The lab-grown brains taking on AI

You've heard of AI, but what about SBI? Synthetic biological intelligence is the next big tech frontier.   And a teacher, serviceman, and football coach: here's what we know about Kamala Harris's new running mate, Tim Walz.  Also, is the hardcore music scene a safe space? These queer and gender diverse fans think so.  Plus, Gen Alpha just picked up its first gold medal for Australia thanks to 14-year-old Queensland skateboarder Arisa Trew. So will sports like skateboarding, breaking, and surfing help younger people get interested in the Olympics?  Guests: Dr Brett Kagan, scientist, Cortical Labs Hunter Fujak, sports management lecturer, Deakin University