Insight, analysis and expert debate as key policy makers are challenged on the latest news stories.
http://www.bbc.co.uk/programmes/p02nrtvg
How will humans evolve?
Historian and author of the international bestseller Sapiens: A Brief History of Humankind, Yuval Noah Harari speaks about the future of humanity. "We are probably one of the last generations of Homo sapiens," he tells presenter John Humphrys. (Image: Evolution. Credit: Cognitive)