In this episode we join the scientific search for extra-terrestrial life. We also find out how the Royal Society has a historical connection with the Tower of London and Professor Paul Berkman of the Scott Polar Research Institute, answers ‘Why Science?’

In this episode we find out about the role of science in diplomacy. We also find out how the Society helps scientist experiment with Parliament and Professor Mohamed Hassan, President of the African Academies of Science answers the question Why Science?

In this shorter than usual episode we hear from Professor Helga Nowotny on the economic, social, political and cultural value of science. We also look again at the Royal Society’s report on Geoengineering. Professor Nowotny answers the question Why Science?

In this episode we find out how science can help deal with the global food crisis, what fossils tell us about the evolution of humans in Britain and whether or not specially designed prosthetic limbs can offer an advantage to athletes. Professor John Pickett, Director of the Rothamsted Research Institute's new Centre for Sustainable Pest and Disease Management, answers the question: Why Science?