From war and nationalism to emigration patterns – there are many reasons languages go extinct. Author and journalist Sophia Smith Galer explains how so-called linguicide happens – and why it’s not too late to bring languages that have been killed back to life, as discussed in her book, How to Kill a Language: Power, Resistance, and the Race to Save Our Words.

Plus: From the World Cup to Eurovision, Canada has been doing a lot lately to make a bigger mark on the world stage, but what it means to be Canadian remains an open question. Comedian Charles Demers shares the language, symbols and quirks that he thinks define us – and why talking about identity together may be the most Canadian thing of all.