Lionel Kelleway visits a valley in Exmoor National Park in search of a rare butterfly.
Helen Mark visits rural Kirksanton, a possible site for a new nuclear power station.
The fastest man alive, algae blooms, naming stars and moving stem cells with magnets.
Does inequality lead to religion? Laurie Taylor explores the lastest research.
Richard Daniel and his team discuss listeners' questions about the natural world.
1/9 Brett Westwood encounters the large blue butterfly on the Somerset Downs.
Claudia Hammond revisits Langer and Rodin's 1976 Arden House study.
2/5 Peter Curran meets zoologists and spends time at the Institute of Zoology at London Zoo.
Lionel Kelleway heads to Dartmoor to get close to a juvenile cuckoo and its foster parents
Matt Baker reports on the dispute going on between anglers and canoeists on Welsh rivers.
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