2/2 Rebecca Morelle reports on scientists' discoveries in the deepest parts of the oceans.
BBC World Service
Meet the Kenyan woman who has opened her home to 49 orphaned children.
1/2 Japan's rebuilding - spiritual as well as physical - one year after the tsunami.
Mike Williams talks to Sir David Attenborough about his life and work in the natural world
One of Rio de Janeiro's biggest urban slums is being 'pacified'. But can it work longterm?
4/8 How the monarchy expresses power with displays of wealth and status.
BBC Radio 4
Ruth Padel on our feelings towards the snake through biology, history and literature.
BBC Radio 3
25/30 Clare Balding takes a look at Britain's most successful export ever - football.
Lucy Mangan explores our obsession with pens, paper and the paraphernalia of office life.
Ruth Padel explores our feelings towards squirrels in biology, history and literature.