
Hedwig Richter @hedwigrichter.bsky.social Historian
* 330 ppm
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Maggie Koerth @maggiek.bsky.social CNN editor for climate and weather. Columnist at Star Tribune. Sometimes news at Science Friday. Nieman Fellow '15.
Previously: Science journalist with FiveThirtyEight, NYT Magazine, BoingBoing, mental_floss, and etc.
My views are not my employer's.
Needhi Bhalla 💅🏽 @needhibhalla.bsky.social Cell biologist and geneticist, Professor, mom and consumer of alcohol. Those might all be related. I grind til I own it.
She/her/hers.
ORCID: https://orcid.org/0000-0002-6859-0073
personal account
Elizabeth Picciuto @epicciuto.bsky.social Writer. Fiction editor. Philosophy PhD. Rooted cosmopolitan, gardening Jew. Long Islander by birth, nature, and habit. #3A
Dr. Kiki @drkiki.bsky.social Longtime podcaster, science communicator, birdbrain expert, curious person trying to be kind & spread joy.
This Week in Science podcast (TWIS.org)
https://kirstensanford.com
Signal: If you know me, find me there. Let's talk.
Jasmin Schreiber @schreibersnaturarium.de 🐭 Original hessische Liebmaus | Schriftstellerin & Biologin 🪲| 💚 Podcast: @bugtales.fm | Kolumnen: hortarium.de & schreibersnaturarium.de | Hier gibt’s Hunde, Kunst, Garten, Natur, Wissenschaft & Bücher 📚 | Passionate Gamer 🎮 | https://jasmin-schreiber.de
Emily PhD 🎓 @ejwillingham.bsky.social I’ve angered famous men. Scribe @thinkingautism.com: https://tinyurl.com/TPGA-NL. Books: PHALLACY+TAILORED BRAIN+. Journalist, words@ SciAm++. Biologist: embryos/gonads+. Human-crafted work. Pro-woke/antifascist. Very Texan 🤠 https://tinyurl.com/526jrcuv
🌈Dr. Frizzle @swilua.bsky.social @Swilua
"An inspiration to bog witches everywhere"— @jermsguy "Ms Frizzle IRL”— @ElleMaeGal “The funniest person I know on Bluesky"—@cstark “Cranky and Annoyed"— @washingtonpost she/fae kerrycoran.com
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
Jess McLaughlin, PhD (they/them) @jfmclaughlin92.bsky.social Evolutionary biologist and professional nerd. Asst Prof, University of Alaska Anchorage.
queer af, they/them. 🏳️🌈🏳️⚧️✡️
jfmclaughlin.org
Katie Hinde @mammalssuck.bsky.social EvAnth, EvMed, & Global Health
I study mothers, milk, & babies
Cheddar Superfan.
