Epidemiologist David Waltner-Toews discusses his book, "On Pandemics: Deadly Diseases from Bubonic Plague to Coronavirus," on how viruses begin, how they spread, and how past pandemics have been handled.

Sexual-harassment and violence educator Julie Lalonde, known for highlighting the problem in the Canadian military, talks about her own experiences, outlined in her book, "Resilience is Futile: The Life and Death and Life of Julie S. Lalonde."