Ideas

Our relationship with earth and water is changing in the Anthropocene, says renowned author Robert Macfarlane. Humanity has become a transformative force of planetary proportions, to the point where we are altering the composition and behaviour of the four elements: earth, water, air and fire. He tells IDEAS this has grave implications for the planet and us.*This episode originally aired on Oct. 9, 2024.

The summer of 2026 has been defined by the smoke — and the horror — of wildfires around the world. But what comes after one of these fires? "That isn't the end of the story. That's the beginning of a whole different kind of story," says Nlaka'pamux ecologist Jennifer Grenz. That's why we have decided to follow the long-term story of one 21st century megafire: the 2021 McKay Creek wildfire in interior B.C. Producer Pauline Holdsworth returned in September 2025 — four years after the fire — to find new life emerging from the ashes, and new questions about the road ahead.

This is the latest episode in our ongoing series Healing the Land. Listen to other episodes:

How brutal wildfires are 'killing' Indigenous ways of life (Pt 1)

How Indigenous ecology is reviving land destroyed by wildfires (Pt 2)

Guests in this episode:

Chief Justin Kane is the elected Chief of Ts'kw'aylaxw First Nation.

Michelle Edwards is the Tmicw Coordinator for the St'át'imc Chiefs Council and the former Chief of the communities of Sekw'el'was and Qu'iqten.

Dr. Jennifer Grenzis an Indigenous scholar and assistant professor in the department of forest resources management at UBC, and the principal investigator at the Indigenous Ecology Lab. She is a member of Lytton First Nation, where she sits on the lands committee. She is also the author of Medicine Wheel for the Planet: A Journey toward Personal and Ecological Healingand the forthcoming book Burned: Truth and Hope in the Fires.

Virginia Oeggerliis a PhD student in the Indigenous Ecology Lab in the Faculty of Forestry at UBC.

Dr. Sue Sengeris a biologist working with the Lillooet Tribal Council.

Gerald Michel is a council member and the lands resource liaison for Xwísten First Nation.

What happens to the land after a brutal wildfire?IDEASvisited St'át'imc territory near Lillooet, B.C., to follow land guardians and scientists from the Indigenous Ecology Lab at the University of British Columbia, as they document the effects of wildfires and chart a new future based on Indigenous approaches to healing and balancing an ecosystem.

*This podcast is part of our ongoing series, Healing the Land. Listen to other episodes:

How brutal wildfires are 'killing' Indigenous ways of life (Pt 1)

What emerges from the ashes after a wildfire? (Pt 3)

Guests in this series:

Chief Justin Kane, elected Chief of Ts'kw'aylaxw First Nation 

Michelle Edwards, Tmicw coordinator for the St'át'imc Chiefs Council and the former Chief of the communities of Sekw'el'was and Qu'iqten 

Sam Copeland, senior land guardian for the P'egp'ig'lha Council 

Luther Brigman, assistant land guardian for the P'egp'ig'lha Council 

Travis Peters, heritage supervisor and interim lands manager for Xwísten First Nation 

Gerald Michel, council member and the Lands Resource Liaison for Xwísten First Nation 

Denise Antoine, natural resource specialist for the P'egp'ig'lha Council

Dr. Jennifer Grenz, assistant professor in the department of forest resources management at the University of British Columbia. She leads the Indigenous Ecology Lab at UBC, which works entirely in service to Indigenous communities on land-healing and food systems revitalization projects that bring together western and Indigenous knowledge systems and centres culture and resiliency. 

Virginia Oeggerli, graduate student in the Indigenous Ecology Lab in the faculty of forestry at UBC

Dr. Sue Senger, biologist working with the Lillooet Tribal Council

Jackie Rasmussen, executive director of the Lillooet Regional Invasive Species Society

In 2021, a deadly heat dome produced a devastating wildfire season across British Columbia. While immediate media coverage often focuses on evacuations and the numbers of homes destroyed, many First Nations say what these fires do to the land in their territories — and the cultural lives of their communities — is often overlooked. "These fires are killing our way of life," says a Tmicw coordinator for the St'át'imc Chiefs Council. IDEASvisited St'át'imc territory around Lillooet, B.C. to learn how 21st-century wildfires are reshaping the landscape — and their consequences for plants, animals, and humans alike. 

*This podcast is part of our ongoing series, Healing the Land. Listen to other episodes:

How Indigenous ecology is reviving land destroyed by wildfires (Pt 2)

What emerges from the ashes after a wildfire? (Pt 3)

Guests in this series:

Chief Justin Kaneis theelected Chief of Ts'kw'aylaxw First Nation. 

Michelle Edwardsis a Tmicw coordinator for the St'át'imc Chiefs Council and the former Chief of the communities of Sekw'el'was and Qu'iqten. 

Sam Copelandis a senior land guardian for the P'egp'ig'lha Council. 

Luther Brigman is an assistant land guardian for the P'egp'ig'lha Council. 

Travis Peters is a heritage supervisor and interim lands manager for Xwísten First Nation. 

Gerald Michel is a council member and the Lands Resource Liaison for Xwísten First Nation. 

Denise Antoine is a natural resource specialist for the P'egp'ig'lha Council.

Dr. Jennifer Grenz is an assistant professor in the department of forest resources management at the University of British Columbia. She leads the Indigenous Ecology Lab at UBC, which works entirely in service to Indigenous communities on land-healing and food systems revitalization projects that bring together western and Indigenous knowledge systems and centres culture and resiliency. 

Virginia Oeggerli is a graduate student in the Indigenous Ecology Lab in the faculty of forestry at UBC.

Dr. Sue Sengeris a biologist working with the Lillooet Tribal Council.

Jackie Rasmussen is executive director of the Lillooet Regional Invasive Species Society.

On the surface, bibliotherapy might sound like another personal wellness trend, but it definitely isn’t. In fact, it’s an approved form of mental health treatment in Canada. And it’s been around for at least a century. In this podcast, researchers Sara Haslam and Edmund King discuss the First World War roots of this practice in the UK. Author Cody Delistraty considers its role in moving him forward in the grieving process. And psychiatrist Martina Scholtens explains why she created an evidence-based reading list online, tailored to a range of mental health diagnoses. *This episode originally aired on June 2, 2025.

We should move away from this idea that childhood should be filled with innocence, safe from the knowledge of difficult things argues Critical Cultural Theorist of Childhood Julie Garlen. Kids do experience difficulty, even in the best of circumstances, and she suggests they need the tools and language to navigate the lives they are living. Constructing childhood as a time of innocence limits children's opportunities for growth and learning. *This episode originally aired March 27, 2025.

Eugenics is seen as a 19th-century idea put into horrific 20th-century practice. But the attraction to breeding “better” humans has a long and persistent history, says Adam Rutherford. The geneticist and science podcaster explains, in conversation with host Nahlah Ayed. *This episode originally aired on January 20, 2023.

That’s what Hanna Pickard argues. After analyzing the scientific research, and working with those who’ve stopped self-destructive drug and alcohol use, the Johns Hopkins philosopher sees addiction as a complex behavioural disorder. She argues it’s driven by individual psychology and social circumstances, and should be treated that way. Jowita Bydlowska and Michael Kaufmann, both memoirists of addiction, weigh in.*This episode originally aired on March 3, 2026.

Guests in this episode:

Hanna Pickard is the author of What Would You Do Alone in a Cage with Nothing but Cocaine? A Philosophy of Addiction(2026). She is a professor of philosophy and bioethics, as well as psychological & brain sciences, at Johns Hopkins University.

Jowita Bydlowskais a writer of fiction, as well as two memoirs of addiction: Drunk Mom, and Unshaming: A Memoir of Recovery, Relapse, and What Comes After (2026).

Dr. I. Michael Kaufmann is emeritus medical director of the Physician Health Program of the Ontario Medical Association. He is a retired family doctor, a retired addiction doctor, and the author ofDrugs, Lies, and Docs: A Doctor's Memoir of Addiction (2024).

Thanks to Dexter and Hannibal Lecter you may think you know what a psychopath is. But a critical review of the science suggests that 'psychopath' as a diagnosis is flawed. Author of Psychopathy Unmasked Rasmus Rosenberg Larsen argues it’s time to end the misuse of controversial science in our criminal justice system — and to rethink psychopathy as a whole.

"We need to separate AI from empire," says tech journalist Karen Hao who used to work in Silicon Valley as an engineer. Now she’s an outspoken critic of its AI giants. She argues AI companies run their businesses like empires and it has to stop. In her book, Empire of AI, Hao digs into the global impact of Big AI and explores how we need to rethink AI to build a better future. This podcast includes a lecture by Karen Hao and a discussion with host Nahlah Ayed.*This episode originally aired on March 25, 2026.

Hidden in the 1950 academic paper that launched the famous 'Turing Test' of machine intelligence, is a strange mystery. Cryptographer Alan Turing argued that humans might always be able to outsmart machines, because we have supernatural powers like ESP, telepathy, and telekinesis. His belief in the paranormal is just one part of the spooky side of artificial intelligence. Like hauntings or seances, AI is an exercise in self-deception; we imagine intelligence from computation and data, just like we imagine ghosts from strange lights and bumps in the night. *This episode originally aired on March 12, 2025.