"Scarier than a badger"
Opinions my own
Iris van Rooij 💭 @irisvanrooij.bsky.social Professor of Computational Cognitive Science | Dept. of Cognitive Science & Artificial Intelligence | @Iris@scholar.social on 🦣 | http://irisvanrooijcogsci.com | she/they 🏳️🌈
Sarah E. Bond @sarahebond.bsky.social Roman historian, digital humanist & contributor at Hyperallergic
Book 📕 Strike: Labor, Unions & Resistance in the Roman Empire (Feb. 2025) : https://yalebooks.yale.edu/book/9780300273144/strike/
Pasts Imperfect:
https://pasts-imperfect.ghost.io/
Chelsea Parlett @chelseaparlett.bsky.social Ph.D, stats lover/writer✍🏼, #statistics #scicomm #datascience #statstiktok 👩🏻💻 she/her
Dr Rebecca Wragg Sykes @lemoustier.bsky.social Archaeologist, word-witcher, scicomm, consultancy
📚 KINDRED: Neanderthal Life, Love, Death & Art
🖋️ MATRIARCHA: Prehistory Re-imagined
🏛️ Honorary Researcher U. Cambridge & U. Liverpool
1/4 @trowelblazers.bsky.social
Rep: PEW Literary
Karen James @kejames.bsky.social Environmental geneticist & outdoorswoman into eDNA, botany, evolution, space, sci-comm, skiing, Outlander & kindness • auntie • cat mom • she/her
“I would teach my feet to fly”
Banner art by @truelovebirch@bsky.social
📍Unceded Wabanaki land (aka Maine)
Jaclyn A. Siegel, PhD @jacasiegel.bsky.social Assistant Teaching Professor at Villanova University & Assistant Research Professor at UNC Charlotte’s Violence Prevention Center • Research Fellow @ the Kinsey Institute • Focused on gender, sexuality, and body image
Dr Michelle LaRue @drmichellelarue.bsky.social Antarctic wildlife ecologist, Rutherford Discovery Fellow, Prof UCNZ, speaker, children’s book author
@natgeo Secrets of the Penguins
drmichellelarue.com
Janet D. Stemwedel @docfreeride.bsky.social Academic philosopher, lapsed chemist, occasional science writer, perpetual ethics booster. All views my own. (she/her)
simine vazire @simine.com Psychology prof at UniMelb, co-director of MetaMelb (interdisciplinary metascience lab).
Study credibility of science & how to improve it.
Minh Thu Tran @minhthutran.bsky.social Journalistin WDR/Dlf Nova. She/her
Dr. Sarafina El-Badry Nance @starstrickensf.bsky.social Astrophysicist. Author of STARSTRUCK (PEN/E.O. Wilson Longlist, NCBA finalist, a Penguin Random House Common Read). 🧿🇪🇬 BRCA+ occasional model, fervent activist.
Anne Carpenter @drannecarpenter.bsky.social Dedicated to drug discovery, enthralled by science. 5 kids. She. SAB Recursion. Founder SyzOnc. Lab at Broad Institute. Opinions my own.
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
Jacqueline Antonovich @jackiantonovich.bsky.social Historian of medicine, gender, & politics. Executive Editor Emerita, @nursingclio.
https://www.rutgersuniversitypress.org/the-nursing-clio-reader/9781978838598/
Forthcoming Book: Doctoring the West: Women Physicians & the Politics & Practice of Medicine
Dr. Jenny Morber @jrmorber.bsky.social PNW freelance sci journo, PhD nanosci and materials engineering. World traveler, field reporter. Newly focused on probing solutions to our biggest problems, but still interested in whale anuses and poo. I love the weird things. she/her
Dr Lindsey Fitzharris @drlindseyfitz.bsky.social NYT Bestselling Author. Medical Historian. Breast Cancer Survivor.
Next book: SLEUTH-HOUND, a whirlwind tour of Victorian forensics from the perspective of the man who loaned a voice to Baker St.’s famous resident: Sherlock Holmes. Out October 20.
Peggy Wolven @vexedmuddler.bsky.social Fashion for the Scientific Body. Nails, nerdy and not.
https://linktr.ee/vexedmuddler
🩷💛💙 She/her, artist, scientist, nail polish nerd, friend to underloved animals.
It's ME(Jaime) @exceedhergrasp1.bsky.social Scientific Director, #MEAction
Affiliations: Stanford Genome, Université de Montréal
TIME100 Health
#ME, #EDS, #POTS, #LongCOVID
Views my own
Dr Holly Nielsen @hollynielsen.bsky.social Historian of play | AHRC funded PhD on board games & play c.1860-1939 | Game developer | Writer & narrative designer
Repped by Will Francis at Janklow & Nesbit
she/her
Arrianna Marie Planey, PhD MA @arrianna-planey.bsky.social Medical Geographer & Health Services Researcher \ Wife & Mother \ Avid Reader, Foodie, & Gardener \ Cal, UChicago, & UIUC alumna \ Personal account \ Not actually a Lego