Scott's monthly links roundup covering AI progress, the coming flood of philanthropic funding to effective altruism from AI companies, new research on persuasion and forecasting, and various scientific and cultural topics ranging from dementia prevention to Romanian politicians' embarrassing quotes. Longer summary

This is the second part of Scott Alexander's monthly links roundup for July 2026, covering a wide range of topics including AI developments, effective altruism funding waves, healthcare research, and cultural curiosities. Major themes include Chinese AI models catching up to the US (though still 6-12 months behind), the coming "third wave" of American philanthropy from AI company equity donations potentially flooding effective altruism with $40 billion/year, AI systems now outperforming humans at persuasion in specific contexts, and various scientific findings from dementia prevention to infinite ethics. The post maintains Scott's characteristic style of jumping between serious technical analysis, historical oddities, and humorous observations, with extensive linking to sources and ongoing debates in the rationalist and effective altruist communities. Shorter summary

Scott Alexander responds to critiques of his 2021 ivermectin analysis, acknowledging some errors but maintaining his conclusion that ivermectin likely doesn't work for COVID-19. Longer summary

Scott Alexander responds to Alexandros Marinos' critique of his 2021 post on ivermectin studies, addressing points about individual studies, meta-analysis methods, publication bias, and new evidence since 2021. He acknowledges some mistakes in his original analysis but maintains his overall conclusion that ivermectin is likely ineffective for COVID-19. Shorter summary

Scott Alexander responds to comments on his ivermectin article, discussing criticisms, the worms hypothesis, vaccine skepticism, and journalism quality. Longer summary

This post highlights comments on Scott Alexander's previous article about ivermectin as a potential COVID-19 treatment. Scott responds to criticisms from ivmmeta.com, discusses the worms hypothesis with various commenters, addresses concerns about the TOGETHER trial, and shares perspectives on vaccine skepticism and journalism quality. He also reflects on his own writing process compared to traditional journalism. Shorter summary

Scott Alexander analyzes ivermectin studies for COVID-19, finding most positive results likely due to methodological flaws, fraud, or confounding by parasitic infections. Longer summary

Scott Alexander provides an in-depth analysis of ivermectin studies for COVID-19 treatment, examining methodological issues, potential fraud, and confounding factors. He concludes that ivermectin likely doesn't significantly reduce COVID mortality except potentially in areas with high parasitic worm infections. The post explores broader issues around scientific credibility, fraud detection, and public trust in science. Shorter summary