Thanks to AI, it's easier than ever to avoid reading books — but that convenience may come with a cost. IDEAS explores how our digital landscape, coupled with the decline of reading, is changing the way we think.*This episode originally aired on Feb. 19, 2026.

If you like this episode, listen to our podcast with Geoffrey Hinton, the 'godfather of artificial intelligence' who says AI must develop empathy and 'maternal instincts' or we risk human extinction.

Guests in this episode:

Adriaan Van der Weelis a professor emeritus by special appointment at the Leiden University Centre for the Arts in Society. He's also the co-author of The Ljubljana Manifesto on Higher-Level Reading.

Maryanne Wolf is director of the Center for Dyslexia, Diverse Learners, and Social Justice at the UCLA Graduate School of Education and Information Studies, and the author of Reader, Come Home: The Reading Brain in a Digital World (2018).

Naomi Baron is a professor emerita of World Languages and Cultures at American University and the author of Reader Bot: What Happens When AI Reads and Why It Matters (2026).

Leah Sargeant is an author and senior policy analyst at the Niskanen Center.

Shannon Vallor is the Baillie Gifford Chair in the Ethics of Data and Artificial Intelligence at the Edinburgh Futures Institute (EFI) at the University of Edinburgh, where she is also appointed in Philosophy. She is the author ofThe AI Mirror: How to Reclaim Our Humanity in an Age of Machine Thinking (2024).

If AI continues to develop without appropriate guardrails, a worst-case scenario could lead to human extinction, warns the 'godfather of artificial intelligence' Geoffrey Hinton. But the Nobel Prize winner has a solution: AI must foster 'maternal' instincts, empathy and kindness. Hinton tells host Nahlah Ayed that it's fairly inevitable AI will become smarter than humans, but if we could make it care more for us than it did about itself, good things could happen. *This episode originally aired on Feb. 18, 2026.

Like this episode? Listen to: How can we prevent AI from becoming a menace?

Millions of people are using AI to “talk” to the dead. The phenomenon has left cyberpsychologist Elaine Kasket asking what happens when we rely on for-profit AI companies to help us manage something as deeply human as grief? And where’s the line between comfort and self-destruction?IDEAS features two episodes from the CBC Podcasts series Artificial Intimacy, exploring the promise and peril of our emotional entanglements with AI chatbots.

Enjoyed this episode? Listen to the full series of Understood: Artificial Intimacyhere.

Jeans are a quintessential fashion staple for the Canadian tuxedo — and a symbol of rebellion. But the world's most popular garment comes at an environmental cost. It takes around 7,500 litres of water to make a single pair of jeans. And that's not all. Fashion expert Pedro Mendes explores the 150-year history of jeans and the 'authenticity' they are supposed to represent. *This episode originally aired on Sept. 13, 2019.

Read: How jeans became one of the most polluting garments in the world

"Geometry is the cilantro of math. People are not neutral about it," says Jordan Ellenberg. The mathematician is aware not everyone loves math like he does. But his book is not about the kind of geometry some people feel intimidated by. It's about geometry as a way of thinking. As a method of reasoning and argument. And as a system for making sense of the world.*This episode originally aired on May 11, 2022.

Guest in this episode:

Jordan Ellenbergis a mathematician is a child prodigy. He scored a perfect 800 on the math portion of his college entrance exams — the SAT's — at the age of 12. He's a Guggenheim Fellow, a Harvard graduate, and a professor of mathematics at the University of Wisconsin-Madison. He's also the author of Shape: The Hidden Geometry of Information, Biology, Strategy, Democracy, and Everything Else.

If the house always wins, why do we play? This documentary asks experts and observers to reflect on the casino as reality and metaphor. Skill versus luck, attention and distraction, fortune paired with loss: the casino reflects us, individually and culturally, back to ourselves. *This episode originally aired on Nov. 21, 2019.

Read:Machines of Chance: How casino culture plays with us

Brutalism has become the subject of architecture tours, a coffee-table art book darling, and a highly sought-after living environment. But concrete is a complicated material, both appreciated and demonized.IDEAS explores the implications of Brutalism’s 21st century hipster aesthetic in a world of housing challenges, environmental crisis, and economic polarization. *This episode originally aired on Sept. 11, 2024.

Guests in this episode:

Joseph Bogdan is principal emeritus at BNKC Architects, Urban Design Consultants.

Elisabeth Bogdan is subject lead at Sotheby's Institute of Art London.

Stasia Bogdan is a senior leader for healthcare capital planning and design at Unity Health Toronto.

Nick Thoburn is a professor in the department of sociology at the University of Manchester. He's also the author of Brutalism as Found: Housing, Form and Crisis at Robin Hood Gardens (Goldsmiths Press, 2022).

Zahireen Tarefdar is a Toronto-based creative and enthusiast of the Ontario Science Centre.

Bogs, marshes, and swamps have long been cast as toxic wastelands, from the dead marshes in Tolkien’s Lord of the Rings to the vegetal monster from the DC comic. But in fact wetlands store more carbon than forests. Experts argue wetlands are crucial to our future. It's time to rewrite this squelchy story. *This episode originally aired on Oct. 17, 2022.

Humans used fire as a tool. Now we fear its destruction. But we're responsible for changing the climate, argues John Vailliant, "in a way that favours fire way more than it favours us." The author unpacks how fire made humans who we are — and how humans are changing fire in his book, Fire Weather: The Making of a Beast.

*This episode originally aired on May 29, 2024.

In 1989 the Canadian government was set to spring into action to address climate change. “If we don’t move now, it will be a disaster,” said then-Conservative environment minister Lucien Bouchard. “We are dealing with the survival of the species.” This podcast features David Suzuki’s prescient radio series, It’s a Matter of Survival from nearly four decades ago. It includes conversations with notable politicians and environmental experts of the day.

Listen to the first episode in this series:Suzuki's Survival Guide | A Warning

For other episodes from David Suzuki's radio days, stream audio here.

In 1989 David Suzuki hosted a radio series called “It’s A Matter of Survival,” which addressed the climate crisis head-on. He and other scientists look ahead 50 years into the future to paint a picture of what the world could be like if nothing is done to curb the human impact on climate change. The series galvanized the environmental movement in Canada, with more than 14,000 listeners writing letters of support. Nearly 40 years later, it's clear how shockingly prescient it was.

Listen to the next episode in this series: Suzuki's Survival Guide | How We Got To This Point

For other episodes from David Suzuki's radio days, stream audio here.

Oil has delivered warmth, mobility, freedom and ruin all at the same time. "It's a very hard religion to ditch," says Don Gillmor, author of On Oil. Yes, religion. Gillmor argues oil is not just a substance — but an idea … one that has come to constitute its own potent system of belief. He joins Nahlah Ayed to discuss how oil became the one true global religion.

Want to listen to moreIDEAS? Here' So... who wants a pipeline?

When Sir John Franklin set out to find the Northwest Passage in 1845, he never returned. From that mystery, began the stories. But why do we keep coming back to these Franklin stories? What do they say about us? And what does it mean today to seek a Northwest Passage? *This episode originally aired on April 19, 2022.

At the surface, Bear is about a woman who develops a sexual relationship with a bear. And though the 1976 novel earned Marian Engel a Governor General's award, it's been largely forgotten. Contributor Melissa Gismondi explores its mystery, meaning and relevance today. *This episode originally aired on January 4, 2021.

Canada produces legendary comedians and comic actors who excel on the world stage. So why is Canada not known for comedy? Does it have something to do with our proximity to the U.S., the way there are so many Scottish comedians performing in England? Three comics discuss Canadian comedy and what Canada's profile would be on a dating app — as part of the Provocations-IDEAS festival.

Comedians in this episode:

Debra McGrath is a comedian, writer, and director whose comedy began with Second City Improv. She is best-known for roles in Little Mosque on the Prairie, Seven Little Monsters and Paradise Falls.

Stewart Reynolds (aka Brittlestar) is a Stratford, Ontario-based comedian. His work has brought him to the White House, and to meeting the Prime Minister. He's the author of The Subtle Art of Resistance: Lessons From Cats For Surviving Fascism.

Martha Chaves has made many TV appearances including Just for Laughs, We’re Funny That Way Festival, and the Winnipeg Comedy Festival — and she’s often been heard on CBC's Laugh Out Loud, The Debaters, Because News — and now IDEAS.

From the medicine wheel to the building blocks of DNA, the number four has represented structure and stability. But four is also a troublemaker: a portal to realms like the fourth dimension. Our series, The Greatest Numbers of All Time explores how four helps us understand the world — by making the rules, and by breaking them. 

More in the series:

Listen to The Curse of 13

Listen to 12 is Sublime

Listen to 27 Club Lore

Listen to The 33,000 Horsepower Gamechanger

Guests in this episode:

Joyce Perreault is an Ojibway Anishinaabe children's book author and elementary school teacher at Donald Ahmo School in Crane River, MB.

