Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.

Steve Backshall explores the connections and relationship that we have with insects and other arthropods, from driver ants in Kenya to silkworm caterpillars in China. Show more

Series looking at the history of British 20th-century farming charts the changes in the way fruit and veg was grown, picked and sold, and the impact of supermarkets. Show more

Dr Janina Ramirez and Alastair Sooke discover St Petersburg through its art and architecture, looking to see how art has been used to enhance its power and prestige. Show more

A Storyville documentary: part two looks at divided LA - the privileged white world that OJ inhabited and the one where millions of other black people lived a different reality. Show more

Lucy Worsley looks at some remarkable women of the Restoration period, including actress Nell Gwyn, writer Aphra Behn and soldier Christian Davies. Show more

Timothy Walker looks at how pioneer botanists unlocked the patterns found in different types of plants and opened the door to a new branch of science - plant genetics. Show more

Mark Evans tells the surprising story of the hidden powerhouse behind the globalised world, the diesel engine, a 19th-century invention that has become indispensable to the 21st. Show more

Dr Janina Ramirez and Alastair Sooke discover St Petersburg through its art and architecture, looking to see how art has been used to enhance its power and prestige. Show more