The Curious Cases Of Rutherford & Fry

Radio 4, 4pm

Hannah Fry

(right) and Adam

Rutherford begin a new series by applying science to adolescence, asking if it can supply answers to eternal questions such as why teens struggle to get out of bed and why they can chat away to their friends but are monosyllabic with their family.

In Ramblings (Radio 4, 3pm), Clare Balding meets Guy Kennaway and Hussein Sharif for a hike through the Eglwyseg Valley in North Wales and discovers how walking helped them to understand each other better .

Unsafe Space (Radio 4, 11pm) features stand-up from the Comedy Unleashed nights in Bethnal Green.