The latest national and international news, exploring the day's events from a global perspective.

Danny Baker endeavours to present the definitive guide to Britain's bridges in 30 minutes, armed only with a few VHS tapes and some ham-fisted research. Buckle up!

Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more

Dr Helen Czerski looks at volcanoes. New thermal imagery and ultra high-speed photography capture the complex processes crucial to understanding how and why they erupt. Show more

Professor Robert Bartlett explores the impact of the Normans on southern Europe and the Middle East, as they spread south in the 11th century. Show more

Simon explores Spain's golden age under Philip II through to the Spanish Civil War and dictatorship under Franco, from which it has emerged as a modern democratic monarchy. Show more

Lucy Worsley investigates our curious relationship with killing, exploring notorious real-life crimes from the first half of the 19th century. Show more

How Matilda almost became the first woman to be crowned queen of England in her own right, and how Eleanor of Aquitaine was more than the queen of courtly love. Show more

Victoria looks at the earliest bohemian artists in post-revolutionary Paris and explores how its subculture took root in Britain through the eccentricities of the Pre-Raphaelites. Show more

Dr Helen Czerski looks at the anatomy of an avalanche, from eyewitness footage from within one to detailed CT scans showing the microscopic changes that cause them. Show more

Dr Helen Czerski looks at volcanoes. New thermal imagery and ultra high-speed photography capture the complex processes crucial to understanding how and why they erupt. Show more

Professor Robert Bartlett explores the impact of the Normans on southern Europe and the Middle East, as they spread south in the 11th century. Show more