George Tsakraklides @tsakraklides.bsky.social Bestselling Substack writer, biologist, author of THE UNHAPPINESS MACHINE. Bioeconomics, Systemic Trauma, Capitalism. THE BIOLOGY OF COLLAPSE Out Now
georgetsakraklides.substack.com
Felicity Nelson @frogsandstars.bsky.social Award-winning freelance science & medical journalist | Bylines in Nature, Medscape, C&EN, Veritasium, ScienceAlert, The Guardian, ABC News, The Sick Times | http://frogsandstars.com (she/her)
Krista Shennum @kristashennum.bsky.social Researcher + advocate, mostly thinking about the human dimensions of the climate crisis, transition minerals, energy transition, and plastics. Currently @climaterights. she/her.
Matt Armes 🦎 🇪🇺 @lizardkmatt.bsky.social PhD researcher in lizard conservation genomics at Bangor University | Ecologist | Project Officer at the BBCARG | Passionate about conservation and herpetology
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
Kat Abughazaleh @katmabu.bsky.social Former congressional candidate and journalist trying to change politics for good :) | www.kapow.works/
Gail Waldby ❌👑 @gailwaldby.bsky.social Montanan, Yellowstone Park visitor
Sherrilyn Ifill @sifill.bsky.social Civil rights lawyer; democracy warrior, dedicated to racial justice & equality. Fmr President & Director-Counsel, NAACP Legal Defense & Educational Fund, Inc.
Charles Keener @charleskeener.bsky.social Anti-Zionist Free Palestine Ukraine Solidarity Anti-Racist Anti-Carceral Abolitionist Anti-Genocide Anti-Colonial Anti-War Anti-Imperialist Intersectional Feminist Queer LGBTQI+ Green Eco-Socialist People Planet Peace Interfaith Seeker of Beloved Community
Rep. Jim McGovern @repmcgovern.bsky.social Lisa's husband. Patrick and Molly's dad. Proud to serve the 2nd Congressional District of MA. Co-Chair of the Tom Lantos Human Rights Commission. Top Democrat on the House Rules Committee. Hunger is a political condition.
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
Rachel @rachelscicomm.bsky.social Media relations specialist at Rice University, covering the natural sciences.
Bruce Lanphear @blanphear.bsky.social For over 30 years, I’ve been studying how invisible poisons—lead, air pollution, fluoride, pesticides—damage human health. I’ve helped shape policies, raise alarms, and remind people that when it comes to toxic chemicals, no dose is safe. 
@lwrae.bsky.social @lwrae.bsky.social 
Radio Free America @radiofreeflorida.bsky.social Resistance Radio!
Dr Chris Macdonald @drchrismacdonald.bsky.social 👨🔬 Scientist | Founder | Author
🏥 Health Tech🍴Better Protein
🏆 40 Under 40 in Science
🥇 Innovation of the Year
📍 University of Cambridge
🎯 On a mission to provide 1M free treatments in 2026
🔗 DrChrisMacdonald.com
Kristina Fiore @kristinafiore.bsky.social I lead enterprise & investigative journalism at MedPage Today. Have a story? Get in touch. Signal: KristinaMedPage.64
California Dreamin’… 😎 @jerasikehorn.bsky.social JUST LIVIN' THE CALIFORNIA DREAM…🏊🏻♂️🚴🏻♀️🏖⛵️🌊
Fighting the GOOD FIGHT, one day at a time. Never give up, and NEVER lose hope.
Life is but a dream. Enjoy. 😎🌈✨
NO DMs!
Emma Mitchell @silverpebble2.bsky.social Sunday Times bestselling author: how nature & craft improve #mentalhealth |
BBC Springwatch | Etsy (silverpebble)| Creative & mental health workshops #AuDHD 🏳️🌈| Agent: Juliet Pickering
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Voice4Justice @voices4justice.bsky.social NYC-Based Israeli-American Activist🕊
#NoKings ❌👑
#TraitorsAmongUs
#StateCommissionInquiry⚖️
#SaveMasaferYatta 🏴☠️
#EndOccupation‼️
#Equality
#Peace
#2-StateSolution 🇮🇱🕊️🇵🇸
“Our lives begin to end the day we become silent about things that matter” MLK Jr
Dan Kaszeta FRHistS @dankaszeta.bsky.social 🇬🇧 London-based. 🇺🇸/🇬🇧 dual citizen. CBRN expert. Freeman of the City of London. Liveryman. "Legal Juggernaut". Anglican. Ex Verger. Author. Fellow of the Royal Historical Society. Scourge of llamas. Former US Army. Former USSS. #NAFO Fella
The Messy Ecologist @themessyecologist.bsky.social I’m campaigning for more messy spaces for nature, join our messy mission and let’s Rewild together by doing less- and letting nature do the rest!
