Secret universe. The hidden life of the cell.

This programme, narrated by David Tennant, uses computer generated imagery (CGI) to communicate the latest understanding of what happens inside our cells. There is an epic struggle between our cells and viruses, which is only more recently being understood. A cell is shown being attacked and then destroyed by an adenovirus. Professor Bonnie L Bassler of Princeton University, Dr Nick Lane and Professor Steve Jones of University College London and Cambridge University's Susanna Bidgood contribute.