Brian Katz is a composer, instrumentalist, improviser, and guitar instructor at University of Toronto and York University.

Lauren Fink is a professor of cognitive neuroscience at McMaster University.

Alex Fisher is a professor of musicology and area coordinator for early music at the University of British Columbia.

Tyrone Ghaswala is an assistant professor teaching stream with the Centre for Education and Computing (CEMC) and an adjunct professor in the Pure Mathematics department at the University of Waterloo.

Wenran Jiang is the founding director of the China Institute at the University of Alberta.

Stephan Reuter is an associate professor for plasma physics and spectroscopy at the Engineering Physics Department of Polytechnique Montréal

Sarah Hart is professor emerita of mathematics at Birkbeck College and author of "Once Upon a Prime: The Wondrous Connections between Mathematics and Literature."

There is nothing random about featuring 33,000 in our number series. It's very powerful. So much so, that the number put millions of horses out of work. Inventor James Watt used “33,000 foot-pounds a minute" to measure the capabilities of a horse when trying to market his new and improved steam engine. The engine was a big success, saving horses from the drudgery of manual labour. Now, a similar process is underway with artificial intelligence — but are we the horses, or the steam engine?*This episode is part of our series, The Greatest Numbers of All Time.

For more in the series:

Listen to The Curse of 13

Listen to 12 is Sublime

Listen to 27 Club Lore

Listen to How 4 Makes and Breaks Rules

Guest in this episode:

Stephanie Dick is a historian of mathematics, technology, computing, and AI, and an assistant professor at Simon Fraser University.

Twenty-seven can be a pivotal and tumultuous age. It’s held up as the year of peak performance in many sports and it's also seen as a cursed age for pop and rock stars, exemplified by the so-called 27 Club. Artists like Jimi Hendrix, Janis Joplin, Kurt Cobain and Amy Winehouse, all died at 27. As part of our series, The Greatest Numbers of All Time, IDEAS producer Chris Wodskou makes the case for a number that may not stick out in your mind but is more significant than you think.

More episodes in this series:

Listen to 12 is Sublime

Listen to The Curse of 13

Listen to The 33,000 Horsepower Gamechanger

Listen to How 4 Makes and Breaks Rules

Guests in this podcast:

David Awosoga is a PhD student in Statistics at University of Waterloo and sports performance data analyst.

Alan Cross is a music historian, broadcaster, and host of The Ongoing History of New Music podcast

Dianna Kenny is a professor emerita of psychology and music at University of Sydney and psychotherapist in private practice.

Michael Owen is a retired clinical psychologist and author of The 27 Club.

Maria Westerstahl is senior lecturer at Karolinska Institutet in Sweden.

Complete. Whole. Divine order. That's just the start of what makes the humble dozen extraordinary. It's one of only two numbers ever discovered in mathematics to be “sublime.” Twelve makes a number of appearances in pop culture, in religion, in non-fiction, everything from the 12 days of Christmas to the 12 people it takes to form a criminal jury. Still need convincing of 12’s perfection and indispensability? Check your watch.

More episodes in our series, The Greatest Numbers of All Time:

Listen to The Curse of 13

Listen to 27 Club Lore

Listen to The 33,000 Horsepower Gamechanger

Listen to How 4 Makes and Breaks Rules

Guests in this episode:

Glen Van Brummelen is a professor of mathematical sciences at Trinity Western University.

Ainsley Hawthorn is a cultural historian and nonfiction writer. She has a PhD in Near Eastern Civilizations from Yale University.

Has there ever been a number more maligned in western culture than 13? So feared, it's got its own horror-film franchise. So infamously unlucky, a good many of us avoid it en masse. We've just blindly accepted its bad reputation. As part of our series, The Greatest Numbers of All Time,IDEAS explores where our irrational fear and uncomfortable feelings about 13 began. *All five episodes in our number series will be available daily in our feed this week.*

Listen to 12 is Sublime

Listen to 27 Club Lore

Listen to The 33,000 Horsepower Gamechanger

Listen to How 4 Makes and Breaks Rules

Guests in this episode:

Stephen Winick is a folk life specialist at the American Folklife Center of the Library of Congress.

Barry Markovsky is distinguished professor emeritus of sociology at University of South Carolina. His latest book is Everyday Extraordinary: A Scientist Ponders a Lifetime of Magical, Bizarre, and Paranormal Experiences.

Claire Potter is an author of parenting books, including Getting the Little Blighters to Behave and the creator of the online programme Tiny Bites for parents of picky eaters.

Rabbi Heschel Greenberg is the founder and director of the Jewish Discovery Center in Buffalo, New York. He has written many books including Tefillin: Judaism's Crown.

It's tempting to think suffering should be avoided at all costs, but moral suffering has its own distinct standing. It signals a moral conscience. Every day people consume real time violence, grief, war and genocide through screens and experience moral upending. Without a moral compass there’s no motivation to address necessary issues.

Guests in this episode:

Cynda Rushton is a nurse and a professor of nursing and bioethics at Johns Hopkins University.

Robert Meagher is an emeritus professor at Hampshire College in Amherst, Massachusetts.

Thea Lim is a novelist, culture writer, and creative writing teacher in Toronto.

Former IDEASwriter-broadcaster David Cayley passed away at his home on Wednesday June 10, surrounded by family. To honour his legacy, we wanted to share part of a 2006 conversation David had with Irish philosopher Richard Kearney on the space for theism within atheism, and/or atheism within theism.

Richard Kearney is a philosophy professor at Boston College and University College, Dublin. He has written many books on modern philosophy and culture, includingThe God Who May Be: A Hermeneutics of Religionand Anatheism: Returning to God After God.

There may be no one alive who saw Houdini perform magic. Yet we still know his name and his legend. Dua Lipa namechecked the escape artist in a 2023 dance hit and she's not alone. Houdini is still a cultural reference point, despite having died 100 years ago. And that’s pretty much what he would have wanted.IDEAS explores why his name persists in our imaginations and how his magic helped his family escape poverty.

Guests in this episode:

Adam Begley is a biographer living in London, and author of Houdini: The Elusive American.

David Ben is a conjuror, writer, and consultant in Toronto. He’s writing a graphic novel featuring an imagined adventure for Houdini.

Katie Bender is a playwright and actor. Her interactive performance about Houdini is called Instructions for a Seance.

Homosexuality is illegal in more than half of African countries — a crime punishable by prison sentences. Or in some cases: death. In the past few years, six African countries have made it illegal just to advocate for LGBTQ+ rights. These laws bring up questions of foreign influence, neo-colonialism, and the role the international community could play in nudging human rights on the continent. *This episode originally aired on May 26, 2025.

Want another podcast?Ghana and Uganda have some of the harshest laws against LGBTQ+ people in the world. Despite the threats, listen to how podcasters in both these countries are fighting back and reclaiming sexuality.

Uganda and Ghana have the harshest laws against LGBTQ+ people in the world. Despite the threats, podcasters in both countries are fighting back by creating a space where people can have sex-positive conversations and gender inclusivity.IDEAS contributor Nana aba Duncan was in Uganda and Ghana to find out how the safety, privacy, and independence of the medium offer a path to understanding, validation and community.

In the past few years, six African countries have made it illegal to just advocate for LGBTQ+ rights. What role should the international community play in nudging human rights on the continent? Listen to The unforgivable crime of being queer in Africa.

When Jay Pitter was eight years old and out shopping with her mother, she began swaying to the music at the mall. Her mother scolded her for it — signalling that it was undignified for a Black person to act that way in public. That incident was the genesis for Black Public Joy: No Permit Or Permission Required. In her book, she addresses the self-policing Black people can internalise, and reveals how culture, urban planning, and memory shape the way people can access joy in parks, streets, transit, and neighbourhoods.

Guest in this episode:

Jay Pitter is an award-winning placemaker focused on creating joyful public spaces that foster belonging, prosperity, and cultural memory. She advances this work through cultural planning, policy frameworks, and storytelling. Pitter is also an adjunct urban planning professor and has engaged students at Cornell, Princeton, and MIT, advancing new theories of public joy that connect practice, policy, and pedagogy.

Mae West shocked audiences and infuriated censors for more than 70 years. She was pop culture’s original blonde bombshell sex-symbol comedienne provocateur. But she was more than just a corseted sex pot with an affinity for word play. She was a trailblazer, transgressive, funny, smart, sassy, lively, a genius. And she got away with all of it. IDEAS contributor Lynda Shorten explores the legacy of the eccentric Mae West.

Guests in this episode:

Linda Hutcheon is a professor emerita of English and comparative literature at The University of Toronto.

Ramona Curry is an associate professor emerita of English at The University of Illinois.

Pamela Wojeck is a professor of film studies at The University of Notre Dame

Scott C. Miller is a make-up artist and retired undertaker

Rachel Jedinak will never forget the day that changed her life in July 16, 1942. She was eight years old, living in Nazi-occupied France at a time known as les années noires— The Dark Years. Police rounded up Jewish men, women, and children for deportation. Rachel, her older sister and mother were among them. That morning two police offers did something that Rachel considers an act of resistance. The girls were saved. But their mother was not. IDEAS contributor Neil Sandell, based in Nice, France, explores the complicated moral territory of resistance, what it actually meant during the occupation, and maybe means now.