PhD researcher - Rewilding with Beavers 🦫
Founder of the Wee Pond Project 🐸
@bethbbrookfield3.bsky.social @bethbbrookfield3.bsky.social Somebody working on the present. Dog person, hiker, love being outside, “Born on the Beach.” Always doing the #resistance. Anti-fascist.💙💙💙💙💙💙, connected to Glen. “WorldPeaceBeginsAtHome”
Ben Goldfarb @bengoldfarb.bsky.social Independent conservation journalist writing a book about fish. Author of CROSSINGS, on #roadecology, and EAGER, on beaver belief.
Green Dolphin Science @greendolphinsci.bsky.social 🌍 Welcome to Green Dolphin Science! 🚀
We're a small team trying to make a cutting-edge & easy to understand environmental science and chemistry podcast. We dive deep into newly published research, break it down and make it accessible.
Science HR @sciencehr.bsky.social A career network featuring science jobs in academia and industry.
Visit our platform at www.science.hr
Sofía Villalpando @sofiavillalpando.bsky.social M.S. in Biology, science communicator & digital producer at The Biologist Apprentice 🎬🌿
Tom Di Liberto @tdiliberto.bsky.social Climate scientist and science communicator who dabbles in comedy.
Creator of NOAA's Teek and Tom cartoon series focused on weather, climate and ocean science.
If in Washington DC, come check out my science improv troupe at Washington Improv theater
Jean-Philip Piquemal @jppiquem.bsky.social Professor of Theoretical Chemistry @sorbonne-universite.fr & Director @lct-umr7616.bsky.social| Co-Founder & CSO @qubit-pharma.bsky.social (My Views)
https://piquemalresearch.com | https://tinker-hp.org
Timothy Ciesielski @timcies.bsky.social Sc.D. Environmental Health, M.D., M.P.H.
Epidemiology, Omics, Diverse Evidence Integration, and Planetary Health
Context Matters
https://scholar.google.com/citations?user=cNC6RZwAAAAJ&hl=en
The Boston Globe @bostonglobe.com New England's leading source for breaking news and analysis.
bostonglobe.com
The Ocean Advocate @theoceanadvocate.bsky.social The Ocean Advocate's goal is to help cultivate a growing movement of people of all ages and from all regions who feel connected to the sea and inspired and empowered to take action to protect our life-giving ocean.
Learn about it. Love it. Look after it.
Brian at Hickory Nut Gap @bchunter.bsky.social Life in Asheville & the French Broad River watershed.
Rivers, salt marshes, tidal creeks, conservation.
UNC grad. Former financial & tax consultant. Now I'm a fish bum, it seems.
#humanist #globalist #flyfishing #waterman
Sanho Tree @sanho.bsky.social Fellow, Inst. for Policy Studies. Ex-historian posting about drug policy, social justice, and such. Professional border crosser. Interdisciplinary before it was cool (thanks Hampshire College). I use threads like a public filing cabinet. Personal account.
Fired but Fighting (National Public Health Coalition) @firedbutfighting.bsky.social Fired federal employees working to protect public health. Learn more at: https://www.firedbutfighting.org
linktr.ee/firedbutfighting
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Katelyn Jetelina @kkjetelina.bsky.social Epidemiologist, lover of the ocean and ice cream. Mom of two toddlers. Founder of “Your Local Epidemiologist”. https//yourlocalepidemiologist.substack.com
Laura Haynes👩🔬⚾️🐾💙 @drlaurahaynes.bsky.social Miami native & U Miami🙌🏽 grad now in Connecticut’s Farmington valley
Immunologist/Gerontologist/Professor
#TrustScience #VaccinesWork
#LGM #GoCanes🙌🏽 #UConnNation
Opinions are my own & do not represent my employer
Michael E. Mann @michaelemann.bsky.social Scientist/Author/Speaker; Presidential Distinguished Prof/Director Center for Science, Sustainability & the Media, U. Penn; National Academy of Sciences; American Academy of Arts & Sciences; Royal Society; Tyler Prize
Conn McQuinn @connmc.bsky.social Science, technology, and neuroscience educator, mostly retired but still kibitzing. Into cartooning, maker spaces, and storytelling. And because life demands it, politics. 
