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Adam Rutherford explores the science that is changing our world. (R)
The latest news about food, farming and the countryside. Presented by Charlotte Smith.
Martin Hughes-Games presents the linnet. (R)
Clare Balding is in the Peaks to join a group who have been walking together for 25 years. (R)
Lionel Kelleway looks for freshwater pearl mussels. Recorded in 2006.
Wildlife sound recordist Chris Watson presents the firecrest. (R)
Laurie Taylor discusses alternative forms of housing. Also, public disrobement. (R)
Chris Packham presents the blackbird. (R)