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Sean Geoghegan

@sea-geo.bsky.social
3.7K followers 5.7K following 368 posts

Retired Qualified #MedPhys Specialist in #TargetingCancer; South African born Australian of Irish descent who worked in Germany; humanist thinker; he/him; interested in games, radiation, physics, biology, #SoMe and positive cultural change. Slava Ukraini!

PostsRepliesMedia
Reposted by Sean Geoghegan
The Cathy Wilcox @cathywilcox.bsky.social · 27/08/2026
A valediction. My @smh @theage cartoon.
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Sean Geoghegan @sea-geo.bsky.social · 27/08/2026
This seems like a good legal judgement based on sound evidence. I have no issues with the resulting arrangement and it feels like a decent advancement of society to me. Best wishes to all families and children involved.
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David Roberts @volts.wtf · 25/07/2026
Whew, the editors of @science.org are getting real.
science.org
The Assault On Science Funding Continues
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Sean Geoghegan @sea-geo.bsky.social · 22/07/2026
Trans rights are human rights. It is a matter of moral urgency.
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Rachel Holliday Smith @rachelholliday.bsky.social · 09/07/2026
I'm been wondering if it would come to this and apparently it has. huge move from cloudflare, which hosts a fifth of all websites on earth.
adweek.com
Publishers Are Preparing to Opt Out of Google Search
The nuclear option is gaining traction as web traffic collapses and Google refuses to negotiate with content creators
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Wajahat Ali @wajali.bsky.social · 28/06/2026
Gluttons for Punishment The MAGA movement has used and abused people’s ignorance and fear about transgender people as a Trojan horse to implement its fascist agenda thelefthook.substack.com/p/gluttons-f...
thelefthook.substack.com
Gluttons for Punishment
The MAGA movement has used and abused people’s ignorance and fear about transgender people as a Trojan horse to implement its fascist agenda.
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Barbara Flowers @babsflowers.bsky.social · 27/06/2026
The entirely pointless Liberal enterprise almost as beautifully skewered as a Mad as Hell sketch : www.abc.net.au/news/2026-06...
abc.net.au
Hanson spawned the silliest semantic beard-stroking in 20 years
We've come a long way since it was Pauline Hanson who didn't know the meaning of big words.
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American Association of Physicists in Medicine @aapmhq.bsky.social · 24/06/2026
NOTABLE ARTICLE, May 2026 #MedicalPhysics: AAPM Task Group Report 336: Quality assurance for 3D printing in medical imaging and radiation therapy applications doi.org/10.1002/mp.70446 Please join us in congratulating Shuai Leng et al, whose article was selected.
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The Conversation UK @uk.theconversation.com · 24/06/2026
More than any other ancient relative, Lucy has challenged us to think deeply about what it means to be human.
tcnv.link
Three million years after Lucy walked upright in Africa, the inside story of another landmark journey
More than any other ancient relative, Lucy has challenged us to think deeply about what it means to be human.
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Sean Geoghegan @sea-geo.bsky.social · 21/06/2026
Are fish real, and are we just bipedal fish with big brains and interesting joints? So cool to see the connections …
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Ben Collins @bencollins.bsky.social · 18/06/2026
It’s been five years since Alex Jones lost InfoWars to the Sandy Hook families. As the verdict came down, he asked: “Do these people actually believe they’re getting any money?” He hasn't paid them a penny. Well, The Onion is going pay them anyway. The new InfoWars begins July 2nd at 8 p.m. ET.
ms.now
The Onion says it won’t wait for the courts, will launch Infowars to pay Sandy Hook families
The Onion’s staff is tired of waiting for the courts to settle its pending takeover of Alex Jones’ brand, so the new Infowars will launch next month.
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Kat Abughazaleh @katmabu.bsky.social · 18/06/2026
Alex Jones has gotten richer since a jury decided he owed the Sandy Hook families more than $1 billion. But they still haven’t seen a cent. But now they will. Thanks to the Onion.
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Tim Bale @timbale.bsky.social · 18/06/2026
Who says there’s no good news around these days? 🥳🎉🍾
bbc.co.uk
Cervical cancer deaths fall to zero in young women given vaccine
A new study finds that hundreds of lives have been saved since school-age girls were offered the HPV jab in 2008.
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Ian Carrillo @iansociologo.bsky.social · 12/06/2026
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Rachel Lense is Professionally Curious @rachellense.bsky.social · 14/06/2024
I made this Pride flag using only NASA images and our team thought it would be cool to share on social (I work on the NASA heliophysics communications team), but it's getting all sorts of hate on the bird app and Fbook. Thought y'all might be more appreciative of it here. ☺️🏳️‍🌈💖
A pride flag with every color band represented by a NASA image. White is Earth clouds, pink is aurora, blue is the Sun in a specific wavelength, brown is Jupiter clouds, black is the Hubble deep field, red is the top of sprites, orange is a Mars crater, yellow is the surface of Io, green is a lake with algae, blue is Neptune, and purple is the Crab Nebula in a specific wavelength.
