Allan Urry investigates UK connections to the illegal weapons trade in conflict zones.
BBC Radio 4
15/40 Jeremy Bristow visits Jane Goodall in Gombe, Tanzania, to see her chimpanzee study group.
1/5 Art historian John Gash reflects on the life and work of Milanese painter Caravaggio.
BBC Radio 3
Robert Elms celebrates London, the city he loves, with a journey on the number 36 bus.
Razia Iqbal investigates the power of modern images.
BBC World Service
One Planet's in the Arctic to examine micro-life, polar bears and the fight for resources
3/3 Jide Macaulay on what it has meant for him to be Nigerian, Christian and gay.
Life after a deadly rockslide in one of Cairo's biggest slums, Manshiyet Nasser.
1/2 Paul Gambaccini looks at two songs that have crossed boundaries - 'Stand By Me', and 'W...
Exploring the psychological and social importance of play.