A radio that analyses its surroundings, then adjusts how the audio is played
BBC World Service
Feeding flies to livestock - Sybil Ruscoe looks at putting insect protein in animal feed.
BBC Radio 4
David Attenborough presents the sounds and story of the storm petrel.
21/30 The discovery of radio waves in space, and how it led to the discovery of the pulsar.
BBC Radio 4 Extra
Laurie Taylor discusses life in the modern male prison. Also, jellied eels and 'disgust'.
Thursday 30 May 2013