Why the UK's elderly care sector is facing a financial crisis.
BBC Radio 4
1/2 Why the next big challenge to US security could come from within the country
BBC World Service
GM animals, pigs with bright green noses and glowing chickens, on your dinner table soon?
Martha Reeves uncovers the politics of the disco movement, beginning in New York.
The Dali Christ is Scotland's favourite painting. Louise Welsh finds out why.
Asia moves from saver to spender - changing the balance of global development
Professor Trevor Cox explores the world of sonic design applied to our outdoor spaces.
Does the key to curing Alzheimer's lie with a poor extended family in Medellin, Colombia?
Steve Rosenberg hears how Russians view the last 20 years since the USSR's collapse
1/3 The waterway at the heart of Istanbul where cultures and religions meet