a community blog devoted to refining the art of rationality

a community blog devoted to technical ai alignment research

center for ai safety. reducing societal-scale risks from ai by advancing safety research, building the field of ai safety researchers, and promoting safety standards.

deeply researched interviews. click to read dwarkesh podcast, by dwarkesh patel, a substack publication with tens of thousands of subscribers.

open philanthropy's mission is to give as effectively as we can and share our findings so that anyone can build on our work.

oxford philosopher (videos, papers, interviews, bio, etc.)

a vibrant community of people who rarely agree with each other but who all love philosophy, this is the place for philosophical discussions about knowledge and truth, consciousness and the mind, language, science, religion, logic and mathematics, art, history, and lots more. no ads, no clutter, just fascinating conversations.

online math games and worksheets for k-6 that students love. used by millions of math students at home or in school worldwide.