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Posts by Ray Chatterji

This is a terrible idea. It essentially means people with disability or their carers have to run down their assets before accessing the NDIS. Which means living in poverty permanently

1 week ago 153 48 7 1
A picture of a small concretion (rock) with a white blob in the middle. this blob was described as the worlds oldest octopus and called Pohlsepia. Our research shows that hidden under the rock are teeth that confirm it is a nautiloid (a relative of modern nautiluses).

A picture of a small concretion (rock) with a white blob in the middle. this blob was described as the worlds oldest octopus and called Pohlsepia. Our research shows that hidden under the rock are teeth that confirm it is a nautiloid (a relative of modern nautiluses).

An artistic rendering of the rotting Pohlsepia on the seafloor 310 million years ago. Sharks, fish and arthropods lurk in the background

An artistic rendering of the rotting Pohlsepia on the seafloor 310 million years ago. Sharks, fish and arthropods lurk in the background

I am so unbelievably proud to present 8 years of hard work: the worlds oldest octopus is not an octopus...

Pohlsepia is actually a really rotten Nautiloid (but oldest soft tissue nautiloid ever found!). 🐙❌

royalsocietypublishing.org/rspb/article...

2 weeks ago 198 74 8 5
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I'm deep down the rabbit hole on FROGFISH, 60 species of anglerfish in family Antennariidae.

They are deeply, utterly WEIRD & MARVELOUS.

Most walk on modified fins.
Others use jet propulsion.
Some are capable of air-breathing.
Some are "hairy", others blend perfectly in sargassum.

1 week ago 3112 738 104 125

This was unjustified against Gaza and is unjustified now.

Noone believes - and Israel is not even claiming - that Israel is trying to minimise casualties (or eg that Hezbollah weapons were in those hospitals). It's an illegal invasion of Lebanon, and a series of war crimes.

2 weeks ago 246 76 4 4
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The axial skeleton of the tuatara (Rhynchocephalia: Sphenodon): insights on intraspecific variability, ontogeny, sexual dimorphism, and remarks on fossil taxa Abstract. As the sole living rhynchocephalian, the tuatara (Sphenodon punctatus) provides important comparative information for fossil rhynchocephalians an

axial skeleton of the tuatara (Rhynchocephalia: Sphenodon): insights on intraspecific variability, ontogeny, sexual dimorphism, and remarks on fossil taxa url: academic.oup.com/zoolinnean/a...

3 weeks ago 24 7 0 1

The most immediately notable part of the verdict is that people were convicted material support for terrorism for believing in antifascism and going to a noise demo where people lit off consumer grade fireworks.

1 month ago 612 259 4 9

Can confirm, every Signal chat in town either said nothing or made one snide comment and then immediately got back to work

1 month ago 1268 315 12 1

It's a big day for Australasian mammal fans, with three new marsupials from West Papua! For me, the best bit is that two of them closely resemble fossils from Pleistocene sites in Queensland. Papers are open access, so go read 'em!

1 month ago 3 2 2 0
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Egyptian geese bullying a pigeon. Being an asshole is also a convergent goose trait

Egyptian geese bullying a pigeon. Being an asshole is also a convergent goose trait

Anyway its a cool study!
You should read it. Its long but i promise its good

waterfowl are real cool. ducks are strange as hell

1 month ago 3 1 0 2

We also did a whole bunch of other stuff. We time calibrated the phylogeny. Waterfowl really started to diversify in the late oligocene to mid miocene.

We found that all the elements were integrated with one another. We think this limitation on shape might encourage convergence within the group.

1 month ago 1 0 1 0
Time dated phylogeny of waterfowl, with branches colour coded by foraging behaviour. On the right are the average hindlimb shapes for each foraging group, and the mean skull shapes for each dietary group

Time dated phylogeny of waterfowl, with branches colour coded by foraging behaviour. On the right are the average hindlimb shapes for each foraging group, and the mean skull shapes for each dietary group

Using a bunch of modeling stuff we found that foraging behaviour (whether they swam on the surface or dived or walked to get food) was the strongest factor selecting for shape.

