1/3 Tristram Hunt examines the legacy of John Locke's writings on religious toleration.
BBC Radio 3
Isabel Hilton reports from Beijing on China's relationship with its minority cultures.
Petroc Trelawny visits China to find out why the country is now gripped by piano fever.
Artist Jane Wildgoose traces the history of two human skulls in her private collection.
An interview from 1998, in which American artist Robert Rauschenberg discusses his career. (R)