Human skulls are paraded in a celebration fusing indigenous and Catholic beliefs
BBC World Service
How British Somalis are recruited to fight for the banned Islamist group, al-Shabaab.
BBC Radio 4
Gerry Northam investigates claims that biofuels, rather than helping the world, may be ...
Has the Tea Party movement marginalised America's Religious Right?
1/2 Reporting on the greatest wild salmon run on earth
Polly Evans travels to Guantanamo to talk to Cubans about living next to the prison
Ed Butler charts the depths of Irish anger as they face up to their financial crisis.
26/40 In this week's programme, deer, conservation in the UK and biodiversity world-wide.
Michael Robinson reveals loopholes which let big businesses slash their UK tax bills.
Can bio fuels provide a viable alternative energy source?