How Vietnam War experience shaped the view of Secretary of Defense nominee Chuck Hagel
Reconstructing the faces of women disfigured by acid attacks in Pakistan
Mike Williams peers into the world of black and asks why it has so many different meanings
Reporting tragedy and celebration - a journalist reflects on a week of extremes in Brazil
William Crawley tells the story of the Catholic priest behind the Big Bang Theory.
What has happened to the Middle East media since the start of the Arab Spring?
Are we too dependent on metals and minerals that are increasingly hard to get hold of?
Why improvising comes naturally to all of us.
Electrical charges in the human body - what are the implications for disease and cures?
Talk back to the BBC and challenge the programme makers.
Sunday 10 February 2013