Here's the full and uncut version of our interview with Fields Medallist Cédric Villani. We'll publish a slightly more polished version when we get the time, with more explanations, but thought you'd like the chance to listen to the whole thing.

By cleverly cross-referencing different databases it can be possible for evil adversaries to reveal intimate information about individuals. Given that it's hard these days to keep your details off these databases, what can be done to protect privacy? We talk to Cynthia Dwork from Microsoft, whose talk at the ICM showcases some mathematical tools to keep our details safe.

We're at the massive conference dinner, talking to Alex Bellos, author of best-selling popular maths book Alex's adventures in numberland, mathematician Colva Roney-Dougal,  other delegates and ourselves.

A very tired Marianne and Rachel discuss the atmosphere at the first day of the ICM when the Fields medals were awarded...

We talk to delegates of the International Conference of Women Mathematicians, taking place in Hyderabad, India, about the challenges faced by female mathematicians around the world.