Dr Stephen Cameron (Department of Computer Science) explains why thousands of people from across the world are busy trying to teach robots to play football.

Light illuminates and gives life. It also reveals, enlightens, and brings understanding. Jonathan Wood shows us the inspiration and fascination to be found in the use of light, from Harry Potter's invisible cloak to killing cancer cells.

Why did Beckham chose the 23 shirt? What makes prime numbers special? Marcus duSautoy sheds light on the so-called 'masculine' numbers, explains why prime numbers will help you survive, and opens our eyes to the fascinating world of mathematics.