What does climate change have in store for the future? What will it mean for the man, or woman, in the street? How will it hit the global economy, and what can businesses do to fight back? This week, we hear the perspectives of a climate specialist, an economist, a psychologist and a technologist as we ask, "what are the costs of climate change?" Plus, in the news, the emerging ebola crisis, tastier beers coming on tap thanks to fruit flies, and a breakthrough in prosthetic arm technology...