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

The team investigates the ongoing hunt for life on Mars. It is one of the great scientific questions of our time, but are we any closer to finding an answer? 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

Quiz where players not only have to know the answer, they must find it in a hive of letters. Ortographobes take on Prime, in the first semi-final.

In recent years, Bob and Roberta Smith had begun to lose faith in protest but suddenly it's all the rage. Bob sets out to discover what's getting everyone so angry. Show more

Film-makers and scientists venture into Burma's jungles for the first time in 50 years. The team searches for the sun bear, the Asian golden cat and the clouded leopard. Show more

Alice Roberts investigates how humans may have reached North and South America, looking at routes across the Canadian ice sheet and from Australia across the Pacific. Show more

Series exploring topical scientific issues. Dr Michael Mosley and Professor Alice Roberts investigate whether male and female brains really are wired differently. Show more

Helen Castor examines how the transformation of the rights and role of women that have taken place in Great Britain over the last 100 years has been documented on television. Show more

Film about Thomas More's daughter Margaret, showing her revolutionary intellectual spirit and how the ideas that shaped her education changed the cultural life of England forever. Show more

In recent years, Bob and Roberta Smith had begun to lose faith in protest but suddenly it's all the rage. Bob sets out to discover what's getting everyone so angry. Show more