Marcus Davis is the co-founder and lead researcher at Rethink Priorities, a nonprofit conducting foundational research on neglected causes within the Effective Altruism movement. Marcus also co-founded Charity Entrepreneurship and Charity Science Health. Rethink Priorities has put out a lot of impactful research on topics like nuclear war, invertebrate sentience, and ballot initiatives, in addition to taking on the crucial task of conduc ing the annual Effective Altruism survey. They’ve managed to do a lot with an annual budget of less than half a million dollars and are accepting donations. Residents in the US, UK, Canada, Germany and Switzerland can make tax-deductible donations here: https://www.rethinkpriorities.org/donate   We discuss:  Rethink Priorities’ goals, how much we should worry about nuclear war, fish stocking, the promise of ballot measures for passing progressive policies and animal welfare protections, recent ballot measures on psychedelic decriminalization, determining the sentience of animals, whether octopuses are aliens, who makes up the Effective Altruism movement, how to reach people who aren't young STEM grads, how less effective interventions can still be improvements over the status quo, the ways in which EA doesn't reflect society at large and steps that could be taken to rectify that, and what Rethink Priorities can do with your money   Show notes: Luisa Rodriguez’s series on nuclear war The Doomsday Machine by Daniel Ellsberg Rethink Priorities’ presentation on ballot initiatives Psychedelic ballot initiatives Nagel’s paper “What Is It Like to Be a Bat” Invertebrate Sentience Table David Foster Wallace’s essay “Consider the Lobster” Other Minds by Peter Godfrey-Smith Octopuses may be aliens: A controversial study has a new spin on the otherworldliness of the octopus Results of the 2018 EA survey Article on GiveDirectly’s disaster relief program: Google’s unusual plan for disaster relief: just give survivors money Superintelligence: The Idea That Eats Smart People