7.1: Childless cat ladies with Kat Brown

We're kicking off the seventh series by examining the problem of childless cat ladies: who, exactly, were JD Vance's comments aimed at? Not us, apparently - and yet we have taken great offence anyway. We're joined by Kat Brown, a self-confessed childless cat lady, to discuss what it all means.

Meanwhile, Professor Tim is looking at probiotics - can they help implantation?

Swears throughout.