Mark Ruffalo @markruffalo.bsky.social A husband, father, actor, director, & a climate justice advocate with an eye out for a better, brighter, cleaner, & more hopeful future for all of us.
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
Harry Turtledove @hntdove.bsky.social Writer: alternate history, other sf, fantasy, historical fiction. Severely allergic to fascism.
Theo Moudakis @theomoudakis.bsky.social Award Winning Editorial Cartoonist, Toronto Star, and National Treasure
PBF Comics @pbfcomics.bsky.social Ancient webcomic dark arts by Nick G, often written with friends
pbfcomics.com/links
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Massimo (mirror) @rainmaker1973-m.bsky.social Mirror of https://nitter.net/Rainmaker1973
Engineer. Selecting and curating pictures and videos trying to awaken your sense of wonder. Science, tech, art, weather, space, the unusual around us.
If you own the original, DM
linktr.ee/Rainmaker1973
SpaceQ @spaceqmedia.bsky.social SpaceQ publishes fact-based Canadian and global space news and market intelligence for the space enthusiast and professional alike. Student memberships now available.
Aaron Rupar @atrupar.com Independent journalist, SnapStream brand ambassador, and publisher of the Public Notice newsletter https://www.publicnotice.co/subscribe
NASASpaceflight.com @nasaspaceflight.com Official Account of NSF. News, videos, and community for spaceflight enthusiasts since 2005.
NSF is not affiliated with NASA, initials used with permission.
Thomas Fuchs @thomasfuchs.at 20 years ago I killed Flash with my #JavaScript library script.aculo.us. Now mostly petting cats. Also dabbling in #retrocomputing and #astrophotography.
He/him.
CODE BLACK @codeblackamerica.bsky.social Emergency physician 🇨🇦 | U.S.-trained, mid-career. I watched U.S. medicine sell its moral core to fascists. Canada still has time to choose differently.
https://substack.com/@codeblackdispatch
Jordan Maples @maples-astro.bsky.social Seattle based astrophotographer.
Married to @codecoffeecode.bsky.social.
Pour over is best coffee.
Furry trash.
Elsewhere I'm sloppyjaconda
All photos posted are my own.
#photography #astrophotography
Former software engineer.
Skeptical Raptor @skepticalraptor.bsky.social I use evidence-based science to shred bogus claims about health and medicine. Vaccines are safe and effective. Evolution is a fact. Supplements are a waste of money. I post articles at skepticalraptor.com
Dorit Reiss @doritreiss.bsky.social Professor of law at UC Law San Francisco. Writes about vaccines law and policy. Vaccine Advocate. Mom of two.
Last Week Tonight with John Oliver @handle.invalid The official Bluesky account of Last Week Tonight with John Oliver. youtube.com/lastweektonight
Terry Lavender @terrylavender.ca communicator, writer, reader
Care of Earth and People Ensure A Future World 🌎 @bpermaculture.bsky.social Grateful to learn, serve, and share! Ethically limiting consumption and reproduction, then reinvesting surplus for the benefit of Earth and all people. Passionate about Permaculture, Oneness, Agroecology, Automation, Fluid Power, Housing and Food Security.
Simon's Cat @simonscatofficial.bsky.social Official Bluesky channel. Welcome! 👋
A hangry, but lovable cat. 🐱
Animation-illustrations by Simon Tofield.
FILMS & SHOP👇
linktr.ee/simonscat
JAMA @jama.com JAMA is an international peer-reviewed general medical journal and a member of the JAMA Network family of journals.
🌐 JAMA.com
Ryan Marino, MD @ryanmarino.bsky.social Human Doctor • Toxicology • Addiction • Emergency • #WTFentanyl & more often just WTF • drugs are misunderstood but people are misunderstood more • he/him • YouTube.com/@RyanMD • #MedSky
Shematologist, MD @shematologist.medsky.social Peds hematologist oncologist, mother, dreamer, pacifist, justice seeker. Retweeted by Wonder Woman #HemeSky #MedSky #CakeForBreakfast #IronMatters http://www.HCWvsHunger.org
Bookshelfie ⭐️ @bookshelfie.bsky.social The Self-Pub Hub (Book Review and Story Site)
Submissions open now:
https://book-shelfie.com/submissions
Book tour inquiries: contact@book-shelfie.com
Jan Rosenow @janrosenow.bsky.social Professor of Energy & Climate Policy at University of Oxford
Energy Programme Leader at ECI, University of Oxford
Senior Research Fellow at Oriel College, Oxford
Senior Associate Institute for Sustainability Leadership, University of Cambridge
The Economist @economist.com News and analysis with a global perspective, since 1843. We’re here to help you understand the world around you. Subscribe here: https://econ.st/4fAeu4q
Captain Mark Kelly @captmarkkelly.bsky.social Navy combat veteran and retired NASA astronaut. Husband to @GabbyGiffords.bsky.social. United States Senator for the great state of Arizona.
