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

With performances from The Piranhas, Diana Ross, Hot Chocolate, Kelly Marie, The Gap Band, The Gibson Brothers, Bad Manners, Abba, Odyssey, Olivia Newton John and Don McLean. Show more

How the landscapes of America's three great mountain ranges - the Appalachians, the Rockies and the Sierra Nevada - challenged the westward push of the early pioneers. Show more

Gabriel Weston looks at cases that were solved by examining the smallest traces of forensic evidence, and investigates the cutting-edge techniques being used today. Show more

The team exhume the first victim to find clues with new DNA techniques. When Boyd thinks he is getting closer, he finds he is facing one smokescreen after another. Show more

Tracking our hands, feet, colour vision, spine and upright gait to our primate and hominid progenitors, who also passed on the legacy of a path to the human brain. Show more

With performances from The Piranhas, Diana Ross, Hot Chocolate, Kelly Marie, The Gap Band, The Gibson Brothers, Bad Manners, Abba, Odyssey, Olivia Newton John and Don McLean. Show more

How the landscapes of America's three great mountain ranges - the Appalachians, the Rockies and the Sierra Nevada - challenged the westward push of the early pioneers. Show more

Professor Jim Al-Khalili tells the story of how we went from thinking we were close to a complete understanding of the universe to realising we had seen almost none of it. Show more

Gabriel Weston looks at cases that were solved by examining the smallest traces of forensic evidence, and investigates the cutting-edge techniques being used today. Show more