Hardtalk speaks to Professor Monica Grady from the probe Rosetta's scientific team.
Zeinab Badawi speaks to former British Olympic champion Sebastian Coe.
Stephen Sackur speaks to Susan Greenfield, a leader in the study of brain diseases.
Born in the segregated US south, has Jessye Norman's success helped to tear down barriers?
Stephen Sackur speaks to the joint winners of the 2014 Nobel Peace prize.
Zeinab Badawi talks to Thuli Madonsela, South Africa's public protector.
Stephen Sackur talks to writer and academic Cornel West, a fierce critic of Barak Obama.
Is Egypt's story a harsh lesson in the dangers of wishful thinking?
Stephen Sackur talks to Sir Antony Sher, one of the finest contemporary classical actors.
Hardtalk speaks to Robert Serry, the UN Coordinator for the Middle East peace process.