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Guardian Australia @australia.theguardian.com · 02/06/2026
House prices are falling in Australia. That’s a good thing – if you believe housing is a basic human need | Saul Eslake
theguardian.com
House prices are falling in Australia. That’s a good thing – if you believe housing is a basic human need | Saul Eslake
Labor’s budget changes are not to blame for the recent dip in property prices. But the changes will help move housing away from investors – and that should be celebrated House prices in Sydney and Melbourne are down by 3.1% and 3.5% respectively, from their most recent peaks, according to the latest data from Cotality. Across Australia as a whole, house prices didn’t rise last month, the first time that has happened since January 2023. And the annual rate of house price inflation dropped to 9.5% from a most recent peak of 10.9% over the year to February. If these reports were about any of the other 86 classes of goods and services into which Australia’s consumer price index is divided, they would be greeted with universal approbation, and the government would be claiming credit for “easing cost-of-living pressures”. Continue reading...
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Rachel Maddow @maddow.bsky.social · 31/05/2026
Gift article. Very much worth your time: www.nytimes.com/2026/05/29/o...
nytimes.com
Opinion | This Is the Formula That Defeated Orban. It Would Defeat Trump, Too.
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Mayor Zohran Kwame Mamdani @mayor.nyc.gov · 01/06/2026
Discrimination based on gender identity or expression is illegal in New York City. Trans New Yorkers are protected by law. Our City will protect your rights, defend your humanity and stand beside you without hesitation.
them.us
NYC Mayor Zohran Mamdani Kicks Off Pride With “Trans Rights Are Human Rights” Campaign
The campaign will highlight existing protections for transgender and gender-nonconforming New Yorkers.
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Andy Fleming @slackbastard.bsky.social · 01/06/2026
'Antidote is a new report from Victorian Trades Hall Council outlining the vital role for workers and their unions in taking on the far-right.' Has anybody read this? www.weareunion.org.au/antidote
weareunion.org.au
Antidote - New Report from Victorian Trades Hall Council.
Antidote: Victorian Unions' program for taking on the far-right.
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Sean Geoghegan @sea-geo.bsky.social · 25/05/2026
Wow! Takes the Earth back to the days of the dinosaurs, at least in my childhood imagination influenced by all those picture books I read as a kid. Is this for real? Biased to hope so, it looks better than the books!
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House & Field Negro Quarterly @morethanmud.bsky.social · 23/05/2026
the hungry observatory
black and white photo of domed observatory beneath a full moon; opened at the top resembling the pac man video game about to eat an energy dot
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Scott Horton @robertscotthorton.bsky.social · 24/05/2026
Pope Leo preparing for release of a new encyclical on artificial intelligence:
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WeRateDogs @weratedogs.com · 22/05/2026
This is Bear, Australia's most famous koala detection dog. After a decade of service, he's retiring. He's located hundreds of injured or displaced koalas after forest fires. We're told his retirement will be filled with rest, cuddles, and maybe a little mischief. 15/10
a gray and white australian koolie with bright blue eyes looks directly at the camera with a tongue-out smile. he's wearing a blue vest and the sun shines down upon him.Bear stands on charred ground wearing his blue vest and red booties. he looks up toward the sky. he's presumably found a koala high up in a tree.Bear sits low to the ground on a sandy beach. the waves of the ocean come in behind him, but he's too focused on the orange and yellow ball sitting in front of him to notice.
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Sean Geoghegan @sea-geo.bsky.social · 19/05/2026
Get ready to claim your prize! Looking back at the OG post might bring you a pedantic smile, as you follow the steps to the top of the thread. No one is perfect, we are all human, especially @xkcd.com. There are years of goodness there. The smile is your prize.
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Otto English @ottoenglish.bsky.social · 19/05/2026
Great to see ABC news doing this - that's Rebel News panicking because if everyone does it they no longer have a business model @news.abc.net.au
ABC ditches millions of
Australians on X for safe
space on Bluesky


Calls to defund the ABC grow
after it abandons 2.6 million X
followers for just 2,000 on
Bluesky's left-wing safe space.


RUKSHAN FERNANDO | MAY 18, 2026
NEWS |O_1 COMMENT


The ABC has once again shown why so
many Australians are losing faith in the
taxpayer-funded national broadcaster.
