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

On the last leg of his journey across Scotland from west to east, Michael Portillo pays homage to the birthplace of golf at St Andrews. Show more

In her story of Britain's imported German dynasty, Lucy Worsley shows how George II had to adapt to a growing 'middling rank' no longer content with being downtrodden subjects. Show more

Descendants of rival gang leaders in 1890s Salford and descendants of the judge who tried to stop them tell their family stories. Show more

Documentary which maintains that the real pioneers of space exploration were the Soviet cosmonauts, telling the story of how the Russians led us into the space age. Show more

Alok Jha investigates how modern weather forecasting was born amid 20th-century catastrophes, as meteorologists helped fight two world wars and tried to predict natural disasters. Show more

Documentary in which gardening expert Chris Beardshaw delves into the micro-world of soil to reveal what it is, how it works and why we couldn't survive without it. Show more

Descendants of rival gang leaders in 1890s Salford and descendants of the judge who tried to stop them tell their family stories. Show more

Alok Jha investigates how modern weather forecasting was born amid 20th-century catastrophes, as meteorologists helped fight two world wars and tried to predict natural disasters. Show more