

Ideas
CBC
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.
Episodes
Mentioned books

Dec 19, 2025 • 54min
Why spirituality is central to Indigenous mathematics
Meet Edward Doolittle, a Mohawk mathematician and Associate Professor at First Nations University of Canada. He dives into how Indigenous mathematics intertwines with culture and spirituality, emphasizing that math is deeply embedded in Creation. Doolittle explains the significance of the medicine wheel in understanding math as a holistic experience. He critiques traditional curricula while advocating for land-based, emotional, and community-focused learning. Highlighting the spiritual connections in mathematics, he showcases how stories, like the Sky Woman tale, can serve as meaningful teaching tools.

Dec 18, 2025 • 54min
How 'body horror' helps us confront the fears within us
Xavier Aldana Reyes, an English literature and film scholar, and Rose Kapp, a registered nurse and dementia care specialist, dive deep into the world of body horror. They explore how films like 'The Fly' reflect our fears of bodily decay and identity. Xavier shares personal connections to body horror themes after a stroke, while Rose discusses the portrayal of aging and dementia in horror cinema. They reveal how body horror can evoke empathy and challenge societal views on mortality, aging, and what it means to be human.

Dec 17, 2025 • 54min
How to change minds and find common ground
Anike Mirkater, a human rights lawyer advocating for marginalized communities in Southern Africa, Marcela Sanchez Buitrago, co-founder of Colombia Diversa focusing on LGBTQ+ rights, and Yael Burda from A Land for All, promoting Israeli-Palestinian cooperation, share powerful insights. They discuss the barriers to changing entrenched mindsets, the importance of listening, and the impactful dialogues they've had across their regions. Learn how personal stories, values framing, and perseverance can foster empathy and bridge divides in polarized societies.

Dec 16, 2025 • 54min
Why yellow traffic lights were designed to be ambiguous
In this intriguing discussion, Travis Stocking, a Senior Traffic Analyst, explains the complexities of amber light timing and traffic signal engineering. Alfred Mele, a philosophy professor, dives into the split-second mental processes behind driving decisions. Ron Usher shares his experience with an automated red-light ticket, pondering the clash of machine judgment against human discretion. Together, they explore the ambiguity of yellow lights, the history of traffic signals, and the challenges of automation in driving decisions, unveiling how our choices can lead to unexpected consequences.

Dec 15, 2025 • 54min
The 'dangerous' promise of a techno-utopian future
Emil P. Torres, a philosopher focused on existential risks, discusses the potentially perilous promises of techno-utopian visions, signifying the dangers in billionaire-driven aspirations for immortality and space colonization. Vandana Singh, a physics professor and speculative fiction writer, critiques these ideologies, emphasizing their effects on ordinary lives and the importance of grassroots alternatives. Both explore the consequences of alienation from nature and advocate for community-driven solutions instead of elite fantasies, raising questions on equity in future tech.

Dec 12, 2025 • 54min
Open your gift: a podcast of nonfiction recommendations
Irina Dumitrescu, a Medieval literature scholar, shares the cultural journey of synthetic dyes and their dark industrial legacy. Kamal Al-Soleli, a journalism professor, explores the far-reaching impacts of the Iranian Revolution. Jillian Horton, a physician, dives into the importance of listening and conversational dynamics, recommending insights from Kate Murphy's work. Finally, Jesse Wente, Anishinaabe storyteller, highlights the intersection of horror and colonization in cinema, contrasting Indigenous narratives with traditional colonial fears.

Dec 11, 2025 • 54min
Your tomatoes have a backstory and it’s not always pretty
Marcello Di Cintio, an author and journalist, delves into the hidden lives of migrant workers in Canada. He exposes the grim realities faced by these individuals, trapped in exploitative conditions despite their essential contributions to the economy. Through personal stories, including those of workers like Omar, he highlights issues of abuse, wage theft, and the moral contradictions of inviting laborers while denying them dignity. Di Cintio argues for necessary reforms, including open permits and better protections, to restore rights and visibility to these invisible laborers.

Dec 10, 2025 • 54min
Bringing a farm — and its philosophy — back to life
Julian Napoleon, a Cree and Ukrainian farmer, founded Amisk Farm to revitalize community food sovereignty. With a mission to feed over 300 Indigenous households, he discusses the challenges of high food prices and supply vulnerability. Art Napoleon, a former chief and musician, shares insights on cultural practices and the importance of language in communal living. They explore traditional farming methods, the impact of hydroelectric dams, and a vision for a sustainable future, emphasizing the joy of community and the deep connection to the land.

Dec 9, 2025 • 54min
Pt 2 | Architect Frank Gehry on how to exit life
Frank Gehry, a world-renowned architect celebrated for his iconic buildings, shares deep reflections on life and creativity. He discusses the influence of his Jewish upbringing and Talmudic teachings on his artistic vision. Gehry candidly addresses his complicated relationship with his father and the therapeutic journey he undertook to manage anger. He emphasizes the importance of continuous work as a response to mortality while critiquing the pressure for iconic architecture, advocating instead for humane, meaningful design.

Dec 8, 2025 • 54min
Pt 1 | The architecture that brought Frank Gehry to tears
Frank Gehry, the world-renowned architect behind iconic structures like the Guggenheim Bilbao, shares his artistic philosophy and personal journey. He believes architecture is an emotional art form, driven by a desire to evoke feelings in people. Reflecting on a transformative moment at 40 when an ancient artwork made him weep, Gehry discusses his preference for collaborating with artists over architects. He also explores the tension between creativity and modern minimalism while delving into his innovative design processes and the profound impact of architecture on everyday life.


