Ideas
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Ideas

Author: CBC

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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.

486 Episodes
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Eleanor Roosevelt once said that universal human rights begin in “small places, close to home — so close and so small that they cannot be seen on any map of the world.” In his fourth Massey Lecture, Alex Neve reflects on moments when people power won the day.*Read this article to learn about the "most powerful" moment in Alex Neve's 40-year-career.
Secularism on trial

Secularism on trial

2026-03-1955:28

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 tells IDEAS we 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 the Lost 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 Holland is 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.
Our inherent human rights belong to us from the moment we are born. There is nothing we need to do to earn them, and they are supposed to apply to us until the day we die. But in his third Massey Lecture, Alex Neve argues the powerful have made human rights a ‘club.’ Visit cbc.ca/masseys for more on this lecture series.
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 HabibiGuests in this episode:Tahare Falahati is a Persian traditional singerKaveh Mirhosseini is an Iranian composer and conductorIman Habibi is a composer and pianist
Anxiety is an inescapable, fundamental human reaction to an unpredictable future. This is the philosophy of Thomas Hobbes, a curmudgeon of the 17th century who believed that without a powerful, sovereign government life would be "nasty, brutish and short." Politics and uncertainty go hand in hand. In this podcast, IDEAS explores how a new take on Hobbes on the topic of anxiety offers a surprising perspective on American politics and democracy. For worried politicos today his way of thinking offers valuable lessons.*This episode originally aired on Jan. 13, 2025.Guests in this podcast:Vertika is a political science PhD student at McGill University.Kinch Hoekstra is a professor of political science and law at the University of California, Berkeley, and the co-editor of The Oxford Handbook of Hobbes.Bethany Albertson is an associate professor of political science at the University of Texas at Austin, and the co-author of Anxious Politics: Democratic Citizenship in a Threatening World.Shana Gadarian is a professor of political science and associate dean for research at the Maxwell School at Syracuse University.
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."
The ideals behind the concept of human rights — such as the sacredness of life, reciprocity, justice and fairness — have millennia-old histories. After the carnage of the Second World War and the Holocaust, these ideas took a new legal form. In his second Massey Lecture, Alex Neve considers six dizzying years that laid out a blueprint for a new world. Visit cbc.ca/masseys for more on the series.
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.
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.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 Bydlowska is 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 of Drugs, Lies, and Docs: A Doctor's Memoir of Addiction (2024).
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. 
Universality is the core promise of human rights: these rights extend to everyone, everywhere. But above all else, this is where we have failed. In his first CBC Massey Lecture, Alex Neve explores how to ensure the “lifeboat” of human rights is seaworthy for everyone. Visit cbc.ca/masseys for more details about this lecture series.
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. IDEAS producer 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 podcast to 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 SuffragistMichael Patrick Hearn, author of the Annotated Wizard of OzGita Dorothy Morena, great-great-granddaughter of Matilda Joslyn GageCiarrai Eaton, executive director of the Matilda Joslyn Gage FoundationThe late Sally 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. IDEAS explores 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 ItMatt 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.
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Comments (60)

Monica Kootenay Lange

this episode isn't for only audio, btw

Feb 27th
Reply

Monica Kootenay Lange

Worse then Stalin. Hitler, Mussolini, Putin, et al, in one stinky, slimy mobster. I want off this world!

Feb 13th
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rima8

Love this podcast. Thank You!

Feb 10th
Reply

Dino Pintzopoulos

oh my God! that woman's argument about not having chickens in Aurora area is ridiculous. she said she works on a farm but the way she's talking she probably was on a farm for a week she has no idea. she never really had chickens because she really doesn't know.

Jan 30th
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Lordofhailspont

the lecture series is trash

Jan 21st
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Pedro Harcourt

brilliant.

Nov 3rd
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km

The unfilled promise of leisure? More like the unfilled promise of shared wealth!

Aug 9th
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Enzo Bek

an amazing podcast!!

May 28th
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Kelly Sali

The archbishop fails to inspire. As usual the solutions of a church are concerned about the church first and foremost. And notably he is tone deaf when he invokes the removal of first nations children from their families in Canada that his Catholic Church was instrumental in promoting.

Mar 5th
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Pætrïck Lėő Dåvīd

Brian Mulroney was a sell out for Canada.

Feb 26th
Reply

Albert Liem

oooooooo btgtfcc the ZZ 😮😮‍💨😢🛜dr I try to get the latest Flash player t TC future I will try to get dr TC, the xx c

Feb 5th
Reply

Gilgamesh

The wrongs shouldn't be forgotten, but it would be nice if you 1. acknowledged and celebrated the good parts of Canada's history even if it means saying something nice about a white dude and 2. where willing to openly talk about the wrongs committed by your own community.

Jul 11th
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Granny InSanDiego

The Romans collected taxes & slaves from the people they conquered. American colonists exploited slave labor. The US & Europe still exploit Africa & all other non-European people. They do not tax but instead lend, use cheap labor & exploit natural resources. These conquered countries become indebted, pay interest, and give up ownership of their land, mineral wealth, and send cheap laborers to the US. All residents of the US benefit from this system, some much more than others.All of us.

Jun 4th
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Granny InSanDiego

Empires are won and lost by militarism and exploitation. The first thing the colonists did on the way to founding the US was to fight a war against England over taxes. They realized they were being exploited. They in turn became the exploiters. First over the native population. They were enslaved and their lands were confiscated. Then Mexico. Then expansion into the Caribbean, Latin America, and the Pacific. This is what Rome did. The party ends when the costs of exploitation exceed the gains.

Jun 4th
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Stephen Bau

(23:47) “The Greeks were very important because they had their own notion, by the way, of Bildung. In Greek, the word is paideia. You can see the root, ‘ped’: children.”

Apr 24th
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Stephen Bau

The German word Bildung is used to describe Humboldt’s ideal for the education system he devised. The CBC Ideas episode refers to Bildung as (3:00) “a mystical concept from the Middle Ages that Humboldt reinterpreted and secularized, originally based on the Christian notion of holding the image of God within oneself in order to strive to be a better human. But Humboldt believed that it was education, not God, that could make one realize their full potential.”

Apr 24th
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Stephen Bau

35:29 “What is pathbreaking here is a new vision of humanity.” Jean-Jacques Rousseau “styled himself as a historian of the human heart. What he asserted was that there was this awful gap between what a person is and what he or she can imagine himself or herself to be. Children are inherently good, but society corrupts them. So, the job of education is to allow the child to freely develop his full multi-faceted capacities in accordance with his nature.”

Apr 24th
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Michael Barr

The use of terms such as metaphor and mediation

Oct 18th
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Gilgamesh

sigh. Nothing but propaganda in this series. The creators haven't bothered to understand their subject instead feeding themselves and the audience a pre canned narrative that reaffirms existing beliefs

Jun 24th
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Weather or Not

thank you for this validating episode.

Jan 31st
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