Former England Cricket captain Mike Brearley explains what makes a good team, great.
Nigeria is 50 - should Nigerians be proud of their country?
What's behind the increasing numbers of people having midlife crises?
Are you prepared to take austerity measures for the greater good of the country?
Evan Davis and guests discuss the importance of the US economy and corporate sponsorship.
Facebook comes under scrutiny with the launch of Hollywood's The Social Network
Has the issue of settlements built by Israelis now become an excuse not to seek peace?
Why are there still so few women who choose politics as a career?
Innovation or medical staff? The first of four debates on improving global health
How does the BBC know how many people are listening to the World Service?