Nadene Ghouri investigates how meat from the offspring of a cloned cow was eaten in the UK
Cloning expert Prof Stephen Minger discusses human-animal embryos.
Comedian Ed Byrne joins Robin and Brian to talk about science's quest to create life.
Sue MacGregor reunites the creators of Dolly the cloned sheep.
As the rules on human embryo research are debated, Matthew Hill looks back at their origin
Matthew Hill asks if the 14-day limit on research on human embryos should be extended.
Jim Al-Khalili talks cloning with the creator of Dolly the sheep, Ian Wilmut.
2012 Nobel Prize winner John Gurdon on cloning a frog decades before Dolly the Sheep.
Sue Broom catches up on progress in stem cell research.
Peter Evans investigates the current state of stem cell research.
Clive Anderson discusses the new Human Fertilisation and Embryology Act.