Andy Scollick @andyscollick.bsky.social Strategic defence planning and foresight | security and defence policy | interactions between climate change, energy, security, defence | former adviser to Ukraine's military | marine environmental policy | PhD in sustainability science | Ireland/Europe
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Union of Concerned Scientists @ucs.org The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems.
ucs.org
Dr. Sandra Steingraber 🏳️🌈 @ssteingraber1.bsky.social PhD biologist, author, climate activist, adoptee rights activist. Senior Scientist and Writer in Residence, Science and Environmental Health Network, Rachel Carson scholar with Library of America. Reminder: Nobody’s coming.
Arghavan Salles, MD, PhD @arghavansallesmd.medsky.social Having to write these bios gives me a sense of existential dread. In other news, some people on other platforms think I occasionally have interesting things to say.
#medsky
twitter @arghavan_salles
IG @arghavansallesmd
Tik Tok @arghavansallesmdphd
Roxana Daneshjou, MD, PhD @roxanadaneshjou.bsky.social Assistant professor of biomedical data science and dermatology at Stanford. AI for healthcare. Associate editor at NEJM AI and the Journal of Investigative Dermatology. Mother of a sassy girl and a baby boy. 
Ed Maibach @maibached.bsky.social I'm a health professional who’s all in on using the science of science communication to fight climate change. My message: The end of fossil fuels will be a new beginning for health. #Resist
Yale Center on Climate Change and Health @cchyale.bsky.social Utilizing Yale University's multidisciplinary expertise and global reach to address one of the greatest public health challenges of the 21st century. 🌎🌱
🏡 Housed at the Yale School of Public Health
Connect with us! 👉 linktr.ee/yccch
Penn Center for Science, Sustainability & the Media @penncssm.bsky.social Penn Center for Science, Sustainability, and the Media focuses on challenges and opportunities in communicating climate and environmental sustainability. Email us to connect: upenncssm@sas.upenn.edu.
https://web.sas.upenn.edu/pcssm/
Byrd Polar and Climate Research Center @byrdpolar.bsky.social The Byrd Polar and Climate Research Center (BPCRC) at The Ohio State University is recognized internationally as a leader in polar, alpine, and climate research. Our research programs are conducted in Ohio throughout the world.
Prof Lisa Schipper 🌍🍉💪 @lisaschipper.bsky.social Climate adaptation & development•Prof Development Geography @giubresearch.bsky.social•Co-EiC @climdevjournal.bsky.social•PI @dependencybonn.de•Associate @sei.org & @ecioxford.bsky.social• @welthungerhilfe.bsky.social•she/her/Du•Servant to 2 rescue 🐈⬛ •🇸🇪
Wildcat (they/them)🏳️⚧️ @wildcat-russell.bsky.social Progressive Dem; solar engineer; climate activist, ally for trans folks & those w/ disabilities/obesity; anti-racist; peace; fiddler; dancer; queer; CO
Len Adams @beaulen.bsky.social I’m a boy about town
Leanne Watt, Ph.D. @leannewattphd.bsky.social Clinical psychologist. UCLA-trained. @NBCNews THINK Op-Ed contributor. Writes @ intersection between psychology & politics. Neuroscience of trauma & attachment.
Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social Professor at ETH Zurich, IPCC WGI Vice-chair.
#Climate #Extremes #Land.
Citizen/mum/scientist. Personal account.
https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Chapter11.pdf
Twitter/X: @SISeneviratne
https://www.iac.ethz.ch/people/sonia
Prof Richard Betts @richardabetts.bsky.social Climate scientist, University of Exeter & Met Office. Expert Adviser to Adaptation Committee of the Climate Change Committee. Lead author IPCC AR4, AR5, AR6 & AR7. Live music lover, supporter of grassroots venues. Cycles a lot, rock climbs occasionally.
Jonathan Eisen @phylogenomics.bsky.social Professor at UC Davis
Work: phylogenomics & microbiomes; wildlife and aquatic microbiology; #openscience;
Other: #birds; baseball; T1D
Lab phylogenomics.me
Pics jonathaneisen.smugmug.com
Links linktr.ee/jonathaneisen
TED go.ted.com/6WPm
Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social Blue in Arizona, forged in the Burgh.
