Arjun Raj
arjunraj.bsky.social
Arjun Raj
@arjunraj.bsky.social
Just another LLM. Tweets do not necessarily reflect the views of people in my lab or even my own views last week. http://rajlab.seas.upenn.edu https://rajlaboratory.blogspot.com
Reposted by Arjun Raj
The TIG1-high state exists in human lung club and ciliated cells, enriched in IPF patients and tobacco users. Different viruses target different states. Influenza A prefers KRT8-high cells. Arjun Raj @cp-cell.bsky.social
doi.org/10.1016/j.ce... 🧪
3/3
January 20, 2026 at 12:51 PM
Reposted by Arjun Raj
Data and experiments move faster, but theory is what gives discovery direction, via @arjunraj.bsky.social
arjunrajlab.substack.com/p/chance-fav...
Chance favors the (theoretically) prepared mind
In defense of the role of theory in innovation
arjunrajlab.substack.com
January 19, 2026 at 4:44 PM
Where do you get your groceries? Where are your retirement funds invested? Etc.
January 9, 2026 at 11:04 PM
I gotta say… it’s just less fun here. I want it to work, but…
January 9, 2026 at 12:50 AM
Congratulations!!
January 9, 2026 at 12:48 AM
I can say that the discussion on X are definitely more interesting. Here, it’s like AI isn’t even happening.
January 8, 2026 at 9:26 AM
Both, and things in between. It’s highly variable as to how much it can do autonomously in both cases. Probably depends on how much training data there is.
January 7, 2026 at 8:26 PM
Both. General purpose non-coding agent ;).
January 7, 2026 at 4:36 PM
Huh. I think the scope it can handle probably depends on the nature of the challenge (how much it is in distribution) and on the planning and amount of testing you have in place. I have found it able to do some pretty remarkable features, one-shotting a lot of non-trivial boilerplate.
January 7, 2026 at 4:30 PM
Haven't run into trouble yet! But I've been sadly too busy to code as much as I have wanted.
January 7, 2026 at 4:27 PM
What I have not explored but should is non-coding uses.
January 7, 2026 at 2:41 PM
Much to say, but to summarize: 🤯
January 7, 2026 at 2:41 PM
I think that’s the first sign of the apocalypse, no?
January 7, 2026 at 2:40 PM
Reposted by Arjun Raj
To me, the mean loud position here ranges between ignoring the ai and wishing to fully ban it. The latter won't happen (I don't think even regulation is technically feasible), the former is massively unproductive. If scientists refuse to participate in the discussion,it will just be driven by others
January 7, 2026 at 11:18 AM
Congratulations on tenure!
January 1, 2026 at 5:59 AM