Ideas

Ideas

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


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


New episodes drop Monday through Friday at 5pm ET.

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Resumo do episódio

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

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Destaques

So there was this collective yearning to want to know it was possible to communicate with all these lost young souls.

00:08:36 · The speaker explains how the massive loss of life during WWI and the 1918 pandemic fueled the public's interest in spiritualism.

A magician has a set of tools, a set of experience and expertise that a scientist does not have. As you know, atoms and any kind of chemical substance does not lie. Humans do.

00:34:02 · The speaker explains why magicians are uniquely equipped to assist scientists in detecting human deception during paranormal investigations.

People don't reject the science because the science is weak. They reject conclusions that they dislike.

00:49:29 · The speaker describes how targeted campaigns manufacture doubt about inconvenient scientific findings.

The danger is never mainly that we would believe a fake. It's that manufactured doubt lets people disbelieve what is true.

00:50:47 · This highlights the primary threat of deepfakes and synthetic media in undermining reality.

Skepticism is what protects wonder. It doesn't drain the color out of the world, but it aims your amazement at what is actually real.

00:52:28 · The speaker argues that scientific rigor and awe are compatible rather than contradictory.

Episódios

2100-

How Houdini fought the misuses of magic

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

30 out. 2026
2099-

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

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

29 out. 2026
2098-

How being curious and confused drives scientific progress

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

28 out. 2026
2097-

Why background music is everywhere

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

27 out. 2026
2096-

What's for dinner in 2050?

This episode explores the unsustainable nature of the modern global food system, examining how industrial agriculture and the rise of ultra-processed foods drive biodiversity loss, environmental degradation, and global health crises. The discussion highlights how corporate interests and political deregulation have prioritized profit and convenience over nutrition and traditional culinary heritages. The conversation also investigates potential solutions, ranging from technological innovations like lab-grown meat and plant-based alternatives to a return to flavor-focused, regenerative agriculture. While debating the tension between industrial efficiency and artisanal sustainability, the episode concludes that solving the climate and nutritional crises may be possible by bridging the investment gap in organic R&D and prioritizing food quality.

26 out. 2026