How exactly could AI kill us all?

Last week, an Anthropic researcher warned that rapidly advancing AI could lead to human extinction in the not-too-distant future. Then tech bosses joined the call for countries and companies to work together to slow the race towards artificial super intelligence. Today, AI philosopher Nick Bostrom on just how bad unbridled AI could get and whether we need to put the brakes on before it’s too late. Featured: Nick Bostrom, AI philosopher