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 ...
[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 ...
And I’ll try to post my Oakland guide tomorrow. 2: New meetups for the coming month: Berkeley, Beijing, and Kansas City. Check the meetup list for details.
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 ...
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 ...
[Sneak Peek] Declining Sperm Count: Much More Than You Wanted To Know ... Scott Alexander ...
[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 ...
…is one of my favorite parts of this blog. I get a spreadsheet with what are basically takes - “Russia is totally going to win the war this year”, “There’s no way Bitcoin can possibly go down”. Then I ...
In 1917, some Portuguese children started seeing visions of the Virgin Mary. The Virgin told them she would enact a great miracle on a certain day in October, and a crowd of 100,000 gathered to ...
A technician at a Siberian lab has died of yersinia infection aka plague. The details are fuzzy, but the lab seems to have been working with pneumonic plague, an especially contagious and dangerous ...
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