The One Show S2012E17 - 31/01/2012

If it has Britain talking then it will be talked about on the One Show. Matt Baker and Alex Jones present the stories that matter from across the country. They are joined by actor Simon Callow, who talks about all things Dickens.

Lucy Siegle discovers why over 25 years on British sheep are still being checked for radiation from Chernobyl.

And Miranda Krestovnikoff looks at a project to save the UK's native crayfish from a foreign invad.