Right now Elon Musk's wealth is currently around $825 billion US — more than double what it was a year earlier. Only 22 countries currently boast economies larger than Musk’s net worth, but he’s catching up. In the third episode of our series The Billionaire Agewe investigate how Musk and his fellow billionaires are trying to take over the world. And if they succeed, what will this mean for the rest of us?

Listen to more episodes in this series:

Listen to Part One: How did we get here?

Listen to Part Two: Disney heiress on the dangers of extreme wealth

Guests in this episode:

Ingrid Robeyns is a philosopher and economist. She is the chair in Ethics of Intuitions at Utrecht University, and the author of Limitarianism: The Case Against Extreme Wealth.

Lucas Chancel is an economist and the co-director of The World Inequality Lab. He's also a professor at the Paris School of Economics.

Gabriel Zucman is an economist and the co-director of The World Inequality Lab. He's also a professor at the Paris School of Economics and the University of California, Berkeley.

Nitin Bharti is an economist and lecturer at the University of Western Australia. He is also the South and South-East Asia coordinator at the World Inequality Lab.

Lars Osberg is an economics professor at Dalhousie University, in Halifax, Nova Scotia. His latest book is The Scandalous Rise of Inequality in Canada.

Abigail Disney is an American film producer, philanthropist and social activist. She is a member of Patriotic Millionaires which advocates for higher taxes on the wealthy.

Paul Krugman is an economist and the winner of the 2008 Nobel Memorial Prize in Economic Sciences.

Tim Wu is a legal scholar and professor at Columbia Law School. He is also a contributing opinion writer at the New York Times. His latest book is The Age of Extraction: How Tech Platforms Conquered the Economy and Threaten Our Future Prosperity.

Nick Hanauer is an entrepreneur and venture capitalist. He co-authored the book, Corporate Bullsh*t: Exposing The Lies and Half-Truths that Protect Profit, Power and Wealth in America, with Joan Walsh and Donald Cohen. He also hosts the podcast Pitchfork Economics.

Guido Alfani is a professor of economic history at Bocconi University in Milan, Italy. His latest book is As Gods Among Men: A History of the Rich in the West.

Our homes have been stripped of their essential humanity, says Leilani Farha, this year's CBC Massey Lecturer. Today housing has become a commodity — one fuelling the biggest industry in the world. In her lectures, Housing Inc.: A Global Takeover and Our Fight for Home, Farha calls on all of us to envision a new ideology for home — one rooted in dignity, humanity and law. “Home is required for human existence," says Farha, who served as a UN Special Rapporteur on the Right to Housing from 2014 to 2020 and is now the global director of The Shift. She speaks with Nahlah Ayed about her 25 years fighting for housing as a human right, the conversation she hopes her Massey lectures will spark and why "home is really everything."

What happens when a human becomes intimately enmeshed with a chatbot? From people who’ve married their bots or who grieve their loved ones with the help of AI, host Victoria Hetherington (author of The Friend Machine) dives into the stories of the people who have invited these digital avatars into their hearts, minds, and even beds. And asks what do we gain and what do we stand to lose? Our intimacy, our resilience, even our grasp on reality? This latest season of Understood looks at who made the decisions that allowed chatbots to move way beyond digital assistants and into the most intimate parts of our lives.

Understood takes you deep inside the seismic shifts reshaping our world right now. From online porn and crypto chaos to the rise of tech oligarchs, deepfake AI, and the broken promises of the internet.

More episodes of Understood are available wherever you get your podcasts, and here: https://link.mgln.ai/AIxIdeas

Numbers get their due credit in this podcast. Even if we're not aware of them, numbers are essential to how we experience the world. IDEAS explores the most bizarre, surprising, mind-blowing and fundamental numbers in the universe.

This panel discussion was recorded live at The Perimeter Institute for Theoretical Physics in Waterloo, Ontario.

Guests in this episode:

Asimina Arvanitaki is a particle physicist and the aristarchus chair in theoretical physics at the Perimeter Institute.

Ben Webster is an associate professor in the pure mathematics department at the University of Waterloo, and he’s also an associate faculty member at the Perimeter Institute.

Matthew Johnson is a professor of physics and astronomy at York University, and he's also an associate faculty member at the Perimeter Institute.

Alexandria has been the source of invention, innovation, and beauty for millennia — capturing the imagination of Napoleon, the Prophet Muhammad and, of course, Alexander the Great. He envisioned a place that thrived on cultural, intellectual, economic, political and religious exchange. IDEAS examines the big ideas of this port city in Egypt with Islam Issa, author ofAlexandria: The City That Changed the World.

Part three in our ongoing series about how port cities shaped the world as we know it.

Listen to Part Two: How port cities of Elmina shaped the world

Listen to Part One: How port cities like Singapore shaped the world

Even if you aren't a fan of Frank L. Baum's The Wonderful Wizard of Oz, you know about the Tin man, the ruby red shoes and that the dog is named Toto. The classic story was an instant bestseller in 1900 and its popularity is still going strong with not one but a two-part prequel. For over 125 years, there have been derivative works of Oz, from Broadway musicals, films, comic books and more. IDEAS follows the proverbial yellow brick road to uncover how this seemingly simple story of friendship, self reliance and longing for home continues to speak to us. *This episode originally aired on Sept. 9, 2025.

If this episode has left you curious about Matilda Joslyn Gage, the suffragist who was a big influence on Frank L. Baum's feminism, listen to this podcast.There's a reason you likely have never heard of her.

Ancient history just got an upgrade. Forget the ruins, empires and great thinkers of the Classical period and make way for escaped slaves, subversive pirates, and freethinking religious sects. These nonconformist communities rejected hierarchy and political order in favour of creating a more equitable society.

Author, religious scholar and historian Christopher Zeichmann offers an alternative lens on the Greco-Roman era in his book called Radical Antiquity: Free Love Zoroastrians, Farming Pirates, and Ancient Uprisings.

North Korea is no place for evangelical Christians today. But when journalist Jonathan Cheng peeled back decades he found out Christianity is at the heart of the Kim family’s rise to power and continuing dynasty. Cheng has spent 15 years and two trips to North Korea to piece this all together. His book is called Korean Messiah.

Jonathan Cheng is the China bureau chief for The Wall Street Journal, and was previously the Korea bureau chief, running coverage of the Korean peninsula, including politics and society in both North and South Korea.

If you want to hear what a laughing rat sounds like this podcast is for you. From why the sound of laughter triggers us to join in, to how a laughing yoga class starts, to the difference between AHA and HAHA in science, IDEAScontributor Peter Brown takes us on a joyride to reveal the mystery of laugher. Will this podcast make you laugh? Most likely. But it's better than catching a cold. *This episode originally aired on Nov. 4, 2020.

Africa is a centre of world history — a fact that's been deliberately obscured, says journalist Howard W. French. In this talk based on his book, The Second Emancipation, he explores the surprisingly early seeds of 20th century Pan-African thought, and how Kwame Nkrumah of Ghana went from reluctant student to influential leader of a free Ghana.

Howard W. French delivered the Black History Month lecture at University of Toronto's New College. French was is a former New York Times bureau chief based in Shanghai. He now teaches journalism at Columbia University and is also the author of Born in Blackness.

From Joan of Arc to Kim Kardashian, and Davy Crockett to Donald Trump, celebrity culture has deep and wide roots. Famous people who elicited Kardashian-level feelings of love and hate in the public were present centuries ago — long before screens and social media. Though, as we find out in this podcast, they all share similar qualities. *This episode originally aired on June 30, 2022.

Irina Dumitrescu is a writer, co-host of the LRB podcast Encounters with Medieval Women, and a professor of Medieval English at the University of Bonn.

Sharon Marcus is author of The Drama of Celebrityand the Orlando Harriman Professor of English and Comparative Literature at Columbia University.

Heated Rivalry, Love is Blind or Boyfriend on Demand all underline the global appetite for passionate swooning. But let’s not forget the source for all of it: the romance novel. It may have a reputation problem but sales in 2023 reached 39 million copies or romance fiction globally — ringing in at $1.5 billion dollars. The books and readership continue to evolve as popularity increases. What is it about romance novels that women are drawn to? Is it unhealthy escapism, harmless fun or a kind of opiate?IDEAS looks back to a 1992 episode called Paperback Love to understand the enduring acclaim of romance novels.

In the days before her medically-assisted death, journalist Elaine Dewar made it her mission to finish writing her book revealing ignored history. For more than three years, the author investigated how Canada's health care system cruelly mistreated Indigenous people — including forcing them to use segregated hospitals. Dewar's extensive research uncovers not only a shameful past, but that our collective obliviousness to it all was deliberately manufactured.