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
David Ho @davidho.bsky.social Climate scientist; ocean carbon cycle and climate solutions. Professor @soest.hawaii.edu, University of Hawaiʻi at Mānoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
City of Toronto @toronto.ca Official account for the #CityOfTO sharing #TOnews. Not monitored 24/7. Contact 311 Toronto to create a service request. Terms of use http://toronto.ca/socialmedia.
Ariella Elema 🍁 @ariellaelema.bsky.social Reference archivist, legal historian, medievalist. She/her. Knows more than is healthy about the history of trial by combat.
The Hill Times @hilltimes.com The Hill Times is an influential, independently owned newspaper. We've covered Parliament Hill since 1989.
www.hilltimes.com
Gizmodo @gizmodo.com The future is here.
John Dupuis @dupuisj.bsky.social Librarian at York University in Toronto. Check out my Covid-Is-Not-Over Substack: https://johndupuis.substack.com/
Mark Shainblum @markshainblum.bsky.social Award-winning writer+editor of comics and SF: Northguard, Angloman, Captain Canuck, Michael Moorcock's Corum, and Auric. Plus prose anthologies and short fiction.
Proud bookslinger at the Ottawa Public Library. Happy husband and dad.
Robert Charles Wilson @wilsonspin.bsky.social Hugo Award-winning author of SPIN, BLIND LAKE and a bunch of other novels, plus short story collection THE PERSEIDS and nonfiction semi-memoir OWNING THE UNKNOWN.
Al Jazeera English @aljazeera.com Your story. Your platform. Follow our live coverage on aljazeera.com
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
Mother Jones @motherjones.com Investigative journalism 🕵️, politics 🗳️, chart-tastic 📊, and sometimes sarcastic 🙄😌🤪
Join our people-powered nonprofit newsroom: motherjones.com/subscribe
Quill & Quire @quillandquire.bsky.social Canada's online magazine of book news and reviews. https://quillandquire.com/
POLITICO Europe @politico.eu Nobody knows politics and policy like we do.
David Brin @davidbrin.bsky.social Hugo-winning, best-selling sci-fiction author, NASA consultant, physicist, inventor - whose prediction scores offer a deluded sense of competence! When my real job is to speculate entertainingly... not necessarily to be right!
http://www.davidbrin.com
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
The Daily Show @thedailyshow.com Weeknights 11/10c on Comedy Central and Paramount+
Montreal Gazette @mtlgazette.bsky.social Follow for features, news and to-the-minute updates on developing stories ➡️ montrealgazette.com
The Associated Press @apnews.com Advancing the power of facts, globally 🌎
WHO @who.int The World Health Organization (WHO) is the United Nations’ health agency, championing Health For All.
Always check the latest posts for updated advice/information.
We reserve the right to remove misinformation, spam, and hate speech under our posts.- A Asimov’s Science Fiction Magazine @asimovssf.bsky.social
📚 Find Indie Books @findindiebooks.com Helping indie authors showcase their books and reach more readers. List your book today & get discovered!
Book listings
Indie author community
Find your next favorite read
Join us FindIndieBooks.com
#IndieAuthors #FindIndieBooks #BookSky #Books #Author
Wikipedia @wikipedia.org Maybe the real treasure was the citations we made along the way.
donate.wikipedia25.org
Brandon Crilly (Announcements Only) @brandoncrilly.bsky.social he/him. Canadian SFF author: CATALYST (2022), CASTOFF (2025). Games writer: The Expanse RPG, ICONS. Vice chair of Can*Con. 2500-year-old Time Lord and snake parent. Repped by @glassglassmadeof.bsky.social at DMLA.
linktr.ee/brandoncrilly
God @thegodshow.com Creator of the Universe.
thegodshow.com
https://youtube.com/@thegodshowlive
Clean Energy Canada @cleanenergycanada.org One of Canada's leading clean energy think tanks. Based at Simon Fraser University. We share stories tracking the technologies and policies accelerating Canada's transition to a clean-powered economy.
Australian Antarctic Program Partnership @antarctic.bsky.social To protect Antarctica and the Southern Ocean is to protect our future on this planet. In this critical decade for action, our science explores the role of the Antarctic region in the global climate system. Led by @utas.edu.au.
🔗 aappartnership.org.au
Environmental Change Institute, University of Oxford @ecioxford.bsky.social Germinated in 1991 at the University of Oxford
One of the world’s first interdisciplinary research institutions, continuing to tackle the challenges of environmental change, its causes, impacts, and adaptive solutions.
