This is on the philosophy (not mechanics) of the predictive limitations of so-called artificial intelligence models. AI is no different than other models in principle, being only statements which connect…

That lack of, or low, serotonin drives "depression" is a medial truism, say many. Those who say it most strongly are those companies manufacturing chemicals to boost serotonin levels (or…

Steve Sailer highlights an interesting new paper on "cognitive ability" and genetic ancestry (which, in an effort to forestall criticism, perhaps, Sailer calls a "scientific paper"). It's "Linear and partially…