5/5 Poet and writer Paul Farley explores why a bittern can sound like reggae.
4/5 Bird song recordist Geoff Sample explores whether birds sings symphonically.
3/5 Composer Edward Cowie shares his enthusiasm for lyre and bell birds.
2/5 Behaviour expert Professor Tim Birkhead explores how birds learn to sing.
1/5 Nature writer Richard Mabey reflects on how and why we like to sing together.
5/5 Ken Hollings on the implications of the latest information networks, such as the 'cloud'.
4/5 Writer Ken Hollings explores our relationship with inanimate objects.
3/5 Writer Ken Hollings discusses the impact of the Cold War on our information networks.
2/5 Ken Hollings on how much of our thinking about networks has been influenced by the past.
1/5 Welcome to the Labyrinth.