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