Women in science and engineering: The Power List

In the last decade there has been a concerted effort to direct girls into studying STEM – that is science, technology, engineering and maths subjects. But who are the female role models wielding real power at the cutting edge of what is often assumed to be a male dominated area of endeavour? Jenni Murray is joined by Muffy Calder, Professor of Computer Science at the University of Glasgow and Chief Scientific Officer for Scotland.