Assignment tells the story of the world's biggest money laundering scam.
BBC World Service
1/3 Paul Jackson assesses Pop Idol, the show that rewrote the talent show rule book.
BBC Radio 4
5/5 By Patricia Reynolds. Dental student Joe embarks on a virtual journey into the mouth.
4/5 Martin Palmer reflects on the role of caves in religious stories and traditions.
3/5 Alan Read presents a philosophical reflection on reality and theatre.
2/2 Is it time for China to turn towards a more Western form of capitalism?
Why are more schools failing their Ofsted inspections? Fran Abrams investigates.
2/5 Wildlife sound recordist Chris Watson recalls two very different cave experiences.
Can animals be gay? Hermione Cockburn investigates the biologists who say they can.
1/3 Ali Ansari takes listeners on a Persian grand tour from 3000 BC to the present.