Geese (Terrestrial herbivores) and Coastal macroinvertivore divers showed the strongest signs of convergence

1 month ago 2 0 1 0
4 PCA plots for waterfowl skull shape, femur shape, tibiotarsus shape, and tarsometatarsus shape. The skull is grouped together by diet and foraging. While the rest are grouped together by foraging behaviour

4 PCA plots for waterfowl skull shape, femur shape, tibiotarsus shape, and tarsometatarsus shape. The skull is grouped together by diet and foraging. While the rest are grouped together by foraging behaviour

We were interested in convergent evolution, particular as it related to foraging ecology. So we looked at the shape for the skull (eats the food) and hind limb (gets to the food)

we found a surprisingly strong ecological signal for all four elements, particularly for divers and terrestrial species

1 month ago 1 0 1 0
Mal musk duck on a lake

Mal musk duck on a lake

There weren't any major surprises, except maybe that pygmy geese are sister to stiff tail ducks like the ruddy duck.

We also once again confirmed that the musk duck Biziura lobata is really weird and has been doing it's own thing for a very long time

1 month ago 1 0 1 0
Molecular phylogeny of waterfowl, with the major groups within anatidae highlighted

Molecular phylogeny of waterfowl, with the major groups within anatidae highlighted

Anyone who works on waterfowl (Ducks, Geese, Swans, and Screamers) knows that their phylogeny has been a mess

There are a lot of convergent characters and no two molecular trees are the same.

So we created the most robust and well sampled tree to date, built on both nuclear and mitochondrial DNA

1 month ago 1 0 1 0
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Dietary specialization drives adaptation, convergence, and integration across the cranial and appendicular skeleton in Waterfowl (Anseriformes) Abstract. Convergence provides strong evidence for adaptation, reflecting similar responses to recurring selection pressures. Waterfowl (order Anseriformes

I can finally share my main postdoc project! It took a while but we finally got it out

So if you want to read about an updated phylogeny for waterfowl and all the convergent evolution they get up to boy do I have a paper/thread for you

academic.oup.com/sysbio/advan... 🪶🧪

1 month ago 9 3 1 0
Digital models of the skull and hindlimb bones of a duck.

Digital models of the skull and hindlimb bones of a duck.

Drivers of skull and hindlimb skeleton evolution in waterfowl: academic.oup.com/sysbio/advan... 🪶🧪 (📷 @raychatterji.bsky.social et al.)

1 month ago 22 5 0 0

Pauline Hanson has spent decades demonising Muslims in the Senate with zero consequences, but put an anti-fascist poster on your bar wall and the AFP comes knocking. Labor's first scalp under their hate speech laws isn't a hate group and that says everything.

2 months ago 458 176 7 7
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The special fossil fuel industry carve out hidden deep in Australia's nature laws, revealed To the casual observer, the long overdue reform to our federal environment laws – the Environment Protection and Biodiversity Conservation Act 1999 (Cth) (EPBC Act) – looked like a win for nature and ...

The Point is absolutely chock-full of great things to read today, including this by Kirsty Howe, the Executive Director of the Environment Centre NT:

thepoint.com.au/opinions/260...

2 months ago 51 39 3 2
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Shared with us from Sydney happening now. He had his hands up.

2 months ago 1508 811 323 355
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Trump, ICE set to be handed access to Australians' biometric data, ID documents

Exclusive | The Albanese government is handing access to Australians’ biometric data and ID documents to US agencies like ICE, and not telling anyone. @keanebernard.bsky.social reports.

2 months ago 153 131 31 59
Video

In what world would this be considered a “ceasefire” except the one where our prime minister calls for “social cohesion” then invites the leader of a state committing genocide to pop over for a visit whilst simultaneously arming them with weapons for that same genocide.

2 months ago 216 103 4 4
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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’

Worked hard to get this into Guardian Oz & big props to @fiercemum.bsky.social for setting it up & Melissa Davey for publishing it. She will doubtless get loads of hassle from transphobes for it, but it needs to be out there.
Puberty Blocker bans harm trans kids, no-one should pretend they don’t.

4 months ago 1142 450 17 16
Artificial intelligence and data centres
Australia is building domestic capabilities in artificial intelligence.

Home
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Snapshot - Data centres
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Helping to power digital transformation
Australia is becoming a regional data centre hub, and a global leader for artificial intelligence (AI). We are helping to power digital transformation in the Asia Pacific and the adoption of artificial intelligence technologies scross broad sectors.

