Historian Prof Charles Zika explains the social and religious manipulations behind 15th and 16th century European images of witches and witchcraft, and how this contrasts with our contemporary visual representation of witches. With host Jennifer Cook.
Energy and climate change analyst Dr Roger Dargaville weaves together diverse technical, economic and environmental factors to produce a model for better, smarter use of our energy supplies. With science host Dr Shane Huntington.
Prof Peter Scales demystifies the process of recovering potable water from waste water, while Prof David Fox compares the cost of recycling with desalination. With Up Close science host Dr Shane Huntington.
Political scientist and Warwick Commission member Prof Ann Capling demystifies the World Trade Organization (WTO), and suggests how it might reinvigorate itself in a changing global trade environment. With podcast host Eric van Bemmel.