S1 Ep34: Katie Mack - Contemplating The End of The Universe

Our universe could collapse in upon itself, or rip itself apart, or even - in the next five minutes - succumb to an inescapable expanding bubble of doom. So what does that mean about the way we look at the past, present and future of human life on earth? Richard Kilgarriff talks to astrophysicist Katie Mack about the beginning, middle and end of everything as we know it...