This page shows a selection of recent videos (from 2021 onwards) of conference talks and other public events. A complete record of radio, TV, webinar, and other online appearances can be found on this page.

TeDCog YouTube channel:

TeDCog YouTube channel


Episode 716 Persistent Fact-checking by Project Save the World

Stephan Lewandowsky knows how to convert conspiracy theorists: Just keep arguing with them. Most people get exasperated and quit, but AI is patient and keeps arguing logically. Finally they concede!

Read on Substack

Project Save the World Podcast (28 Sep 2025). Persistent Fact-checking


Climate Change, Populism, and Disinformation. Eighth lecture of the European Center for Populism Studies (ECPS) Academy Summer School 2025, 11 July 2025


Responding to climate disinformation. Module 2 in European Digital Media Observatory (EDMO) Training Series on Climate Disinformation, 10 July 2025


Honest Liars and the Threats to Democracy. Appearance at Ratio Forum 2025: The Magic of Reality. Sofia, Bulgaria, 7 June 2025: Presentation


Honest Liars and the Threats to Democracy. Appearance at Ratio Forum 2025: The Magic of Reality. Sofia, Bulgaria, 7 June 2025: Panel discussion


Honest Liars and the Threats to Democracy. Appearance at Ratio Forum 2025: The Magic of Reality. Sofia, Bulgaria, 7 June 2025: Fireside chat


Agent 001 podcast (13 Jun 2025). Social media has changed how politicians communicate, recorded during the Ratio Forum in Sofia.


Interview on Преди обед (“Before Noon”), bTV, Bulgaria, 6 Jun 2025 (in English with Bulgarian translation)


Why do they go after universities? Feedback loops between academic repression and democratic backsliding, and advice from the coalface. Panel discussion at Australian Festival of Democracy and Human Rights (virtual), 4 June 2025


Make facts matter again: Pushing back against misinformation and disinformation, Association of Health Care Journalists (AHCJ) on-demand webinar, 5 Mar 2025


As Per My Last Podcast Episode…, Never Post! podcast, 13 Mar 2024


Video contribution to public exhibition on conspiracy theories and fake news, University of Milan, 5th to 22nd February 2024

Public Service video for Regroup Horizon 2020 (29 Jan 2024)


Architecture of Honesty: Fact, Fiction, and the Technology Trap, Harvesting Happiness podcast, 17 Jan 2024


Newswise Misinformation and Communications Expert Panel, 26 Apr 2023


CBC News TV Canada interview, 28 Jan 2023


Demagoguery, Technology, and Cognition talk for #Webimmunization project, online seminar, 6 Mar 2023.


Science vs Emotions in the post-truth world, Luxembourg Sustainability Forum 2022, 11 October 2022.


Talk to Digital Technologies and the Stakes for Representative Democracy Conference, Hellenic Parliament, 11 June 2022.


Transparent but not naked: Avoiding the weaponization of reproducibility. Public talk at Final Symposium: Reproducibility and replicability in science, 1 June 2022, Brussels.


The psychology of Putin’s propaganda, Times Radio, 23 May 2022.


Technology & Democracy. Cognitive Pressure Points & Solutions, PERITA Lecture [virtual], 19 October 2021.


From agenda-setting to furtive manipulation: The role of (social) media in political polarization, “Belief Polarization” Symposium, 6 October 2021.


Climate denial: drivers and consequences, ISC 2021 Summer School – Cognitive Challenges of Climate Change, Université du Québec à Montréal [virtual], 5 October 2021


Resisting the Knowledge Dementors: The Truth about Fake News, Public presentation at Skeptics in the Pub Online, 8 July 2021 [virtual]


A Global Contagion of Infodemics & Conspiracy Theories, Webinar hosted by East-West Center, Hawaii, 17 February 2021


Episode 13: Vaccines milestones and combating conspiracy theories, “Digital Fireside Talk” with Professor John Iredale, University of Bristol, 17 February 2021.