There are now renewed calls to defund the
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CosmicRami 🏳️‍🌈🏳️‍⚧️ @rami.spaceaustralia.com · 19/05/2026
Folks, give a warm welcome to Australia’s national broadcaster @news.abc.net.au who are doing the right thing and migrating away from toxic Twitter and posting more on BlueSky. Great to see that ethics and integrity are of higher priority than follower numbers. Give them a follow!
Tweet from ABC News Australia saying “not seeing as many ABC News updates here as you used to? Find us on BlueSky”
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Adam Morton @adammorton.bsky.social · 16/05/2026
Good piece by @brigidwd.bsky.social www.abc.net.au/news/2026-05...
abc.net.au
One woman calls it 'potato brain'. She's among half of the workforce with burnout
Burnout is everywhere — in resignation letters, therapy sessions and late-night emails. Yet the debate over what it is reveals a bigger question: Should workplaces bear responsibility for the damage m...
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Charlotte Clymer @charlotteclymer.bsky.social · 30/04/2026
The artist Mark Winklemann, aka “Beeple,” has a new art installation in Berlin depicting tech billionaires on robot dogs with hyper-realistic silicone faces. They poop images taken with their visual sensory mechanism. I am both laughing and dreading the nightmares I will have from this.
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derek guy @dieworkwear.bsky.social · 29/04/2026
The way the outfits here create flashes of blue and white is very mesmerizing.
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Electronic Frontier Foundation @eff.org · 24/04/2026
In our latest Speaking Freely, attorney Lizzie O'shea discusses the impacts of Australia's current age verification and privacy laws on freedom of expression and what the rest of us should learn from the country's examples. www.eff.org/deeplinks/2...
eff.org
Speaking Freely: Lizzie O'Shea
Lizzie O’Shea is an Australian lawyer, author, and the founder and chair of Digital Rights Watch, which advocates for freedom, fairness, and fundamental rights in the digital age. She sits on the
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Ben Collins @bencollins.bsky.social · 21/04/2026
Got to say "one enema away from solving world hunger" on cable news' most watched show last night. InfoWars is already paying off.
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The Onion @theonion.com · 20/04/2026
www.theonion.info
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Yashar Ali 🐘 @yasharali.bsky.social · 20/04/2026
Absolutely incredible. NASA Astronaut Reid Wiseman, who commanded Artemis II, took this footage from the far side of the Moon with his iPhone. Watch with sound on.
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Paul Gregoire @paulrgregoire.bsky.social · 18/04/2026
Three and a half decades on from the Royal Commission, the crisis in Aboriginal deaths in custody is worse than ever, and as Senator Thorpe says, the lack of action is a "political choice" 👇 www.sydneycriminallawyers.com.au/blog/still-n...
sydneycriminallawyers.com.au
Still No Justice for Aboriginal Deaths in Custody 35 Years After Royal Commission
15 April 2026 marked the 35th anniversary of the handing down of the final report on Aboriginal deaths in custody, yet the crisis has only gotten worse.
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Sean Geoghegan @sea-geo.bsky.social · 17/03/2026
One of the best mayoral chats I’ve ever heard. Worth your time listening to Zohran here. He’s a leader of many and evidentially has a great team around him. Happy St. Patrick’s Day, all.
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Sean Geoghegan @sea-geo.bsky.social · 24/02/2026
Somehow this simple story moved me very much. Slava Ukraini in this fight against evil.
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Carl Zimmer @carlzimmer.com · 18/02/2026
One of the biggest questions in biology is how complex cells evolved about 2 billion years ago. Here's my new story on how scientists are solving the mystery of eukaryotes like us. Gift link: nyti.ms/4qMbo22
A pilot in a submersible vehicle collecting sediments samples in 30 meters of water looking for Asgards (microbial relatives of eukaryotes)
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Sean Geoghegan @sea-geo.bsky.social · 02/02/2026
This made me laugh at the calmness of the response. Australia is crazy sometimes, here it’s living up to the stereotype. It’s hard not to believe the stories are true, snakes and other venomous creatures are just like friends wanting to get home after a night out. youtube.com/shorts/s9RdN...
youtube.com
Sydney's fearless snake wrangler
YouTube video by Guardian Australia
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Twang 🍉 @twangmaker.bsky.social · 27/01/2026
The Australian flag is now a symbol of racial hatred and white supremacy. During the 1960s, Canada's previous Red Ensign flag, which featured a Union Jack, was also associated with racists. That's why Canada switched to the current maple leaf design🇨🇦 Time for Australia to change its flag. #auspol
Pauline Hanson, who spends her life spreading racism, draped herself in an Australian flag featuring the Union Jack, at the March For (White) Australia rally.
