Should safety-conscious employees at AI companies quit in protest, or stay and fight? The latest argument didn’t resolve the ...

An anonymous “editor” explains how a fat curate of his acquaintance had used torn pages from a small memorandum book as wadding paper while hunting; the few surviving pages of that memorandum, ...

[I haven’t independently verified each link. On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or misleading. I correct these as I ...

There are two laws of the ACX Meetup Czar. First, that there are a lot of ACX meetup groups. Second, that there are not enough ACX meetup groups. Twice a year, Scott advertises upcoming meetups and ...

[This is one of the finalists in the 2026 book review contest, written by an ACX reader who will remain anonymous until after voting is done. I’ll be posting about one of these a week for several ...

[This is one of the finalists in the 2026 book review contest, written by an ACX reader who will remain anonymous until after voting is done. I’ll be posting about one of these a week for several ...

This is the weekly visible open thread. Post about anything you want, ask random questions, whatever. ACX has an unofficial subreddit, Discord, and bulletin board, and in-person meetups around the ...

A friend asked me to investigate the following mystery: why do 5-10% of skulls from 10,000 BC to 3,000 BC, all over the world, have holes in them? Why do bone growth patterns indicate that most ...

AI companies like Anthropic and OpenAI have long mentioned the possibility that their products could be existentially dangerous, but this has recently crescendoed into even more dire warnings, ...