For thousands of years, estuaries were central to Indigenous agriculture on the West Coast. Then, when colonists arrived, they diked many of these ecosystems to create western farmland. Now, Cowichan Tribes is working with a group of scientists and conservationists to restore an estuary as an ecosystem and a food system — and the project has sparked an unexpected controversy. At the heart of the debate are two questions. What does agriculture really mean? And when the waters start to rise, do we work with them, or against them?

This is the second and final part of this series, What the River Wants to Be. Listen to Part One.

Guests in this podcast:

Tom Reid is the West Coast Conservation Manager for the Nature Trust of BC.

Jared Qwustenuxun Williams is a passionate traditional foods chef who works with elders and knowledge holders to keep traditional food practices alive. 

Dr. Jennifer Grenz is a Nlaka’pamux scholar and a member of the Siil'na'mut Ken Elliott is a Cowichan elder and plant knowledge keeper who has worked in habitat restoration for decades. With his wife, he runs Ken Elliott's Native Plant Nursery.

Nava Sachs is a graduate student at UBC conducting research with the Indigenous Ecology Lab.

Kim Lagimodiere is the acting Marine Projects Manager at the Lulumexun Lands and Natural Resources department of Cowichan Tribes. She is also the coordinator of the S-hwuhwa'us Thi'lut Kw'atl'kwa (Thunderbird Protecting the Ocean) program.

Dr. Bethany Coulthard is the acting director at the Lulumexun Lands and Natural Resources department of Cowichan Tribes.

Dr. Lenore Newman is the Director of the Food and Agriculture Institute at the University of the Fraser Valley. 

Erica Gies is the author of Water Always Wins: Thriving in an Age of Drought and Deluge and an independent journalist who covers water, climate change, critters, and more from Victoria, British Columbia, and San Francisco, California. 

It's safe to say right now the majority of us are feeling the pinch. Grocery and fuel prices are on the rise and the income gap between the wealthy, and everyone else, continues to grow. And yet, aside from the U.S., Canada is the strongest economy of the G7. A prosperous country doesn't necessarily translate to a fuller wallet for its citizens. Host Nahlah Ayed and panelists discuss how 'prosperity' should be defined and how that can be achieved.

Guests in this episode:

Hon. Lisa Raitt is a former Conservative cabinet minister, who now co-chairs the Canadian Coalition for a Better Future.

Zita Cobb is a Fogo Island entrepreneur, founder of Shorefast which supports local economies and community development.

Kaylie Tiessen is the chief economist at the Shield Institute.

A young generation of thinkers is trading in the bread and butter of social media branding — lifestyle, beauty, and consumption — for intellectual content. They focus on the big questions to help followers think about a world where they can't find jobs, are overloaded with debt, and see violence everywhere. It's the kind of education money can't buy.

Guests in this episode:

Isabella Segalovich (@interstellar_isabellar)

Ahmad Sanhouri (@conflictechoes)

Louisa Munch (@louisamunchtheory)

The Dirty Thirties might seem like the distant past but according to IDEAS contributor and professor Evan Fraser now is the time to heed the lessons about what worked to save farmers and agriculture. He argues the Dust Bowl should serve as a warning of compounding crises that lie ahead. But Fraser adds it also serves as a guide to solutions that could help us muddle through as the world lurches into another chapter of environmental, political and economic upheaval.

Guests in this episode:

Evan Fraser is a geography professor and director of Arrell Food Institute at the University of Guelph.

Pamela Riney-Kehrberg is a distinguished professor of history at Iowa State University.

Robert McLeman is a professor of geography and environmental studies at Wilfrid Laurier University.

What does anIDEAS producer do when he notices that shipwreck stories keep appearing in his life? He embarks on a journey to try and figure out what’s going on, why shipwrecks might be on people's minds. Matthew Lazin-Ryder dives into the history of shipwrecks — and how they are a constant metaphor in our lives. *This episode originally aired on Sept. 24, 2025.

If you like this podcast, you might be interested in Matthew Lazin-Ryder's documentary The Never-ending Fall of Rome — a hole in time where he finds out politicians, activists, and intellectuals can dump any modern anxiety they wish.

Rome fell, because of... divorce. Or was it immigration? Maybe moral decay. IDEASproducer Matthew Lazin-Ryder explores the political history of 'the fall of Rome' — a hole in time where politicians, activists, and intellectuals can dump any modern anxiety they wish. *This episode originally aired on Jan. 11, 2024.

Marsha Lederman is a child of Holocaust survivors. She lives with the fear that one day someone will take her and her son like the Nazis did with her parents and their parents. "This is ludicrous," she told herself many times. But then she saw how people celebrated the October 7th attacks and watched how antisemitism showed up in the circles she felt most at home.

This spring to mark Holocaust Memorial Day, Lederman and child Holocaust survivor Jeanette Goldman shared their stories on Zoom at the University of Toronto's Regis College — an online event due to security reasons. They spoke about what true solidarity means today as antisemitism continues to rise in Canada. Lederman says: "We cannot allow antisemitism to stop us from speaking about antisemitism of all things."

Guests in this episode:

Jeanette Goldman is a retired federal judge and a child Holocaust survivor.

Marsha Lederman is a journalist, daughter of Holocaust survivors, and author of Kiss the Red Stairs: The Holocaust Once Removed, and October 7th: Finding the Humanitarian Middle.

Mary Jo Leddy is a Catholic theologian, author, activist, and founder of Romero House in Toronto.

Bertha Yetman is a Regis College Alumnus, and organizer of “Remembering the Holocaust.”

IDEAS is a place for people who like to think. We value curiosity and deep conversation. And we work hard to bring you the ideas that shape and re-shape our world. No topic is off-limits. New episodes drop Monday through Friday at 5 pm ET.

If you inherited $120 million dollars, could you give away 75 per cent of your wealth? Abigail Disney did. She's an heiress to the Disney fortune. The philanthropist, filmmaker and activist offers an insider perspective into the twisted perils of extreme wealth — on society and the human psyche.

Listen to more episodes in this series:

Listen to Part One: How did we get here?

Listen to Part Three: How oligarchs are taking over the world 

Guest in this episode:

Abigail E. Disney is an award-winning filmmaker, writer, philanthropist, and activist. Her films includeThe American Dream and Other Fairy Tales, the Emmy Award-winning The Armor of Light— both co-directed with Kathleen Hughes — and Pray the Devil Back to Hell. As a philanthropist and activist, she has championed peacebuilding, gender justice, and systemic cultural change.

She is Chair and Co-Founder of Level Forward, an ecosystem of storytellers, entrepreneurs, and social change-makers dedicated to balancing artistic vision, social impact, and stakeholder return. She also founded Peace is Loud, a nonprofit that uses storytelling to advance social movements, and the Daphne Foundation, which supports organizations working for a more equitable, fair, and peaceful New York City.

She is currently working on a book about wealth, power, and privilege.

This podcast is about testing the limits of fairness. It's about taking to heart the meaning behind "Beyond the Pale" — a phrase referring to ideas that are so outrageous it's impossible to deal with them in reasonable terms. Follow IDEAS producer Tom Howell as he covers uncomfortable terrain. When the time for ‘open-mindedness’ stops and prejudices become — possibly — a good thing. *This is the final episode in a series tackling the implications of bias. It originally aired on on June 8, 2022.

Guests in this episode:

Eduardo Mendieta is a philosophy professor at Pennsylvania State University. He edited the final book by Richard Rorty, Pragmatism as Anti-Authoritarianism.

Barbara Kay is a columnist at The National Post and The Epoch Times.

Misha Glouberman is co-author (with Sheila Heti) of The Chairs Are Where the People Go. He runs a negotiation course called How to Talk to People About Things.

Rahim Mohamed is a freelance writer and college instructor at Centre College in Danville, Kentucky. His opinion columns are published in the online newsletter, The Line.

Anne-Marie Pham is an executive director of the Canadian Centre for Diversity and Inclusion.

Michael Bacon is a political theorist at Royal Holloway, University of London. His books include Pragmatism: An Introduction.

Martin Zibauer is from the Cosburn Park Lawn Bowling Club in Toronto, Ontario.

All of us are biased. We have individual biases, momentary biases, morning biases and evening biases. Our institutions are biased. Our constitutions are biased. So what to do about it? IDEAS producer Tom Howell explores the art of naming your most important biases — and deciding which to keep, as he continues his investigation into what the field of ‘bias studies’ has to offer us. *This episode is part two of a three-part series exploring the meaning of 'bias.' It originally aired on Feb. 3, 2022.

Guests in this episode:

Olivier Sibony is the author of Noise: A Flaw in Human Judgment and You're About to Make a Terrible Mistake.

Jessica Nordell is the author of The End of Bias: A Beginning.

Jimmy Calanchini is assistant professor of psychology at University of California, Riverside.

Jack Nagler was the ombudsman at the Canadian Broadcasting Corporation.

