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