Yes, there is an -ology for that. And yes, we’re airing this episode -– with a ton of 2025 updates -– because it’s never felt more relevant. Dr. Robert Proctor is a Stanford professor of the History of Science and co-edited the book “Agnotology: The Making & Unmaking of Ignorance,” having coined the word 30 years ago. We chat about everything from tobacco marketing, to the sugar lobby, to racial injustice, horse vision, the psychology of the Flat Earther movement, which countries have the highest rates of climate denial, empathy, how to navigate difficult conversations and why it's critical to dismantle the systems of willful ignorance, starting locally.