Brian Toon joins us to discuss the risk of nuclear winter. Learn more about Brian's work: https://lasp.colorado.edu/home/people/brian-toon/ Read Brian's publications: https://airbornescience.nasa.gov/person/Brian_Toon Timestamps: 00:00 Introduction 01:02 Asteroid impacts 04:20 The discovery of nuclear winter 13:56 Comparing volcanoes and asteroids to nuclear weapons 19:42 How did life survive the asteroid impact 65 million years ago? 25:05 How humanity could go extinct 29:46 Nuclear weapons as a great filter 34:32 Nuclear winter and food production 40:58 The psychology of nuclear threat 43:56 Geoengineering to prevent nuclear winter 46:49 Will humanity avoid nuclear winter?
Emilia Javorsky explores how AI can realistically aid cancer research, where current hype exceeds evidence, and what changes researchers, policymakers, and funders must make to turn AI advances into real clinical impact.
Researcher Zak Stein discusses how anthropomorphic AI can exploit human attachment systems, its psychological risks for children and adults, and ways to redesign education and cognitive security tools to protect relationships and human agency.
Andrea Miotti, founder of Control AI, discusses the extreme risks from superintelligent AI and his case for a global ban on systems that could outsmart humans, touching on industry lobbying, regulation strategies, public awareness, and citizen actions.
