Ideas from CBC Radio (Highlights)

Pioneering primatologist and conservationist Jane Goodall discusses the evolving relationship between humans and animals, saving the planet and the role the next generation can play in both.

Scientists around the world are increasingly restricted in what they can research, publish and say -- constrained by belief and ideology from all sides. What happens to societies which turn their backs on curiosity-driven research?

David Cayley concludes his series with three thinkers who believe that division of the world into the secular and the religious both oversimplifies and impoverishes political and religious life. He talks to William Connolly, Mark Taylor and Fred Dallmayr.

Paul Kennedy visits the War of 1812 battlefields at Washington (where the White House was famously torched) and Baltimore (which ultimately inspired the American national anthem, The Star Spangled Banner).

On April 27th, 1813, an invading American army attacked the muddy little town of York - which is now Toronto - and burned down the first Parliament Buildings of Upper Canada. Paul Kennedy revisits the battleground.

The concluding episode of IDEAS' commemoration of the bicentennial of the War of 1812 takes us 'down the Mississippi to the Gulf of Mexico', for the Battle of New Orleans.

David Cayley speaks to British theologian John Milbank about the movement “Radical Orthodoxy”. Milbank believes that modern Western societies have lost touch with authentic Christianity and as a result, are now living in a spiritually flattened world.

When does a joke go too far and actually cross 'the line'? And what defines the line: individual taste or social convention? Writer and performer Mark Leiren-Young delivers the 2014 Harvey Stevenson Southam Lecture at the University of Victoria.

In his book Political Theology: Four New Chapters, American legal theorist Paul Kahn argues that the foundations of the American state remain theological. He explores this theme with David Cayley.

Ideas about fire, domesticated and wild, past and present, bringer of life and death and life again. This "fire opera" by Max Allen features fire historian Stephen Pyne with a chorus of fire enthusiasts and fire fighters.

Ideas about fire, domesticated and wild, past and present, bringer of life and death and life again. This "fire opera" by Max Allen features fire historian Stephen Pyne with a chorus of fire enthusiasts and fire fighters.

He was a monarch like no other: he was a poet, a lover of science, and in his court multicultural collaboration and innovation were a matter of policy. A look at the life of Frederick II.

He was a monarch like no other: he was a poet, a lover of science, and in his court multicultural collaboration and innovation were a matter of policy. A look at the life of Frederick II.

"The Fundamentals" was a series of books published between 1910 and 1915, which tried to set the basics of Christianity in stone. Fundamentalism now refers to any back-to-basics movement. Malise Ruthve in conversation with David Cayley.

Pulitzer Prize winner Christopher Hedges spent decades as a war correspondent before the suffering he witnessed became too much to bear. In the fall of 2014, he gave a lecture at Ryerson University in Toronto. He later joined Paul Kennedy in conversation.