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Whoabegogo @wonderingallowed.bsky.social Just a garden variety. ⬅️ (that is funny as hell to me). Sometimes irreverent, never cruel. Following experts, thinkers and funny sumbitches because their humanity helps fix my heart. Sharing mostly bird stuff because birds are amazing.
Skype a Scientist @skypeascientist.bsky.social We connect people with science!
Get matched with a scientist at SkypeAScientist.com
Use any video chat platform you'd like!
Check out our science street art!
Home of the squid facts hotline.
DM @SarahMackAttack.bsky.social for all urgent questions!
MarcosLab UR @marcoslabur.bsky.social Investigating the eye's optics, ocular structures & visual perception through advanced imaging technologies. Developing innovative ways for vision correction.
#VisionScience, #Optics and #Ophthalmology.
University of Rochester, New York
Ophthopedia @ophthalmology.bsky.social Latest updates on publications and news from #ophthalmology and #visionscience. Curated by @rohanbir.bsky.social.
Let the #OphthoSky begin! :)
Canadian Association of Gastroenterology (CAG) @cangastroassoc.bsky.social Advancing digestive health in Canada through research, education, clinical care, quality innovation, and advocacy. Learn more: https://www.cag-acg.org/
#GastroSky #GIsky #EndoSky #GIhealth #GIresearch
Dr Charlie Gardner @charliejgardner.bsky.social Conservationist, activist, writer and researcher, rebelling against extinction
Irish Doctors for the Environment @irishdocsenv.bsky.social An organisation of healthcare professionals and students in Ireland dedicated to promoting good health by addressing the health impacts of the climate and biodiversity crises through environmental care.
Registered charity (#20205893)
🔗 https://ide.ie
APTN News @aptnnews.bsky.social Official account for APTN News, our stories told our way.
UBC Science @science.ubc.ca News and events from the Faculty of Science at the University of British Columbia. 
Steve Mirsky @stevemirsky.bsky.social Retired layabout. ❤️🇨🇦 Former staffer, current contributor at Scientific American. https://www.scientificamerican.com/article/acknowledging-reality-is-an-excellent-way-to-function-within-it/
New Scientist @newscientist.com The best place to find out what’s new in science – and why it matters.
Ontario Brain Institute (OBI) @ontariobrain.bsky.social Establishing Ontario as a world leader in brain research, commercialization and care.
braininstitute.ca
Centre for Aging + Brain Health Innovation @cabhiinnovates.bsky.social CABHI, powered by Baycrest is a solution accelerator focused on driving innovation in aging + brain health.
cabhi.com
Allison Sekuler 🧠👁️🥁 @asek47.bsky.social SA Rotman Chair in Cognitive Neuroscience; President & Chief Scientist CABHI and Baycrest Academy for Research & Education; Prof U of T; Prof Emeritus McMaster; co-Host Defy Dementia
#visionScience #neuroscience #innovation #tech #aging #drumming #theatre
Rob Larter @polarrobs.bsky.social Polar marine scientist. UK Science Lead in Science Coordination Office of International Thwaites Glacier Collaboration. Views are my own.
On Mastodon @PoLaRobs@fediscience.org
Richard M. Carpiano, PhD, MPH @rmcarpiano.medsky.social Professor, University of California, Riverside School of Public Policy. Public health scientist & sociologist keen on population health & community issues. Sometimes in the news, often for troubling and frustrating topics. Opinions my own. 🇺🇸 🇨🇦
Dr Pete Knapp @peteknapp.bsky.social Air quality scientist & filmmaker. Made a film: Fires and Fascism https://fires-and-fascism.co.uk
Pestilence @pestilence4all.bsky.social Purveyor of microorganisms
Immunologist/Cancer biologist
Vaccines save lives
Facts are facts, whether you believe them or not
Buckle up, climate change is upon us, and things are about to get real hot
Novice photographer, Expert microscopist
Dr. Zachary Rubin @rubinallergy.bsky.social Pediatrician
Allergist/Immunologist
Bow tie aficionado
Hula hoops!
🚫Med advice
AISH_War_Room @aishwarroom.bsky.social Small disability group in Alberta shedding light on the increased 🇨🇦&🇺🇸 conservative assault on the #disabled. Strength in numbers so please follow!
#AISH Assured Income for the Severely Handicapped: our disability program stripped by Alberta's MAPLE MAGA.
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.
