Joe's out ... so now is it all up to Kamala Harris? We look at whether the memes, edits and celeb endorsements will help or hurt her chances in the race to be president.

Plus, should tradies be worried about new research on their exposure to potentially cancer-causing fumes?

And we unpack why we're seeing a boom in some niche sports, while others are fading away.

Guests:

• Jessica Siles, advocate with Voters for Tomorrow
• Dr Renee Carey, Curtin University researcher
• Rochelle Eime, professor of sports science at Federation University