Horatio Clare explores the landscapes - real and imagined - of horror writer Arthur Machen
BBC Radio 4
How the publication of Philosophical Investigations in 1953 revolutionised philosophy
BBC World Service
2/2 Richard and guests consider the natural and cultural history of the elm, beech and holly.
The mission to save thousands of African penguins from an oil spill in July, 2000
With attention on A&E, is there a bigger problem in the way hospitals are funded?
How religion supports us at the end of life - and the rituals that surround us.
Monty Don explores the link between the loss of wildlife abundance and human activity.
2/6 Brian Cox and Robin Ince transport their own take on quantum physics to Glastonbury.
Peter Curran on Northern Ireland's burgeoning film industry.
It is 150 years since the Battle of Gettysburg, a turning point in the American Civil War