Einstein’s theory of relativity, quantum physics, and finding evidence of black holes — trace the chain of discoveries that led to these breakthroughs and you'll end up with the Italian astronomer and inventor, Galileo Galilei. Renowned Italian theoretical physicist and author Carlo Rovelli says we can learn a lot from Galileo today. He explains how 400 years ago, this renaissance man of science was discovering new facts about the Universe to understand ourselves better — and so are we.

In 1971, artist Joyce Wieland said: "Canada can either now lose complete control — which it almost has, economically, spiritually and a few other things — or it can get itself together." In the 60s and 70s, the artist painted, sculpted and stitched the Canadian flag and our sense of national identity. Her art called on the need to preserve its distinctness from the United States. Now, a quarter century after her death, the artist's work and words form a clarion call. *This episode originally aired on Sept. 12, 2022.

Montreal was a hotbed of spies and conspirators during the U.S. Civil War. IDEAS host Nahlah Ayed and investigative journalist Julian Sher, author of The North Star: Canada and the Civil War Plots Against Lincoln, tour Montreal’s past and present, tracing the city’s hidden Confederate past.

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.

Need a babysitter? Phone Cindy. That's just one of the ads in The Inverness Oran, a small town newspaper in Cape Breton with a circulation of 3,000. For almost 50 years, the paper has kept the community updated on local news, many opinions, and letters to the editor. IDEAS offers a snapshot of what people are talking about in Inverness County, what newspapers used to be, and why the family-owned paper is stronger than ever.

In 1997, the Mi’kmaq Nation took over on-reserve education in Nova Scotia. It was the first time in Canadian history that jurisdiction for education was transferred from the federal government to a First Nation. One year later, Eskasoni First Nation high school opened, and since then, the school has become an epicentre for Mi’kmaq language revitalization. This episode is the second in a two-part series on language revitalization.  

Younger generations in Nunavut today are less likely to grow up immersed in Inuktut. At a language school in Iqaluit, Inuit adults who didn’t grow up speaking Inuktut now have the chance to learn it as a second language at the Pirurvik Centre. By learning the words for kinship terminology, they’re also discovering things about their families they never knew. *This episode is the first in a two-part series on language revitalization.

Ever felt that no one is really listening? In the first of his 2024 CBC Massey Lectures, novelist and poet Ian Williams explores why we need to have a conversation about conversations. His five-part lecture series confronts the deterioration of civic and civil discourse and asks us to reconsider the act of conversing as the sincere, open exchange of thoughts and feelings. *The Massey Lectures originally aired in November of 2024.

In his second Massey Lecture, Ian Williams explores the power of conversation with strangers. He says humanity comes out when interacting with them. But how do we open ourselves up to connect with strangers while safeguarding our personal sovereignty? Williams believes we can learn a lot from our conversations with strangers and loved ones alike. 

Difficult conversations are almost always about something under the surface, and hidden. In his third Massey Lecture, Ian Williams illustrates what we’re listening for isn’t always obvious. He explains how personal conversations aren't about finding answers — it's for communion.