CBC Discover & Learn

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Kanal • 22 serier

Samfund og kultur

Samfund og kultur

Dagligt
Geovidenskab

Geovidenskab

Ugentligt
Nyheder

Nyheder

Ugentligt
Historie

Historie

08.10.2025
Erhverv

Erhverv

Ugentligt
Nyheder

Nyheder

Ugentligt
Samfund og kultur

Samfund og kultur

Ugentligt

3 dage siden

Summer Science Spectacular

From camping out on 'bird poop island,' chasing down wild dogs in Madagascar, or even looking for bombs in a bog in Ottawa –– no one quite does summer like scientists. This week, we revisit some of the hijinks that Canadian researchers got up to last year as they left their labs to get their hands dirty in the field. FEATURING: Camping out on a remote island with thousands of screaming, pooping, barfing birdsDodging lions and mongooses to monitor what wild dogs are eating in MozambiqueSaving ancient silk road graffiti from dam-inundationProspecting for Second World War bombs in an Ottawa bogTechnology allows examination of Inca mummies without disturbing themEavesdropping on chatty snapping turtles in Algonquin Park

3 dage siden

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54 min.
3 dage siden

A witch, a demon and an exorcism? Welcome to life in 1660

When you're a historian and learn about Canada’s earliest reported ‘demon possession caused by witchcraft’ case, you dig right into the story. And that's what Mairi Cowan did. She's been investigating one of Quebec's weirdest true tales, and is finally able to piece together a detailed story of what happened. *This episode originally aired on Dec. 14, 2022. Mairi Cowan is the author of The Possession of Barbe Hallay: Diabolical Arts and Daily Life in Early Canada. She is an associate professor in the Department of Historical Studies, University of Toronto-Mississauga. Other guests in this podcast: Scott Berthelette is an assistant professor in the Department of History at Queen’s University. He researches the history of Indigenous Peoples, the Métis, New France, and the Hudson’s Bay Company. His new book is Heirs of an Ambivalent Empire: French-Indigenous Relations and the Rise of the Métis in the Hudson Bay Watershed. Colin Coates is professor of Canadian Studies and History at Glendon College (York University). He specializes in the history of early French Canada. Sarah Ferber is a professor at the University of Wollongong, specializing in early modern European religious history; contemporary religion, and modern medical history. Her books include Demonic Possession and Exorcism in Early Modern France and, most recently, IVF and Assisted Reproduction: A Global History.

3 dage siden

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54 min.
12. jun.

Podcasts in Uganda and Ghana are reclaiming sex and 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.

12. jun.

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54 min.
28. maj

So... who wants a pipeline?

For the past decade, Canadians have been split 50/50 on new pipelines — that's changed. Two recent opinion polls found roughly three quarters of eligible voters in Canada want at least one new pipeline built to export more fossil fuels. Yet, 70 per cent of people consider climate change a serious threat. IDEAS producer Tom Howell explores the incompatibilities and future scenarios. *This episode originally aired on Oct. 7, 2025. If you liked this episode, you may want to listen to this podcast: A machine that could save us from war — and global warming

28. maj

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54 min.
26. jun.

Sweat, comets and dino milk. It’s our summer question show!

Quirks & Quarks has been taking your burning science questions for half a century. And while we thought we might have answered every question there is to answer over the years, our listeners proved there are always more fascinating head-scratchers for us to tackle. Like: Are comets eternal?In a sauna, what am I sweating out?Did dinosaurs produce milk?If heat rises, why is there snow on the top of mountains?What does a black hole orbit?What if we had no moon?Why are cat and dog tongues so different?Why are robin eggs so blue?Why do some animals become mega sized?How do animals deal with strong bright UV light?

26. jun.

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54 min.
3 dage siden

A former bike thief explains why it's so easy to steal your ride (Encore Edition)

Back in the day, bike thieves could snip through cheap cable locks, but they were stymied by the more expensive U-locks. Then, one power tool came along and changed everything. Also, why more women are travelling solo and and why many of us are just one "turning point moment" away from chucking it all and quitting our jobs.

3 dage siden

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26 min.
11. jun.

Why joy is most valuable when it's in public

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.

11. jun.

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54 min.
26. jun.

How 4 Makes and Breaks Rules | The Greatest Numbers of All Time

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."

26. jun.

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54 min.
6 dage siden

Why the 1976 novel Bear is still controversial — and relevant

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.

6 dage siden

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54 min.
13. jun.

Canadians are crowdfunding to pay their bills

Thousands of Canadians have launched GoFundMe campaigns this year, asking for help with everyday expenses. But, as more of us struggle with the cost of living, is crowdfunding the best way to keep up? Also, just how much does it cost small towns to maintain giant roadside attractions? And we ask: what does the rise of Elon Musk, the world's first trillionaire, say about capitalism in the 21st century? Paul Haavardsrud speaks to Quinn Slobodian, co-author of Muskism: A Guide for the Perplexed.

13. jun.

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28 min.

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