Lucy Duran travels to Poland to explore the folk music of Chopin's homeland.
BBC Radio 3
Discover the world online in Afghanistan and meet the country's community of bloggers.
BBC World Service
Jackie Long finds out what is being done to help young abusers stop offending.
BBC Radio 4
3/4 The Cost of Free - how business has colonised the web.
Mike admires tigers, learns about tuna and we hear from the man who hunts illegal hunters.
Rabbi Naftali Brawer explores the Jewish prayer for the dead
Rory Cellan-Jones explores the future of the world wide web and the science behind it.
Russian hackers have a fearsome reputation, but what makes them so good?
The story of how an internet cafe changed a young Sydneysider's career steers Nick Bake...
The tale of an unexpected encounter between 20th-century legends - in a Miami gym in 1964.