Don Kurtz, of the University of Central Lancashire, discusses asteroseismology in a lecture entitled Songs of the Stars: The Real Music of the Spheres. He explains how sound waves are helping to locate distant Earth-like planets, study solar storms and explain what happens in the core of stars.

Virginia Walker from the Biology Department at Queen's University presents her competition lecture entitled HIV, Parasites and the Exhausted Immune System.

Virginia Walker discusses her involvement in women's hockey, attending school in Nova Scotia and her love of research.

Dr. Michael Persinger, (Laurentian University - Neuroscience) winner of the 2007 Best Lecturer Competition, on Psychotropic Drugs.

Profile of Dr. Michael Persinger focussing on his research into brain stimulation to recreate drug experiences.

Dr. Leon Kass, Chair of the President's Council on Bioethics, examines the ethical dilemmas surrounding stem cell research. Dr. Kass addresses the philosophical question: Why not immortality?

Leroy Hood, of the Institute for Systems Biology, on Emerging Technologies and the Transformation from Reactive to Proactive Medicine.

Vaclav Smil of the Faculty of Environmental Studies, University of Manitoba, discusses Energy Transitions in this lecture which was part of the Waterloo Global Science Initiative (WGSI)Equinox Summit, hosted by the Perimeter Institute.

Primatologist Jane Goodall delivers a lecture on the similarities between chimpanzee and human emotions, preserving the environment, and hope.

Stanford University professor of Physics, Leonard Susskind, on ?The Black Hole Wars?, the scientific disagreement between Susskind and Stephen Hawking.