Driftpile Cree poet Billy-Ray Belcourt's favourite place in the world is his mother's house. It's marked with a horrible, dark past — built for nuns who ran the local residential school in Northern Alberta. Belcourt grew up in the shadow of that school. But his mom drenched this home with love so powerful it surpassed the haunted context. Belcourt's mother's house provokes questions reconciliation couldn't quite answer: what does it mean to live inside history and how do you imagine your way out? In this lecture for Vancouver Island University’s Indigenous Speaker’s Series, he makes the case for literature as a more honest reckoning.

Estuaries are a meeting of two worlds: the river and the sea. They’re incredibly fertile ecosystems that sustain 80 per cent of coastal fish and wildlife in British Columbia. For thousands of years, estuaries were central to Indigenous agriculture on parts of the West Coast. Then a new kind of agriculture arrived, profoundly altering the landscape. IDEASvisits the Cowichan Valley, where an ambitious project aims to restore an estuary — and to revitalize language, culture and traditional agriculture.

*This is part one of a two-part series. Listen to Part Two.

Guests in this podcast:

Tom Reid is the West Coast Conservation Manager for the Nature Trust of BC.

Jared Qwustenuxun Williams is a passionate traditional foods chef who works with elders and knowledge holders to keep traditional food practices alive.

Dr. Jennifer Grenz is a Nlaka’pamux scholar and a member of the Lytton First Nation. She is the principal investigator at the Indigenous Ecology Lab at UBC.

Siil'na'mut Ken Elliott is a Cowichan elder and plant knowledge keeper who has worked in habitat restoration for decades. With his wife, he runs Ken Elliott's Native Plant Nursery.

Alyssa Zandvliet is a graduate student at Simon Fraser University conducting research with the Historical Ecological Research Lab at SFU and the Indigenous Ecology Lab at UBC.

Kim Lagimodiere is the acting marine projects manager at the Lulumexun Lands and Natural Resources department of Cowichan Tribes. She is also the coordinator of the S-hwuhwa'us Thi'lut Kw'atl'kwa (Thunderbird Protecting the Ocean) program.

There are no two letters more disruptive in our time than AI. We’re told it will create employment yet take jobs away; invent life-saving medicines yet enable superviruses; solve the climate crisis yet deepen it. So will it save us or damn us? Is AI the ultimate disruptor?

This conversation, moderated by Nahlah Ayed, was part of the 2026 Charles Bronfman’s “Conversations” series.

Guests in this episode:

Yoshua Bengio is a professor at Université de Montreal. He also has the distinction of being the most-cited living scientist in the world, in any discipline. He’s co-president and scientific director of LawZero, a nonprofit startup dedicated to creating safe AI systems. In 2018, he was a recipient of the Turing Award, often referred to as the Nobel Prize of Computer Science.

Cory Doctorow is a novelist, journalist, technology activist and the author of an astonishing number of books, both nonfiction and fiction. Among them:Enshittification: Why Everything Suddenly Got Worse and What To Do About It. And the upcoming: The Reverse Centaur’s Guide to Life After AI.

Astra Taylor is a documentary filmmaker, cofounder of the Debt Collective, and a writer. Among her books: Democracy May Not Exist But We’ll Miss It When It’s Gone, and The People’s Platform, which won the American Book Award. Taylor also delivered the 2023 CBC Massey Lectures calledThe Age of Insecurity: Coming Together as Things Fall Apart.

On White Coat, Black Art, trusted ER doctor Brian Goldman brings you honest and surprising stories that can change your health and your life. Expect deep conversations with patients, families and colleagues that show you what is and isn't working in Canadian healthcare.

“Pistol” Pete Pearson, a 76-year-old living with a terminal lung disease, says psilocybin-assisted therapy transformed his end-of-life distress after he accessed it outside the medical system. While psilocybin remains illegal in Canada, researchers including UHN psychiatrist Dr. Joshua Rosenblat are running government-funded trials exploring its potential for mood disorders. More episodes of White Coat, Black Art are available wherever you get your podcasts, and here: https://link.mgln.ai/WCBAxIDEAS

It’s easy to admit to having biases, but much harder to pin down what they are, let alone figure out what to do about them. Nevertheless, IDEASproducer Tom Howell gives it his best shot. He looks into what the rewards might be, if we could name and identify our own most important biases.

This episode is part one of a three-part series exploring the meaning of 'bias.' It originally aired on Sept. 7, 2021.

As a former negotiator of the Oslo Accords for Israel, British-Israeli author and analyst, Daniel Levy, has both a diagnosis and a prescription for the land he refers to as Palestine-Israel. He says the two-state solution is “spent” and argues we need new ideas about how Israelis and Palestinians can co-exist peacefully.

Some of the biggest minds behind AI may have you thinking a Terminator-like robot is coming for us. But literature professor Teresa Heffernan says tech giants have taken their readings of science fiction plots too far, and failed to provide strong evidence for grandiose claims that originated on the pages of science fiction. She argues there are many reasons to fear AI, but an android uprising isn’t one of them.

Heffernan is a professor of English language and literature at Saint Mary’s University in Halifax. She delivered the 2026 Wiegand Memorial Foundation Lecture at the Jackman Humanities Institute | University of Toronto.

Aaron Williams has worked in fisheries, as a forest fighter and is currently an airport ramp agent. When he's not working, he's writing about work: the hard kind, requiring bodily energy and mental endurance. Physical labour has always been a part of his life. He grew up in a logging family. In this podcast, Williams talks about the challenges, rewards and changing realities of hard work.

Aaron William's memoir is called The Last Logging Show: A Forest Family at the End of an Era (Harbour Publishing). The book received the 2025 Edna Staebler Award for Creative Non-Fiction. His public talk was recorded at the awards ceremony at Wilfred Laurier University in Waterloo, Ontario.

The Trump administration has been targeting higher education for some time now — freezing grants and filing lawsuits against leading universities. But these threats are not limited to the U.S. and there are growing concerns about a potential spillover effect on Canadian campuses. In this podcast, host Nahlah Ayed speaks with three panelists to explore what's at stake with the politicized attacks on universities — and why it matters to all of us.

This discussion was recorded in front of an audience at the Isabel Theatre in Toronto.

Guests in this episode:

Malinda S. Smith is an associate vice president research and a professor of political science at the University of Calgary. She is the co-editor of Nuances of Blackness in the Canadian Academy: Teaching, Learning, and Researching While Black.

Randy Boyagoda is a novelist and professor of English at the University of Toronto, where he also serves as the university’s advisor on civil discourse, the first position of its kind in Canada.

Davide Panagia is professor and chair of political science at UCLA, where his work bridges philosophy, media and democratic life. Before that, he held the Canada Research Chair in Cultural Studies at Trent University.

How? Some scientists believe in the power of nuclear fusion. Environmentally, these machines would have the potential to meet our energy needs with zero carbon cost. But the other advantage is removing a significant motivation behind war — the control of energy sources. Think about it. The Middle East would look a lot different today. This podcast explores what the transition to fusion energy would entail from the challenges, the rewards and the risks.

Guest in this episode:

Mustafa Bahran is a physics professor at Carleton University in Ottawa. He came to Canada after his life in Yemen became too dangerous. There he founded the Yemeni Scientific Research Foundation and National Atomic Energy Commission.

Greg Twinney is the the CEO of General Fusion.

Mike Donaldson is senior vice president in technology development at General Fusion.

Michael Mann is a climate scientist and director at the Penn Center for Science, Sustainability and the Media.

JC Btaiche is founder and CEO of a nuclear fusion company called Fuse.

Elmina is a place in Ghana that poet Sarpong Osei Asamoah describes as a "two-sided wonder." A bustling, lively fishing town in contrast to the painful history of a 400 year old 'slave castle' — a UNESCO World Heritage site. Historically, it's considered 'ground zero' for global economic and racial injustice. This podcast takes you on a tour inside the dark and brutal past of the Elmina castle and through the vibrant town that's full of life.

Guests in this episode:

Philip Amoa-Mensah is an Elmina tour guide with more than 20 years of experience.

Ato Quayson is chair of the department of African and African American studies and professor of English at Stanford University. He is the author of Oxford Street, Accra: City Life and the Itineraries of Transnationalism.

Bayo Holsey is a professor of African American studies at Emory University. She is the author of Routes of Remembrance: Refashioning the Slave Trade in Ghana.

Sarpong Osei Asamoah is a Ghanaian poet. His poetry includes At Elmina Castle, I Bleed.

The ancient Greek story of Jason and Medea starts as a love story and ends as a horror show — just the way the Greeks liked it. The met, fell in love, stole the magical golden fleece (a symbol of authority and kinship) and escaped like a primeval Bonnie and Clyde. Find out why one of our guests calls Jason "an absolute hypocritical pig of a husband" as IDEAS explores their turbulent relationship. *This episode originally aired on Sept.19, 2022.

Guests in this episode:

Edith Hall is a professor of Classics at Durham University.

Florence Yoon is an assistant professor of Greek Language and Literature at the University of British Columbia.

Rosie Wyles is a senior lecturer in Classical History and Literature at the University of Kent.

James Clauss is a professor of Classics at the University of Washington.

Lucy Jackson is an assistant professor of Classics and Ancient History at Durham University.

Connor Heaney is a collections manager at the Ray & Diana Harryhausen Foundation in Edinburgh.

