Documentary on Comet ISON, which was hoped to be the most spectacular comet in many years. (R)
BBC Two Northern Ireland only
Charlotte Smith on why nearly half the government's animal health laboratories will close.
BBC Radio 4 FM only
Chris Packham presents the fieldfare.
Tales of smuggling, a nuclear power station and medieval churches on Romney Marsh.
BBC Radio 4
The global march of valley-girl 'uptalk' - now men too are upwardly inflecting.
3/6 A toirt sùil air an ceangal a th' aig dha sgiobair aiseig ris a mhuir. Two ferry captains. (R)
In the Canary Islands the team try to follow the path of Comet C/2012 S1 ISON.
Helen Mark and Michael McNamee journey along more of Northern Ireland's waterways. (R)
BBC Radio Ulster
1/3 Exploring the largest animals that have ever lived on our planet- the great whales. (R)
1/4 We see the work of the fire crews on Bonfire Night, and hospital midwives face a baby boom
Human DNA from 400,000 years ago is recovered from ancient remains
BBC World Service
The global march of valley-girl 'uptalk' - now men too are upwardly inflecting. (R)
Professor Dave Cliff tells the story of the quest for certainty and sound reasoning. (R)
2/15 How a new generation of super-telescopes are helping astronomers explore the universe. (R)
In the Canary Islands the team try to follow the path of Comet C/2012 S1 ISON. (R)
Friday 6 December 2013