Is the fighting in Yemen a sectarian conflict or a regional proxy war?
BBC World Service
4/6 Examining the extreme landscapes in northern China, where life is always on the edge. (R)
Dr Saleyha Ahsan cuts through the confusion and reveals the surprising science of fat. (R)
A look at the new tech on board London's Air Ambulance. (R)
BBC News Channel
Adam Walton explores the science of addiction and self-control. (R)
BBC Radio Wales
Chris Packham relives a Living World programme from 1996 about the secretive polecat.
BBC Radio 4
Rachael Garside looks at the recent grass fires and the implications for wildlife.
Kate Humble presents the capercaillie. (R)
BBC Somerset's weekly look at rural news, countryside issues, wildlife and local events.
Malaria resistant to artemisinin drug found in Kenya.
Answering questions from everyday chemistry to quantum physics.
BBC Radio Cambridgeshire
John Craven meets a wheelchair user who aims to make the countryside more accessible.
5/8 Tim Flannery stands where James Cook finally claimed Australia for Great Britain.
2/3 A look at the Indonesian village of Lamalera, which is notorious for its whale hunting.
Why do people try and project human qualities onto animals?
The winner of the 2015 BBC/BSA Ethnography Award. (R)
Ellie Harrison, John Craven and Anita Rani explore Britain's woodlands. (R)
City women who moved to the wilds of Borneo and Uganda to rescue and research great apes