Vanessa Harryhausen is Ray Harryhausen's daughter.

Lyndsy Spence is the author of Cast a Diva: The Hidden Life of Maria Callas, published by The History Press.

"AIDS exacerbates and accentuates inequality," Stephen Lewis said in his final CBC Massey Lectures he delivered in 2005. Back then the willingness of the world’s richest countries to help in the HIV/AID crisis was in question. The former ambassador to the UN and Canadian political leader died March 31st at 88. He will be remembered for his unwavering efforts to bring international attention to the HIV pandemic in Africa — calling out Western governments and financial institutions. This podcast revisits Lewis's Massey Lectures and his overall message to make a difference.

"I thought I understood the way the world works. I don't. I'll devote every fibre of my body to defeating this viral contagion, but I cannot abide the willful inattention of so much of the international community. I cannot expunge from my mind the heartless indifference, the criminal neglect of the last decade [1995-2005], during which time countless people have gone to their graves, people who should still be walking the open savanna of Africa." — excerpt from Stephen Lewis in his 2005 CBC Massey Lectures.

The Queen of Sheba is a holy figure to some; a demon in disguise to others. Her indelible presence has haunted religious scholars and fuelled nationalist visions in East Africa and Southern Arabia.IDEAS explores the many afterlives of the Queen of Sheba — and how ideas about gender and power have shifted in each retelling of her life.

Guest in this episode:

Shahla Haeri is a professor of anthropology and a former director of the Women's Studies Program at Boston University, and one of the pioneers of Iranian anthropology. Her books include Law of Desire: Temporary Marriage in Shi'i Iran, No Shame for the Sun: Lives of Professional Pakistani Women and The Unforgettable Queens of Islam: Succession, Authority, Gender.

Jillian Stinchcomb is a director's visitor at the Institute for Advanced Study in Princeton, New Jersey working as a postdoctoral fellow in the "Interactive Histories, Co-Produced Communities: Judaism, Christianity, and Islam" project. In 2020, she defended her dissertation, "Remembering the Queen of Sheba in the First Millennium," a reception history of the Queen of Sheba across Jewish, Muslim, and Christian texts from the biblical to the early medieval period. She works with material in Hebrew, Aramaic, Arabic, Greek, Latin, and Ge'ez.

Safia Aidid is an interdisciplinary historian of modern Africa and an assistant professor at the University of Toronto. Her research addresses anticolonial nationalism, territorial imaginations, borders, and state formation in the Horn of Africa, with a particular focus on modern Somalia and Ethiopia.

Eyob Derillo is a reference specialist in the Reading Room of Africa and Asian Studies at the British Library, and previously served as curator for the library's Ethiopic and Ethiopian Collections. He is a Ph.D. student at the School of Oriental and African Studies, focusing on the history of Ethiopian magic.

Yousra Ishaq is a director and producer in Yemen, facilitating local productions and coordinating multinational teams including international media outlets such as the BBC and PBS. In 2017, she co-founded the Yemen-based film foundation and production company, Comra Films.

The guided principles on this list are based on Jesuit Bernard Lonergan's philosophy. His thought will likely shape the world for centuries to come, according to John Dadosky who has studied and taught Lonergan’s work for decades. It’s a bold statement to make, but as he points out, Lonergan’s talking about YOU. The prolific thinker dedicated much of his life's work to understanding human consciousness. In this podcast, IDEASexplores how his insights can play a role in our every day lives.

On our website: Five principles to lead a good life.

St. John Passion — the complex masterpiece by Johann Sebastian Bach tells the story of Jesus during his final days. It's a work that speaks to the heart of the Christian narrative, which itself lies at the heart of Western culture. Tafelmusik Chamber Choir Director Ivars Taurins and music broadcaster Robert Harris zoom in on the work from the conductor's perspective to show how the notes translate into meaning — at a level of detail we listeners rarely discern.

The face we give to our monsters says much about our anxieties as a culture. But birds? Two classic works of 20th-century horror featured a violent avian army. This podcast looks at why a Daphne du Maurier short story, and the Alfred Hitchcock thriller inspired by it, imagined “The Birds” as humanity’s mortal enemy. Seeded with fears of technological overreach and environmental disaster, and terror at the rise of the violent irrational, our reality was anticipated. *This episode originally aired on Sept. 6, 2023.

Guests in this episode:

Lynn Kozak is an associate professor in history and classical studies at McGill University and editor of Scapegoat Carnivale's Tragic Trilogy.

W. Scott Poole is a professor in the department of history at the College of Charleston. He is the author of Dark Carnivals: Modern Horror and the Origins of American Empire.

Catherine Wynne is a reader in English, and an associate dean for Research and Enterprise at the University of Hull. Her most recent book is on the war artist,Lady Butler. She wrote about The Birds for The Conversation.

There are 19 centibillionaires and a growing list of 3,000 billionaires worldwide. So it might not surprise you that the richest one per cent possesses nearly half of the world’s wealth. History has never seen such an extreme concentration of wealth. Some economists argue the battle of the 21st century is between oligarchy and democracy. How did we get here? IDEAS begins a four-part documentary series The Billionaire Age.

Listen to more episodes in this series:

Listen to Part Two: Disney heiress on the dangers of extreme wealth

Listen to Part Three: How oligarchs are taking over the world

Guests in this episode:

Ingrid Robeyns is a philosopher and economist. She is the chair in Ethics of Intuitions at Utrecht University and the author of Limitarianism: The Case Against Extreme Wealth.

Lucas Chancel is the co-director of The World Inequality Lab and a professor at the Paris School of Economics.

Gabriel Zucman is also the co-director of The World Inequality Lab. He is a professor at the Paris School of Economics and the University of California, Berkeley.

Nitin Bharti is an economist and lecturer at The University of Western Australia. He is the South and South-East Asia coordinator at the World Inequality Lab.

Lars Osberg is an economics professor at Dalhousie University, in Halifax, Nova Scotia. His latest book is The Scandalous Rise of Inequality in Canada.

Abigail Disney is an American film producer, philanthropist and social activist. She is a member of Patriotic Millionaires which advocates for higher taxes on the wealthy.

Paul Krugman is an American economist and the winner of the 2008 Nobel Memorial Prize in Economic Sciences.

Tim Wu is a legal scholar and a professor at Columbia Law School. He is also a contributing opinion writer at the New York Times. His latest book isThe Age of Extraction: How Tech Platforms Conquered the Economy and Threaten Our Future Prosperity.

Nick Hanauer is an entrepreneur and venture capitalist. He co-authored his latest book with Joan Walsh and Donald Cohen, Corporate Bullsh*t: Exposing The Lies and Half-Truths that Protect Profit, Power and Wealth in America. And he hosts the podcast: Pitchfork Economics.

Guido Alfani is a professor of economic history at Bocconi University in Milan, Italy. His latest book is As Gods Among Men: A History of the Rich in the West.

Earthworms are supposed to be a sign of healthy soil. But they're actually an invasive species that can even damage forests. So have we been sold a lie about worms and soil? Not exactly. The relationship between the two depends on the context. And the way we garden — or farm — can make all the difference. IDEAS producer Annie Bender unearths the complicated truth about the not-so lowly earthworm.

Guests in this episode:

Joshua Steckley is a political ecologist, postdoctoral fellow at Carleton University and the author of The Nightcrawlers: A Story of Worms, Cows, and Cash in the Underground Bait Industry.

Peter Groffman is a professor at the City University of New York Advanced Science Research Center and Brooklyn College, with research interests in ecosystem, soil, landscape and microbial ecology, with a focus on carbon and nitrogen dynamics.

Mike McTavish is a conservation scientist at a rare Charitable Research Reserve in Cambridge, Ontario.

Janet Browne is a historian of science and Darwin biographer, author of a two-volume set called Darwin: A Biography.

The bombing of civilians has been called one of the "great scandals" of modern warfare. So why, despite nearly a century of drafting laws and signing conventions protecting the sanctity of human life, does bombing civilians remain a widespread military tactic?IDEAS producer Naheed Mustafa looks at a century of bombing civilians to try and answer that very question.

Guests in this episode:

Yuki Tanaka is a historian and emeritus research professor of history at the Hiroshima Peace Institute.

Mark Selden is senior research associate in the East Asia program at Cornell University, and the founder of Asia-Pacific Journal.

Azmat Khan is a professor of journalism at Columbia University and an investigative journalist with the New York Times.

Fact and fiction may seem poles apart but writers Esi Edugyan and Tiya Miles find the two intertwine perfectly in their award-winning storytelling. Both authors try to imagine past lives in their work, in part so that we may reimagine our own. They may operate in different realms but what they share is the telling of profoundly important stories that would otherwise go untold. It's been a longtime goal forIDEAS to bring these two accomplished authors together for a discussion — and it was worth the wait.

This podcast was recorded in front of an audience in January 2026 at a Toronto Public Library event.

Poetry can find you when you need it most. It can be life-altering to read that poem just at the right moment. It was for six IDEAS producers who join Nahlah Ayed in studio to share poems they return to, year after year.

