Ideas

"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 Ellenberg is 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.