Boris resigns, The Marshmallow Test and Life on Moons and Mars?

It's an eventful week for the show as Boris Johnson resigns while we're live on air.

We also manage to concentrate on the science news and it's a packed show in which we discover a whole lot including that neckties decrease blood flow to your brain by 7.5%. Bad news for David Cameron who once famously (and apparently stupidly) asked Jeremy Corbyn to do up his tie.