This special episode is to mark UNESCO's World Poetry Day, March 21st.

A case before the Supreme Court of Canada is challenging Quebec’s law on secularism. Legal scholar Benjamin Berger is a prominent voice in the study of constitutional and criminal law in Canada. He argues secularism "is a concept that hides more than it shows." In this podcast, Berger examines how secularism obscures the impact of religion on our legal and political systems. "We end up speaking abstractly about what secularism is, what it demands, instead of whether our government is treating people equally and fairly."

Benjamin Berger is professor at Osgoode Hall Law School of York University. He delivered Memorial University’s 2026 Henrietta Harvey Distinguished Lecture.

If journalist Vince Beiser had his way the term 'clean energy' wouldn't exist — it's a misnomer. He argues green energy comes with cost. Sure, solar power or wind power are both better than power from fossil fuels but Beiser points out they are still harmful to the planet and people. "There's no magic solution." Beiser tellsIDEASwe need to shift to renewable energy but we also need to recognize it's not a "magic solution" — there is a downside with consequences.

Vince Beiser's book is called Power Metal: The Race for the Resources that Will Shape the Future.

Port cities are where worlds collide. They are a place of cultural, economic, political and religious contact. They've existed for millennia and facilitated the birth of empires and the rise of a globalized economy. Without port cities, our world would look very different. In the first episode of our series on how port cities shaped the world as we know it, UBC journalism professor Kamal Al-Solaylee visits Singapore — a constantly-evolving port city whose maritime roots go back to the 13th century. 

“One of your tribe is enough.” That’s what Margaret Rossiter was told when she said she wanted to study female scientists. Nevertheless, Rossiter persisted. She found and documented hundreds of women whose contributions to science had been overlooked, under-credited and misappropriated. Then she made history herself by coining the term “The Matilda Effect” to describe why those women failed to get the credit they deserved.

Who is Matilda? Matilda Joslyn Gage was a suffragist erased from history. She was known as being too radical for Susan B. Anthony. This podcast shares her story.

Guests in this episode:

Katie Hafner is a former NYT reporter, host and co-executive producer of Lost Women of Science podcast.

Sophie McNulty is the producer of theLost Women of Science podcast.

Ellen Abrams is an assistant professor at the University of Toronto Institute for the History and Philosophy of Science and Technology. She was a graduate student at Cornell University, who shared an office with Margaret Rossiter and was influenced by her work.

Sally Gregory Kohlstedt is a professor emerita of history of science and technology at the University of Minnesota-Twin Cities, and a close friend and colleague of Margaret Rosstier, fellow science historian.

Ailsa Hollandis a historian and a co-author of On This Day She Putting Women Back into History One Day at a Time.

Margaret Rossiter (deceased Aug 3, 2025) was the Marie Underhill Noll Professor of History of Science Emerita and Graduate School Professor. She coined “The Matilda Effect” and wrote a three-volume series, Women Scientists in America.

One of the strongest ties between the diaspora and home is music. In Iran, music can be politically contentious. In Canada, it connects a community to its past and to its future. Days after the bombings began in Iran, Nahlah Ayed spoke to three Iranian-Canadian musicians and composers about the role of music in a time of uncertainty.

"Music can be an escape, can be a consolation... Like if we are the stars and galaxies on the planets of the universe, music is like the dark matter of that universe. It's that gravitational force that we know is there but we can't quite put our finger on it." — composer and pianist Iman Habibi

Guests in this episode:

Tahare Falahati is a Persian traditional singer

Kaveh Mirhosseini is an Iranian composer and conductor

Iman Habibi is a composer and pianist

Mathematics is everywhere: a common refrain from high school math teachers. But did you ever think math could be linked to literature? And not just in works from the literary greats of the past but for example Michael Crichton's Jurassic Park. The relationship between math and literature are fundamentally creative, says Sarah Hart, a mathematician and author who speaks to Nahlah Ayed about how these two things that seem so polar opposite are deeply intertwined.

Sarah Hart's book is called Once Upon a Prime: The Wondrous Connections Between Mathematics and Literature.

It is possible. Flavours have been lost to the past, as culinary physicist Lenore Newman explains. She points to the extinction of the passenger pigeon — a species numbering in the billions throughout North America — as an example. In 1914, Martha, the last passenger pigeon, died at the Cincinnati zoo — and in place of the pigeon, came the industrialized farming of chicken. Newman says we're now transitioning to lab-raised food — a technology capable of pushing a global history of scarcity into one of abundance, all the while easing land usage. She calls it the "food singularity."

At a time when the future of Iran is uncertain, we revisit an IDEAS documentary about the history of women’s resistance in Iran — women who in 1979 harboured dreams of freedom and democracy. After ousting the Shah, and mere weeks after Ayatollah Khomeini took power, Iranian women marched to show their fury at the revolution. Forty years after their protest, documentary maker Donya Ziaee spoke to three Iranian women who were there, fighting to turn the tide of history. *This episode originally aired on March 8, 2019.

Accusations of a stolen election, laws targeting NGOs and media, violent treatment of protestors — sometimes live on TV. What’s happening in the republic of Georgia right now typifies what is happening geopolitically around the world. The authoritarian ruling party called Georgian Dream aligns itself with Russia but most citizens want the country to join the European Union. There have been 400 consecutive days of protests before 2026 against the Georgian Dream government.

Radio documentary makers David Zane Mairowitz and Malgorzata Zerwe were in the capital Tbilisi, and to record the Family Purity Parade and a demonstration, each from opposing ends of the political spectrum, for this documentary.

Connie Greyeyes describes herself as an ‘accidental activist.’ After her cousin was murdered and her childhood best friend went missing, she started organizing vigils for missing and murdered Indigenous women in Fort St. John, B.C. — then asking questions about the relationship between resource extraction and violence against women. This episode is the first in a series of profiles of human rights defenders, recorded alongside the 2025 CBC Massey Lectures. 

You likely have never heard of Matilda Joslyn Gage. Gloria Steinem calls her “the woman ahead of the women who were ahead of their time.” Matilda worked side by side with Susan B. Anthony and Elizabeth Cady Stanton to get women the vote in the United States and co-wrote the history of the women’s movement with them. IDEASproducer Dawna Dingwall looks into why the towering figure was erased by her peers, and the work that is being done to write Matilda back into history.

"The Matilda Effect" was a term coined by a historian Margaret Rossiter to describe women whose work had been overlooked and erased from history, like Matilda Gage. Listen to this podcastto hear about the lost women of science and how Rossiter gave them the credit they deserved.

Guests in this episode:

Angelica Shirley Carpenter, author of Born Criminal: Matilda Joslyn Gage, Radical Suffragist

Michael Patrick Hearn, author of the Annotated Wizard of Oz

Gita Dorothy Morena, great-great-granddaughter of Matilda Joslyn Gage

Ciarrai Eaton, executive director of the Matilda Joslyn Gage Foundation

The lateSally Roesch Wagner, former ED of the Matilda Joslyn Gage Foundation appears courtesy of The Book Dreams Podcast, WCNY's Repeating History podcast, the International Wizard of Oz Club and filmmaker Jeremy Kagan.

There are two things most people agree on — artificial intelligence is rapidly advancing, and the grave risks AI poses are very real — no one, not even ChatGPT, really knows how this will play out. Renowned “Godfather of AI” Geoffrey Hinton argues we need to put the brakes on AI development until we know for sure it can be kept safely under control.

Owain Evans is a leading AI researcher and the founder/director of Truthful AI. In his 2025 Hinton lecture series, organized by the AI Safety Foundation, he discusses the risks presented by AI, the means at our disposal to keep it escaping human control, and the challenges of developing coherent, comprehensive strategies to prevent AI from becoming a menace to humankind.

Have time for one more podcast? Don't miss our feature interview with AI pioneer Geoffrey Hinton: Why AI needs to be nicer to us and develop 'maternal instincts'

And it is dying. At least for us, humans. Our chatter and connection online is being overrun by bots — more than half of online activity is non-human. The internet is on it's way to feeling haunted, like a deserted mall where the fountain is still gurgling, the canned music is still playing, but the people are nowhere to be found.IDEASexplores the dying internet and what we will do when it's dead?

If you like this episode, you may want to listen to: We're not machines. Why should our online world define life?

Guests in this episode:

Cory Doctorow is an activist with a non-profit called the Electronic Frontier Foundation. He's a writer and journalist. His most recent book is called Enshitification: Why Everything Suddenly Got Worse And What To Do About It

Matt Hussey is a UK-based therapist and tech journalist.

It was a simple honeymoon photo from 1941. A stranger posted it online and the commentary was vicious. The woman in that picture was Albanian author Lea Ypi’s grandmother. In the midst of the Second World War and the violent end times of Mussolini’s government, Ypi’s grandmother must have been a fascist, a collaborator, a traitor to Albania. In her book, Indignity: A Life Reimagined, Ypi attempts to find the truth of her grandmother’s life, in a journey that mixes philosophy, fantasy, history, and family narrative.