Comedian and writer David Baddiel on writing for children and whether death and dementia make good subjects for comedy.

Olympic diver Chris Mears won gold in Rio in spectacular style. He reveals how a brush with death inspired his success and his sideline as a music producer.

On the centenary of Roald Dahl's birth, Dr Tom Solomon discusses how the writer's fascination with medicine inspired many of his characters such as the BFG. As a junior doctor, Tom shared many late night conversations with the writer and gained a unique perspective on the celebrated author.

Palaeobiologist Dr Tori Herridge tells us about mysterious asteroid craters in Britain and her search for fossil dwarf elephants. Plus the Inheritance Tracks of former Chelsea manager and Dutch international Rudd Gullit.

Producer: Steven Williams

Editor: Karen Dalziel.