Madhu Pai, MD, PhD @madhupai.bsky.social Inaugural Chair, Department of Global & Public Health, McGill University, Montreal & Canada Research Chair in Epidemiology & Global Health 🇨🇦
Tweets: own views. He/him.
https://en.wikipedia.org/wiki/Madhukar_Pai
Flipboard Science Desk @sciencedesk.flipboard.social.ap.brid.gy Flipboard's page for news about science including space, climate change and more — from trusted sources. All posts written by human editors, especially for […]
🌉 bridged from ⁂ https://flipboard.social/@ScienceDesk, follow @ap.brid.gy to interact
Mark Ranger @markr4nger.bsky.social Environmental journalist and outdoor guide.
Currently based in Greater Yellowstone.
markdegraff.com
Retraction Watch @retractionwatch.com A project of The Center For Scientific Integrity https://centerforscientificintegrity.org/
Daily newsletter http://eepurl.com/bNRlUn
Database http://retractiondatabase.org
Tips team@retractionwatch.com (better than @ replies)
Climatologist49 @climatologist49.bsky.social PhD Climate Scientist. Alaska. The Earth is warming because of us. Mooseologist. All opinions are my own. Future FIFA Peace Prize winner. TDS. Signal: Climatologist.49
Northwest Climate Adaptation Science Center @nwcasc.bsky.social Federal-consortium partnership teaming scientists with natural & cultural resource managers to deliver science that helps fish, wildlife, water, land & people in the NW adapt to climate change. Home of @nwriscc.bsky.social. Hosted by @cig-uw.bsky.social.
Insta Science @instascience.bsky.social Your daily dose of science, tech, and cosmic wonder. Please turn on notifications, so you don’t miss a post. 🚀🛰️
#Science #Nature #Technology #Space
Ravi Kahlon @ravikahlon.bsky.social BC Minister of Health
MLA North Delta
Chair, Cabinet Committee on Tariff Response Two-time 🇨🇦 Olympian
Coach, Mentor and Proud Dad.
Dr Karen Pinder 🇨🇦 🔬 @drkarenpinder.bsky.social Professor of Teaching. Part owner of Canada. Covid conscious. I block mAgAts. 🌈🏳️⚧️ ally. Also 🐈 + 🐈⬛ = 😻
Privacy Badger @privacybadger.org Privacy Badger is a browser extension that automatically learns to block hidden trackers. Privacy Badger is made by the leading digital rights nonprofit @eff.org to stop companies from spying on you.
https://privacybadger.org/
PacBirds @pacbirds.bsky.social Gerrit
Wildlife photographer from Northern California
All photos are mine (except the reposts)
instagram.com/pacbirds
Kindness • Humility • Courage
pacbirds.myportfolio.com
BYTESEU @byteseu.bsky.social
BYTESEU
Bytes Europe
https://www.byteseu.com/
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
Raywat Deonandan 🍁🇨🇦 @deonandan.bsky.social Personal account of Prof Raywat Deonandan, PhD: Epidemiologist, award-winning educator, bestselling author, scourge of the ignorant & servant to a small child.
Extreme Temperatures Around the World @extremetemps.bsky.social Climatologist & Weather Historian.
www.mherrera.org/temp.htm
https://en.wikipedia.org/wiki/User:Maxcrc
Weather news. Climatic statistics and records. By M. Herrera
@extremetemps in all networks
Phil Lewis @phillewis.bsky.social detroit native. deputy editor at huffpost. WABJ president. check out my free newsletter! --> https://www.whatimreading.net/
Richard Deitsch @richarddeitsch.bsky.social Father of twins; fan of Toronto, NYC and Buffalo; host of Sports Media Podcast; SBJ, CBC Sports. Alum: SI, The Athletic, Sportsnet; part of two countries 🇨🇦🇺🇸
Vintage Obscura Radio @vintageobscura.net Listen to the station live here: http://vintageobscura.net
All tracks are:
- More than 25 years old
- Have fewer than 30,000 views on YouTube
- Curated by community reddit.com/r/vintageobscura
Andrea Berting @andreaberting.bsky.social she/her. Chicago. screenwriter, playwright, host of The Writer’s Cut: A Screenwriting Podcast, AFF 2023 Pitch Comp winner, breast cancer survivor. Rep: Logical Talent Management
www.andreaberting.com
Jon Brudvig @jonbrudvig.bsky.social Translating the Science of Health & Longevity
USD Bio Professor, Drug Developer
📖 Longer content on LinkedIn:
linkedin.com/in/jon-brudvig-phd-9b1830134
📰Sign up for my monthly Substack newsletter, Translation:
jonbrudvig.substack.com
Moving To Canada, on MovingInCanada.com @movingtocanada.bsky.social Moving in, around, and to Canada, with lots of tips from shopping for a home, moving, and immigrating to Canada. https://MovingInCanada.com
Images That Could Be Movie posters @imagesmovies.bsky.social Digital artist. All work is my own.