On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or ...

[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 ...

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 recent poll finds that 39% of young people “feel uncertain” about having children because of climate change. And sure, people say a lot of things on polls, but people seem to be talking about this ...

[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 ...

You’ve probably heard AI is a “black box”. No one knows how it works. Researchers simulate a weird type of pseudo-neural-tissue, “reward” it a little every time it becomes a little more like the AI ...

Oxford philosopher Nick Bostrom got famous for asking “What if technology is really really bad?” He helped define ‘existential risk’, popularize fears of malevolent superintelligence, and argue that ...

Many cities have regular Astral Codex Ten meetup groups. Twice a year, I try to advertise their upcoming meetups and make a bigger deal of it than usual so that irregular attendees can attend and new ...

This is a guest post by Drew Housman, whose review of Dominion earned finalist status in the 2024 ACX book review contest. If you are unsuccessful for long enough on your pregnancy journey, and none ...

Ajeya Cotra’s Biological Anchors report was the landmark AI timelines forecast of the early 2020s. In many ways, it was prescient - it nailed the scaling hypothesis, predicted the current AI boom, and ...