Clare Hasenkampf of the Biology Department at University of Toronto Scarborough presents her lecture Chromosomes Dividing: How It Is Done and Why It Matters.

Lieutenant General (retired) Andrew Leslie, the Former Chief of Transformation for the Canadian Armed Forces, discusses the lessons that can be learned from the Canadian military mission in Afghanistan. He explores how these lessons need to be applied to the Canadian Force's priorities in the face of future budget cuts.

Neurologist and best-selling author, Oliver Sacks, discusses his book Musicophilia. and the ways our brains interact with and understand music.

In his lecture entitled "Narrative Imagination and Catharsis", philosopher Richard Kearney takes the examples of Joyce's Ulysses, Homer's Odyssey and Shakespeare's Hamlet to illustrate his thesis on the healing power of art. His lecture was part of an event called Imagination's Truths and was recorded at the Isabel Bader Theatre on October 13, 2012.

American author and political activist, Noam Chomsky, speking at a benefit for Canadian Dimension Magazine, delivers a talk entitled The Imperial Presidency. Recorded at University of Toronto on Nov 21/04.

The 2012 Keith Davey Forum on Public Affairs, moderated by Steve Paikin and featuring Lee Rainie and Jesse Hirsh. They address the question, Is Social Media Good for Democracy?

Science writer Philip Ball on his book Curiosity: How Science Became Interested in Everything. Ball explores how the history of science was influenced by the cultural accetance or rejection of human curiosity.

Samantha Nutt, Founder and Executive Director of War Child, is interviewed by Carol Off following her talk at the Grandest Challenge symposium.

Stephen Lewis of the Global Commission on HIV and the Law, is interviewed by Gillian Findlay following his talk at the Grandest Challenge symposium.

Jordan Peterson on Music and the Patterns of the Mind and World. Peterson, a University of Toronto professor of psychology, discusses the way in which music is perceived by humans. He compares the way we respond to visual arts, particularly the paintings of Picasso, to our perceptions of music in an effort to show how our brains respond differently to varied art forms.

The author of "Everything is Miscellaneous: The Power of the New Digital Disorder", David Weinberger, delivers a lecture entitled "Knowledge at the End of the Information Age".

Dr. Jill Tarter, Director at the Centre for SETI Research, discusses the ongoing Search for Extra-Terrestrial Intelligence and how new tools including the Allen Telescope Array and the Keplar Spacecraft are helping to make the search much more likely to succeed.

Stephen Lewis, social sciences scholar in residence at McMaster University, delivers a talk entitled, Climate Change; the New Big Thing.

University of Toronto Psychology Professor, Jordan Peterson, on Redemption and Psychology in Christianity. Dr. Peterson's lecture was the keynote address at the 2012 Meaning Conference held in Toronto.

Samantha Nutt, Founder and Executive Director of War Child Canada, and author of the book Damned Nations speaks at The Grandest Challenge Symposium.

Stephen Lewis of the Global Commission on HIV and the Law, and author of Race Against Time speaks at The Grandest Challenge Symposium.

Rupinder Brar lectures on the topic of Einstein's special relativity theory and it's explanation of time dilation and simultaneity. The lecture is entitled Relativity, Einstein, the Speed of Light and How to Stay Young.

Julian Barbour, visiting professor at the University of Oxford and the author of The End of Time, addresses the question, Does Time Exist? Barbour explores the history of scientific thought on the concept of time and presents his own interpretations of what time is.

Preeminent author, Margaret Atwood, delivers the 2008 Massey Lecture, "Payback: Debt and the Shadow Side of Wealth".

Tyler Cowen discusses his book The Great Stagnation: How America Ate All the Low-Hanging Fruit of Modern History, Got Sick and Will (Eventually) Feel Better. Andrew Coyne (National Post) presents a rebuttal and the pair discuss Cowen's thesis focusing on issues of productivity, innovation and government policy (moderated by Wendy Dobson).

In a lecture entitled "Fighting Poverty", Senator Hugh Segal explains why we need a new national approach to tackling poverty arguing that the costs and consequences of poverty are much larger than direct spending on social programs. Segal has been a long-time proponent of establishing a Guaranteed Annual Income. This lecture was produced in collaboration with the Literary Review of Canada.

Louis A. Perez, Jr. of the Department of History at the University of North Carolina, speaks about Cuban culture and revolution.

John Hancock, Senior Counsellor at the World Trade Organization, delivers a lecture entitled "Our Capitalist Revolution". Together with rapid growth, dazzling technologies and widening circles of development, global capitalism is delivering a turbulent, unequal, out-of-control world, which - Hancock argues - is just what we demanded. His lecture was produced in collaboration with the Literary Review of Canada.

Jacalyn Duffin of the Department of Medicine at Queen's University on History of the Stethoscope and the Meaning of Life.

Douglas Thomas, author of A New Culture of Learning, delivers a lecture on the intersections of technology, culture and education. This lecture is part of Learning 2030, TVO's special series on the future of education and was recorded on October 28, 2012.