6/13 Steve Backshall unravels the secrets that lie covered in ice for most of each year. (R)
12/13 Film narrated by David Attenborough, looking at the secretive sloth bear. (R)
Countryfile pays a visit to Grizedale Forest in the heart of the Lake District. (R)
BBC One except Wales
Matt McGrath investigates how cheating will be caught in the Paralympic Games.
BBC World Service
Caz Graham investigates how the badger TB vaccinations in Wales are progressing.
BBC Radio 4
11/23 Alice Roberts visits a plant that supplies a fifth of Britain's gas requirements. (R)
Chris Packham presents a guide to the UK's wildlife hotspots. (R)
5/5 Alison Steadman tells the story of how and why the starling is hated in North America.
BBC Radio 4 FM only
Simon Barnes on the sounds of the Suffolk coast, which inspired Britten's Peter Grimes.
BBC Radio 3
The Springwatch team celebrate and reveal the remarkable nature of seabirds.
Featuring a new hybrid engine, a virtual car showroom and small business and technology.
BBC News Channel
A guide to all the latest gadgets, websites and games plus computer industry news.
Saturday 25 August 2012