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Sean Geoghegan @sea-geo.bsky.social · 30/01/2026
Horribly informative, with deadpan humour that cuts deep onto how Americans might see themselves. Matter of fact, with disturbing facts of life in the USA. Hopefully you will never find this information useful in your life.
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Amy Remeikis @amyremeikis.bsky.social · 28/01/2026
What is being ‘normalised’ through politics and media is abhorrent and dangerous. www.thenewdaily.com.au/news/politic...
thenewdaily.com.au
Beware the new 'normal', it might be about to bite us
Some people just like power. Those same people enjoy sowing seeds of discord that they never have to actually solve, in order to keep it.
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Natacha @natacha.bsky.social · 28/01/2026
Re-upping this article in the Guardian Oz, about my research into the extreme harm being caused by Wes Streeting's puberty-blocker ban. UK mainstream media has collectively ignored my research (as I expected) but not the Guardian Australia. Needless the UK and US Guardian's didn't share it.
theguardian.com
Puberty blocker bans in Queensland and NZ risk extreme harm to trans youth, UK expert warns
Sociologist who surveyed effect of 2024 UK ban says denial of gender-affirming care has left trans and non-binary children in ‘abject misery and severe distress’
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Sean Geoghegan @sea-geo.bsky.social · 28/01/2026
A perfect dad joke built on current affairs - I managed to shaggy dog this story in conversation today, getting a rare laugh: “Did you know that on the premiere of Melanie there was only one seat sold, and that over the opening weekend only nine seats were sold. It’s not surprising that …
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Sean Geoghegan @sea-geo.bsky.social · 26/01/2026
Hot day in the sun, burning already after just getting out of bed. Definitely not sleeping while the world is turning. Worth the drive up from Burra in South Australia. A decent find on this family trip.
A bearded man in a green shirt wearing a hat and sunglasses is in front of a sunburnt field under a blue sky and bright sun. A stone house is over his right shoulder, and a copse of trees is over his left. The stone house is from the cover of a Midnight Oil album, and is known as the Midnight Oil House.
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Sean Geoghegan @sea-geo.bsky.social · 26/01/2026
A hot day in Burra, South Australia, at 42C. Doggo resting on the cool slate, ignorant of the heat outside and the geopolitical climate. Happy to have this hound with us on a trips to see family. George is a very good boy, especially when he takes a dip at Henley Beach, just floating there.
View down a colonial era country house hallway with a black dog lying on a mat on a slate floor. The bright daylight illuminates the coloured glass surrounding the front entrance door at the end of the hallway.
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Physicians for a Healthy Democracy @physiciandemocracy.medsky.social · 26/01/2026
Cartoon-
The Statue of Liberty dead on a gurney with an ICE agent at the head of the bed, with his gun drawn at Pretti who is trying to stop him.
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Dr Jeremy Walker @jeremywalker.bsky.social · 25/01/2026
BREAKING! WORLD FIRST! 🔥Australia's public broadcaster publishes extended #AtlasNetwork explainer by Gareth Hutchens. When I went on ABC radio 3 years ago to talk about the global Atlas network of 550+ orgs, no one had heard of it. Atlas HQ wanted to keep it that way. www.abc.net.au/news/2026-01...
abc.net.au
A discreet intellectual network has been reshaping the world for 70 years. Here's how
A constant battle of ideas reshapes the world we live in, and few groups have been more successful in winning the war than the little-known Atlas Network.
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annheiser.bsky.social @annheiser.bsky.social · 25/01/2026
My friend wrote this about Alex. She was his last nursing student. He taught her lessons we all need right now.
facebook.com
Jessica Hauser
I was Alex Pretti’s final nursing student. He was my friend and my nursing mentor. For the past four months, I stood shoulder to shoulder with him during my capstone preceptorship at the Minneapolis.....
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Amy Remeikis @amyremeikis.bsky.social · 25/01/2026
Excellent primer on the Atlas Network and it’s impact on Australia www.abc.net.au/news/2026-01...
abc.net.au
A discreet intellectual network has been reshaping the world for 70 years. Here's how
A constant battle of ideas reshapes the world we live in, and few groups have been more successful in winning the war than the little-known Atlas Network.
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Blair Palese @blairpalese.bsky.social · 25/01/2026
Don't like celebrating on 26th Jan but not sure how to honour our First Nations peoples and communities? The NGO Childrens Ground has shared this First Nations perspectives website so they can be heard. Take some time to read & share? january26.au?utm_source=s... #australiaday #invasionday #auspol
january26.au
January 26 | First Nations Perspectives
First Nations voices on January 26, sharing truth about invasion, the Stolen Generations, and our vision for children's futures.
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