Ideas

CBC Ideas Podcast

IDEAS is a place for people who like to think. If you value deep conversation and unexpected reveals, this show is for you. From the roots and rise of authoritarianism to near-death experiences to the history of toilets, no topic is off-limits. Hosted by Nahlah Ayed, we’re home to immersive documentaries and fascinating interviews with some of the most consequential thinkers of our time.


With an award-winning team, our podcast has proud roots in its 60-year history with CBC Radio, exploring the IDEAS that make us who we are. 


New episodes drop Monday through Friday at 5pm ET.

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Episode's summary

In this episode of 'Ideas', Kevin Gannon explores the concept of 'Radical Hope' as a necessary response to our current era of 'polycrisis,' drawing parallels between J.R.R. Tolkien’s experiences in World War I and modern global uncertainties, including the rise of generative AI. Moving into higher education, the discussion examines how to move beyond being a 'ChatGPT cop' by focusing on human elements like agency and pathways. Gannon advocates for a student-centered approach that rejects 'banking models' of education in favor of embracing the messy, social, and non-linear nature of true learning through the discipline of active hope.

Chapters

Click on a chapter to go directly to that moment

Highlights

a poly crisis is, you know, buy one, get five free, right? It's a continuing set of shocks that rise to the level of a crisis.

00:05:36 · The speaker uses a metaphor to describe how multiple disparate global crises interact and reinforce one another.

If we ever hope to create a more just and sustainable future, if we can't be honest about where we are, then we're going to lie to ourselves about where it is that we want to go.

00:10:01 · The speaker emphasizes the necessity of brutal honesty regarding current societal crises to achieve meaningful progress.

hope equals agency times pathways, right?

00:33:33 · The speaker introduces a mathematical metaphor to illustrate how hope in academia requires both individual agency and accessible paths to action.

Learning is messy. Learning is not linear. Learning is often not optimized.

00:48:41 · The speaker warns against the drive to optimize education through technology, arguing that true learning requires complexity and non-linear processes.

Hope is a verb. Hope is a discipline. Hope is action as opposed to proclamation.

00:54:03 · The speaker defines hope not as a passive feeling, but as an active and embodied practice in the face of difficulty.

Episodes

2101-

Why hope needs rage and love

In this episode of 'Ideas', Kevin Gannon explores the concept of 'Radical Hope' as a necessary response to our current era of 'polycrisis,' drawing parallels between J.R.R. Tolkien’s experiences in World War I and modern global uncertainties, including the rise of generative AI. Moving into higher education, the discussion examines how to move beyond being a 'ChatGPT cop' by focusing on human elements like agency and pathways. Gannon advocates for a student-centered approach that rejects 'banking models' of education in favor of embracing the messy, social, and non-linear nature of true learning through the discipline of active hope.

02 Nov 2026
2100-

How Houdini fought the misuses of magic

This episode explores the historical and modern intersection of magic, science, and skepticism, beginning with Harry Houdini's 1926 crusade against fraudulent spiritualists in Montreal. It traces the lineage from Houdini's battle with mediums like Mina Crandon to the formation of modern skeptical committees like CSI. The narrative further examines how the psychological techniques of magic—such as misdirection and forcing—are utilized in modern politics, advertising, and social media to manipulate belief. Ultimately, the episode argues that scientific rigor and skepticism do not destroy wonder, but rather serve to protect it by directing our amazement toward what is real.

30 Oct 2026
2099-

Why 'body horror' helps us confront the fears within us

This episode explores the cinematic genre of body horror, examining how films like David Cronenberg's The Fly use mutation and transformation to reflect societal anxieties regarding identity, politics, and health crises such as the AIDS epidemic. The discussion delves into the philosophical implications of biological existence, looking at how bodily transformations mirror fears about aging, mortality, and the loss of self. Furthermore, the episode investigates the intersection of film studies and gerontology. It highlights how horror narratives can depict the lived experience of dementia and cognitive decline, using both grotesque imagery and disorienting storytelling to help audiences navigate the fear of physical decay and the decay of the self.

29 Oct 2026
2098-

How being curious and confused drives scientific progress

In this episode, particle physicist Asimina Arvanitaki explores the fundamental role of curiosity and the interplay between theory, mathematics, and experiment in science. The discussion traces the evolution of scientific inquiry from early human artifacts to modern physics, illustrating how seemingly 'useless' discoveries like radio waves and thermodynamics became foundational to our understanding of the universe. The conversation further delves into the mysteries of dark energy and the multiverse, emphasizing that embracing confusion is essential for scientific progress. Arvanitaki argues for the importance of curiosity-driven research over immediate practical applications and discusses the responsibility of scientists to communicate their work to the public, concluding with a look at the potential for detecting neutrinos from the Big Bang.

28 Oct 2026
2097-

Why background music is everywhere

This episode explores the life and musical innovations of French composer Éric Satie, specifically his concept of 'furniture music' designed to blend into the environment. It traces Satie's influence from the bohemian scene in Montmartre to the modern ubiquity of background music, contrasting his modal, floating style with heavy, dramatic traditions. The narrative follows the evolution of background music from a radical artistic experiment into a deliberate corporate tool used to influence consumer behavior and workplace productivity. The episode examines the rise of Muzak and modern commercial programming, tracing how Satie's legacy transitioned from a satirical concept to the ubiquitous ambient sound found in modern commerce.

27 Oct 2026