Astrophysicist Lisa Harvey-Smith on how Andromeda is due to collide with our galaxy in five billion years time (R)

How Irving Finkel stumbled upon the true story of the Ark before Noah on a Babylonian clay tablet

Timothy’s stellar screen career, including roles in ‘Mr Turner’, ‘Secrets and Lies’, the Harry Potter films, and his latest, ‘Mrs Lowry & Son’, was almost cut short by a life-threatening illness 

Irish comic Dylan Moran on his unusual childhood, the story behind Black Books, and why he's given up drinking for good

After Hakeem was imprisoned while on his honeymoon in Thailand, Craig fought the power of two monarchies, a military junta, and the world's largest sporting institution to free him

Nepalese surgeon Dr Sanduk Ruit on his work in the villages of Nepal which has restored the sight of more than 150 000 people (R)

An anaesthetist and cave diver, Richard had the exact combination of skills needed to help save the lives of a Thai soccer team trapped deep underwater

Australia's storyteller in song on poems he's loved since childhood, and how reading and learning great poetry has changed his song writing

How a young computer scientist found his way out of a traumatic childhood