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

Michael Portillo embarks on a series of journeys through London. He takes the high-speed line to Stratford to explore the legacy of the Olympic Park. Show more

In her story of Britain's imported German dynasty, Lucy Worsley shows how Britain's new ruling family fought the French, the Jacobites and each other, all at the same time. Show more

How postwar Britain went from a place where eating out was more of a chore than a pleasure to a nation of food adventurers, thanks to generations of migrants opening eateries. Show more

The true story of two Victorian mothers, Lavinia and Florence, from opposite ends of the social scale - brought together by domestic violence. Show more

Alok Jha charts the history of weather forecasting. He tells the story of how meteorology became one of the most important scientific endeavours of the modern age. Show more

The story of the most elegant and powerful theory in science, Albert Einstein's general relativity. It takes us inside the head of Einstein to witness how his idea evolved. Show more

Wildlife documentary. In the forests of northern Minnesota, biologist Lynn Rogers gains the trust of wild black bears and studies their lives. Show more

The true story of two Victorian mothers, Lavinia and Florence, from opposite ends of the social scale - brought together by domestic violence. Show more

Alok Jha charts the history of weather forecasting. He tells the story of how meteorology became one of the most important scientific endeavours of the modern age. Show more