Our economy hosts an outsized AI industry, including over 1,100 private AI companies.
Adoption of AI is strong across society, with over 400 public firms developing or deploying AI solutions.
Our vibrant AI ecosystem and proximity to Asia means we are becoming a service provider for the region, with AI-related patents quadrupling over the past decade.
Sydney and Melbourne are both top-ten data centre markets in the Asia-Pacific region.
Australia’s abundance of renewable energy resources means we are a great location for regional, green data centres. This includes supplying Asia via subsea cables. 
Australia aims to become a global leader in developing and adopting trusted, secure and responsible artificial intelligence, led by the National Artificial Intelligence Centre.

Australian AI Industry Capability Report
Unlocking potential with Australian AI, an industry capability report on Australia’s capabilities and expertise in artificial intelligence, highlights the achievements of Australian companies in the growing sector. Austra…

Artificial intelligence and data centres Australia is building domestic capabilities in artificial intelligence. Home chevron_right Do business with Australia chevron_right Explore a sector chevron_right Technology chevron_right AI and data centres On this page Helping to power digital transformation Australian AI Industry Capability Report Why buy Australian AI Why invest in Australia Strategic location as a data centre hub Australia emerges as an AI powerhouse How we can help Success stories Incentives, grants and support Snapshot - Data centres Snapshot - Artificial Intelligence Strategic direction Industry and research ecosystem How Austrade can help Helping to power digital transformation Australia is becoming a regional data centre hub, and a global leader for artificial intelligence (AI). We are helping to power digital transformation in the Asia Pacific and the adoption of artificial intelligence technologies scross broad sectors. Our economy hosts an outsized AI industry, including over 1,100 private AI companies. Adoption of AI is strong across society, with over 400 public firms developing or deploying AI solutions. Our vibrant AI ecosystem and proximity to Asia means we are becoming a service provider for the region, with AI-related patents quadrupling over the past decade. Sydney and Melbourne are both top-ten data centre markets in the Asia-Pacific region. Australia’s abundance of renewable energy resources means we are a great location for regional, green data centres. This includes supplying Asia via subsea cables. Australia aims to become a global leader in developing and adopting trusted, secure and responsible artificial intelligence, led by the National Artificial Intelligence Centre. Australian AI Industry Capability Report Unlocking potential with Australian AI, an industry capability report on Australia’s capabilities and expertise in artificial intelligence, highlights the achievements of Australian companies in the growing sector. Austra…

HEY FRIENDS!! Did you know that Australia - #2 in the world for data centre investment - is now formally missing its climate targets thanks in large part to the resulting surge in power demand?

It's massive news - @crikey.com.au let me NERD OUT to explain why:

www.crikey.com.au/2025/12/04/d...

4 months ago 416 201 12 18
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Buried detail in Labor's bill reveals how the government wants to override laws — and never tell you why Labor's reforms to environmental law establish a new power to wave through any project a government wants, for any reason. And it can do so in secret.

But don't worry, Graeme Samuel is waving his finger at us and telling us it's all good...

"Labor’s reforms to environmental law establish a new power to wave through any project a government wants, for any reason. And it can do so in secret."

www.crikey.com.au/2025/10/31/l...

5 months ago 33 17 3 2
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BREAKING: At least 51 Palestinians have been killed across Gaza by Israeli attacks since the ceasefire came into effect less than two weeks ago, medical sources have told Al Jazeera.

🔴 LIVE updates: aje.io/z1q2d3

6 months ago 612 452 29 64
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I really wanted to like it, but that end like third did not land for me at alll

6 months ago 4 0 0 1

I am deeply concerned about the treatment of people living in tents in the Southern Parklands in Adelaide. People are having their homes rolled up and removed while away, returning to find their important personal possessions gone. This is wrong, and unjust. 🧵

6 months ago 176 51 8 5

If you are AFAB in the US and concerned about abortion rights and know you never want kids, AT LEAST FOR NOW the ACA mandates insurance companies fully cover your sterilization procedure. I had a bisalp done and would highly recommend it (tho I don't think this applies to vasectomies unfortunately)

7 months ago 23 3 1 0
THE CUT

They Want the Shooter to Be Trans
By Lex McMenamin, a writer and editor at Teen Vogue.

THE CUT They Want the Shooter to Be Trans By Lex McMenamin, a writer and editor at Teen Vogue.

“Anti-trans harassment and violence is all the rage. Trans people are afraid to leave the country, let alone leave their houses. The right-wing ecosystem has gladly spent years creating these conditions, while Democrats have by turns avoided saying anything about them at all” 😞

👉🏻 archive.ph/ewBhT

7 months ago 1792 762 12 39