Geneticist Alison Wollard explains her enthusiasm for a tiny nematode worm.
Jim Al-Khalili talks cloning with the creator of Dolly the sheep, Ian Wilmut.
Jim meets Paul Nurse, Nobel prize-winning geneticist and President of the Royal Society.
Bridget Kendall and guests explore how cells, molecules and robots achieve complexity.
Peter Evans investigates the current state of stem cell research.
Sue Broom catches up on progress in stem cell research.
Melvyn Bragg and his guests discuss the biology and origins of the cell.
Lesley Curwen investigates the hope, hype and potential harm of stem cell treatments
Prof Jim al-Khalili talks to Nobel Prize-winning molecular biologist Sir Tim Hunt.