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Twitter used to be my favorite place on the Internet. I've derived enormous value from it in the past 16 years. Not true anymore. Most of the people I enjoyed reading have left. My feed, which used to feature art and science and technology and humor, has become constant

Standing up for science in D.C.

In the spirit of making more real world evals, here is the Factorio Learning Environment (FLE). Spurred by wanting to eval if models are good paperclip maximisers, we check how well agents build factories for other things 🏗️🏭🛠️

I found out this morning that my NIH NICHD News F31 fellowship to study the biomechanics of uterine fibroids was CANCELLED.

control is a complimentary approach to alignment. its really sensible practical and can be done now, even before systems are superintelligent. here's our latest ant rountable talking about this: youtu.be/6Unxqr50Kqg?si…

There are days in life that shake you. I’m shattered 💔 to share that I just found out that the US Government terminated my 2024 NIH Director’s Early Independence Award (~$2 million), threatening my long-promised assistant professor job at Columbia University & academic career... 1/🧵

here you go... next version of Obsidian Web Clipper has nice Markdown export for Claude and ChatGPT out of the box

John B. Holbein cremieux.xyz/p/ranking-fiel…

1) WHAT

Thrilled to share our state-of-the-art method for in vivo cell-type classification and brain region localization, NEMO, which is now now a spotlight at #ICLR2025! We use NEMO to characterize the electrophysiological diversity of cell-types across the entire mouse brain. 🐭 🧠

Excited to announce that this fall I'll be joining Jacob Andreas's amazing lab at MIT for a postdoc to work on interp. for reasoning (with Ev (like in 'evidence', not Eve) Fedorenko 🇺🇦 🤯 among others). Cannot wait to think more about this direction in such a dream academic context!

We release Claude Opus 4 under the ASL-3 Standard. Listed below are some threads / efforts folks implemented that i think are really worth others adopting!