1elizabethtjacobs1@gmail.com
@defendpublichealth.bsky.social
https://www.defendpublichealth.org
DrSeus @nijocamus.bsky.social Cat lady🐈. Aerialist. Reader. Designer/Artist/former-Scientist/Educator. Politically engaged. Comfortable with complexity. Or something like that. 😜
Dr. Céline Gounder @celinegounder.com MEDICINE / INFECTIOUS DISEASES / EPIDEMIOLOGY / JOURNALISM
🔹 Editor-at-Large for Public Health at @KFFhealthnews.bsky.social
🔹 Medical Correspondent for CBS News
🔹 Prof/Doc at NYU Grossman School of Medicine & Bellevue Hospital
Dr. Katy Croff Bell @katycroffbell.bsky.social Explorer of oceans, crafter of nifty things, mother of rascals, avoider of COVID
@oceandiscleague.bsky.social Founder & President
@NatGeo Explorer
@aaas.org Ambassador
@theexplorersclub.bsky.social EC50
Posts & opinions mine alone.
Claire Richards, PhD, RN @clairerichards.bsky.social Assistant Professor of Nursing
Climate & Energy Justice, Planetary Health
Disruption, Resistance
I criticize the Dems too.
Mallory Barnes @mallorybarnes.bsky.social Assistant Professor at Indiana University. I think about nature-based climate solutions, remote sensing, drylands, and plant-climate interactions. 
Ruth Malone, RN, PhD @remalone.bsky.social UCSF Prof Emerita Nursing/Public Health Policy. Car-free Senior. Dismantle the billionaire benefit machine & help poor people. Call your Congressional Representatives. STOP FASCISM. FIGHT FOR DUE PROCESS. AND PUT BIG TOBACCO OUT OF BUSINESS!
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
Diane Horvath, MD, MPH @gynandtonic.bsky.social She/her. OB/GYN, complex family planning, menopause. Co-founder and CMO of Partners in Abortion Care in Maryland.
partnersclinic.com
Sabine Hossenfelder @hossenfelder.bsky.social German Physicist
500 Women Scientists @500womensci.bsky.social We aim to serve society by making science open, inclusive, and accessible. Also @500womensci on Instagram and Facebook. Find out more: https://500womenscientists.org/
https://linktr.ee/500womenscientists
Dr. Rebecca Barnes (she/her) @waterbarnes.bsky.social Chronicling science, pet, & art adventures. #biogeofeminist catalyzing change -- to make the scientific enterprise welcoming & just. Sometimes creative, always sassy 🏞️⚛️💦🌿🏳️🌈☮️💙⚒️✍️🎨🐾
Suzanne Blum Laboratory UC-Irvine @blumlaboratory.bsky.social Mechanistic chemists bridging organic chemistry, catalysis, polymers, sustainable chemistry, and microscopy to understand how reactions work. Student and postdoc run account.
Lab website: https://blumgroupuci.squarespace.com
Critically Speaking with Therese Markow @criticallyspeaking.bsky.social 🎙️ Critically Speaking with Dr. Therese Markow:
A podcast at the intersection of science and society.
Listen at https://pulselink.bio/criticallyspeakingpodcast
Andrea Love, PhD | Biomedical Scientist @drandrealove.bsky.social 👩🏻🔬 Immunology | 🦠 Microbiology
🧫Cancer Biology | 🧬 Biotechnology
SciComm | Data | Snark
Founder: ImmunoLogic
Director: American Lyme Disease Foundation
w: immunologic.org | ALDF.com
The Action Potential @youaretap.bsky.social We work for the Questioning Class, turning "Why?" into "What’s next?" by transforming curiosity into action for a smarter, informed future.
Lori Friedman @califam.bsky.social Scientist 🧫🧬Ally 🏳️🌈 🏳️⚧️
Craig Spencer MD MPH @craigspencer.bsky.social ER Doctor | Ebola Survivor | Public Health & Humanitarian Response | Historical Determinants of Public Health at Brown School of Public Health | Member Council on Foreign Relations | Emmy Award Winner 🏆
Angie Rasmussen @angierasmussen.bsky.social Virologist. PI working at but not speaking for USask. Co-EiC of Vaccine. 🇺🇸 in 🇨🇦. Emerging viruses, pathogenesis, zoonosis, host responses, dogs, football, off-color language, transcriptomic chaos. Opinions my own.
