Astro Physicist. Scientific Director @arXiv Planets, Stars, Black Holes & Stuff. Whole Universes, If Needed. Dynamics of Cats; To Say Nothing of The Dog.

In the future: Science will be done Science will be discovered and distributed Science will be used to do more Science ...
7
1,253
Steinn Sigurðsson retweeted
there will be within the next few years stunning advances in biology. there will whole new ways to think about what biological study even means. i would be only mildly surprised if there were near term solutions to problems like cancer, neurodegenerative disease, etc
159
195
3,506
309,100
Steinn Sigurðsson retweeted
Ruixiang Zhang told me about MathHelm, a non-profit site from mathematicians for mathematicians to discuss AI generated math papers. mathhelm.org/about
2
14
53
6,925
Steinn Sigurðsson retweeted
1/ Ok, first of two life-changing announcements for me. First, on Tuesday, we passivised the Swift telesope after nearly 22 years of operations, of which I was on board for 17. We haven't re-entered the atmosphere yet, but science operations are over. science.nasa.gov/missions/sw…
2
4
10
422
Steinn Sigurðsson retweeted
Thank you @SPARC_NA for interviewing arXiv for #OAWeek! arXiv's CEO chatted with SPARC about the cost of knowledge & what it takes to operate an essential open infrastructure in today's rapidly changing research landscape. Read the full profile here: openaccessweek.org/theme-pro…
6
13
2,165
Steinn Sigurðsson retweeted
Fernando Pérez and Joshua Bloom always believed open-source software could transform science. Today it’s real, and Fernando is helping Valency bring AI tools to researchers. Read more on our blog: blog.valency.io/posts/adviso… #AIScience #Berkeley
1
2
125
Steinn Sigurðsson retweeted
Today, we’re announcing an open call for guest investigators in life sciences. Over 8–12 weeks, guest investigators will work directly with my team and other Anthropic researchers to produce analyses and tools for their work. We’ll run our models and harnesses, at no cost to them. We’ll work together to open-source the resulting data, artifacts, and code, and write preprints about what we find. We want humans to remain at the center of scientific discovery, deciding what questions to pursue, and how to pursue them. Those decisions are not ours to make alone. This open call is part of our ongoing efforts at Anthropic to support researchers and accelerate scientific discovery. I’m looking for principal investigators and their research groups at academic institutions, nonprofits, or government labs, working in causal human biology, structural and computational molecular biology, medicinal chemistry, drug discovery, and clinical science. Applications are open for about 14 days: anthropic.com/news/open-call…
26
58
420
79,389
Steinn Sigurðsson retweeted
🚨Attention🚨 Upcoming scheduled maintenance to arxiv.org. On Wednesday, October 28, arXiv will be migrating our database to the cloud, which will result in a brief disruption to arXiv service. Read more on the blog: blog.arxiv.org/2026/10/21/sc…
3
25
136
14,527
Steinn Sigurðsson retweeted
How we are approaching AI at openRxiv - new blog post prompted by growing adoption by researchers, submission patterns, and questions from the community. 1/n
1
16
24
5,798
Steinn Sigurðsson retweeted
China has selected its first group of young researchers to receive funding for up to 15 years, in one of the longest research grants on offer to scientists globally go.nature.com/4z4Q3pw
19
400
1,629
255,540
Steinn Sigurðsson retweeted
👀
3
5
66
7,339
Steinn Sigurðsson retweeted
it’s pretty clear that anthropic are in the recursive vortex rn fable 5/5 is insane.
43
26
1,460
88,298
Steinn Sigurðsson retweeted
fable 5.5 will shock even the most acceleratey among you. vertigo time baby.
70
45
1,950
80,302
Steinn Sigurðsson retweeted
i don’t know who needs to hear this but if you’ve got ai working on anything serious. make sure your using multiple models, make sure they’re a council all reviewing each others work, make sure you’re taking multiple passes.
84
31
1,007
40,882
What is TMLR doing under a 300% increase in submissions? - Suspensions of >150 authors - Publicly naming major violations - Submission quotas distinguishing slop patterns - Desk rejections 6% → 53%; focus on clarity - AI reviews evaluating soundness blog.tmlr.org/2026/adapting-…
4
82
640
69,568