The Code is a three-part TV series about maths in the natural world, presented by Marcus du Sautoy. Why do bees make hexagonal honeycomb? Where's the best place to stand to get on a train first? How can dozens of wrong answers make a correct one? Join Marcus on an exciting journey to discover how maths shapes the world around us.
Starts on Wednesday 27th July, 9pm on BBC Two. - One day after copies will be all over the internet if you are in a place where you can't receive BBC Two.