Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.
Mike Read and Janice Long present the pop chart programme, first broadcast on 23 February 1984 and featuring Hot Chocolate, Rockwell, Marilyn, Nik Kershaw, Carmel and Howard Jones.
Castles: Britain's Fortified History
Episode 2: Kingdom of Conquest
58 minutes on BBC Four HD
Available for 26 days
Sam Willis tells the story of the English ruler who left the most indelible mark on the castle, Edward I, as he turned it into an instrument of colonisation. Show more
Horizon investigates unusual space signals, including the Lorimer Burst, and has exclusive access to researchers at the Green Bank Telescope searching for signals from Tabby's Star. Show more
Professor Martin Rees, the astronomer royal, searches for extra-terrestrials in a film that gets inside the minds of the scientists considering whether we're alone in the universe. Show more
Michael Mosley lays bare the mysteries of the digestive system and reveals a complexity and intelligence in the human gut that science is only just beginning to uncover. Show more
Mike Read and Janice Long present the pop chart programme, first broadcast on 23 February 1984 and featuring Hot Chocolate, Rockwell, Marilyn, Nik Kershaw, Carmel and Howard Jones.
Lauren Laverne hosts an all-star discussion from London's iconic 100 Club, asking if rock 'n' roll is in crisis and what it now means in the 21st century. Show more
Castles: Britain's Fortified History
Episode 2: Kingdom of Conquest
58 minutes on BBC Four HD
Available for 26 days
Sam Willis tells the story of the English ruler who left the most indelible mark on the castle, Edward I, as he turned it into an instrument of colonisation. Show more
Horizon investigates unusual space signals, including the Lorimer Burst, and has exclusive access to researchers at the Green Bank Telescope searching for signals from Tabby's Star. Show more