Katty Kay in Washington and Christian Fraser in London return to report on the events that are shaping the world.

Simon Bates and Richard Skinner present the pop chart programme, first shown 4 July 1985. Featuring Tears for Fears, Simply Red, Dead or Alive, Fine Young Cannibals and The Damned. Show more

Documentary exploring the inner world of the human cellular structure via the narrative of a viral infection from within the world of a single cell. Show more

Hannah Fry leads a nationwide experiment to help plan for the next deadly flu pandemic, which could happen at any time. How many will it kill? What can we do about it? Show more

Can new treatments save us from the antibiotic resistance crisis? Michael Mosley carries out an extraordinary experiment. Show more

Sam Willis looks at urban crime, fraud and corruption in the 18th century, uncovering a fascinating rogues' gallery of charmers, fraudsters and villains. Show more

Simon Bates and Richard Skinner present the pop chart programme, first shown 4 July 1985. Featuring Tears for Fears, Simply Red, Dead or Alive, Fine Young Cannibals and The Damned. Show more

Dr Jago Cooper reassesses the achievements of the Inca Empire. He begins in Peru, where new evidence challenges preconceptions about its origins and significance. Show more

Dr Jago Cooper travels from Peru to the far north of Inca territory in Ecuador to reveal how the great strengths of the empire became factors in its rapid demise. Show more

Sam Willis looks at urban crime, fraud and corruption in the 18th century, uncovering a fascinating rogues' gallery of charmers, fraudsters and villains. Show more

More musical morsels bound to get the memories going - Hot Love, Roll Away the Stone, Jealous Mind and Devil Gate Drive. Show more

Vintage rock, pop and soul performances from the BBC archives. The Faces perform Stay with Me in 1972.