Jace D. Flatt, PhD, MPH (They/He) @jaceflatt.bsky.social Social & Behavioral Scientist, LGBTQIA+ 🏳️🌈🏳️⚧️ Health Equity, Alzheimer’s, Parkinson’s, Housing, Social Justice
Cassandra Paul @cassandrapaul.bsky.social Physics & Astronomy | Science Education Professor (she/her)
STEM education researcher, PER, parent of 3, runner, lover of the outdoors and Sci-Fi/Fantasy fiction
Douglas Natelson @nanoscaleviews.bsky.social Physicist, occasional wiseass. Feed for Nanoscale Views (http://nanoscale.blogspot.com). He/his. These opinions are my own, obviously, and don’t represent my employer. (Annoyed that I feel like I have to say that.)
Dr. David Miller 🏳️🌈 @davidimiller.bsky.social Physicist Turned Psychologist | Senior Researcher in #STEMed | Meta-Analysis Nerd | https://d-miller.github.io/
Also posts about 🧪 science funding to focus my attention.
Personal account. I don’t speak for my employer or any other orgs.
Jennifer Goff, PhD @jlgoff.bsky.social Assistant Professor at SUNY College of Environmental Science and Forestry 🌳 | President of CNY ASM | BS @ Georgia Tech, PhD @ Rutgers, Postdoc @ University of Georgia I Environmental microbiology | jenniferlgoff.com | I am not an institutional spokesperson
Sherry Pagoto, PhD @drsherrypagoto.bsky.social Professor, psychologist, NIH-funded scientist. Digital health, social media, healthy lifestyle. Past prez @behavioralmed. Occasional writer about relationships and health.
Anne Simon 🧪🌱🐴🦠🍊🇨🇦🇺🇦 @annealiz1.bsky.social Professor University of Maryland, co-founder Silvec Biologics finding RNA solutions to plant diseases, love Plant Virology, author Real Science Behind The X-Files, and passionate about dressage!
Winston Saunders @winstonas.bsky.social Got me some TACO for lunch. 🥙
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.com/
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
Andrés Ospina-Álvarez @andresospina.bsky.social Marine Scientist at Mediterranean Institute of Advanced Studies IMEDEA UIB-CSIC (Balearic Islands, Spain)
1) Network analysis in ecology
2) Transport, dispersion & connectivity of marine organisms
4) Spatial planning & MPA design
3) Seafood trade analysis
Dr. Jennifer Pfeifer @jenndsn.bsky.social dev soc neuro professor @uoregon • studying the changing bodies, brains, & social worlds of adolescents • National Scientific Council on Adolescence • she/her
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
Dr. Jen Irwin @drjenirwin.bsky.social Professor, Health Promotion, views are my own. Evidence-informed decision-making is important. Integrity matters. N95 wearer. Dog mom. (She/her) 🇨🇦
Todd Goldman (DrJen Adjacent) @drjenadjacent.bsky.social Retired tech executive, and now a magician. I am not Dr Jen Gunter and not a doctor. I am just adjacent to her, so imagine me next to Jen in this picture. I am American sugar to her Canadian spice.
Dr. Jennifer Pett-Ridge @jeffinerca.bsky.social Mom/mentor/microbial ecologist. Soil C persistence & CDR for healthy soils and climate resilience. Using stable isotope probing, ‘omics, systems analysis. Lead of LLNL Carbon Initiative, Microbes Persist, & Terraforming Soil Earthshot. Roads2Removal.org
Dr. Dave Huber, Soil Scientist 🔥 @dphuber.bsky.social Soils, agriculture, & ecosystems. I study dryland carbon & nutrient cycling, hydrology, fire ecology, & invasive species. Managing Member https://imwestconsulting.com/
Dr. John Grohol @grohol.com Founder of Psych Central (7M users/month before sale in 2020). Mental health expert & advocate, technologist, author, researcher.
Vanessa Sung, PhD | 宋宜臻，生化博士 🇹🇼🇨🇦 @vanessasung.bsky.social Scientist striving for impact at the intersection of science, policy, and justice. Believer in community power. Views mine. She/her 🧪
Rebellions are built on hope.
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com