We're pretty used to the idea of extinction. Species live, species die, it sucks, but... it's kind of a fact of the modern world.But we didn't always think this way. In fact, the idea of extinction took a lot of work to get off the ground. Will tells Rod all about it!The Wholesome Show is Dr Will Grant and Dr Rod Lamberts, proudly brought to you by The Australian National Centre for the Public Awareness of Science!See omnystudio.com/listener for privacy information.