Greece’s debt crisis

In September 2008, the world's biggest science experiment, the Large Hadron Collider, was started up for the first time at the European Organisation For Nuclear Research, or CERN, in Geneva. Simon Watts talks to Paul Collier, a British engineer whose team built the multi-billion dollar machine designed to investigate the structure of the universe.PHOTO: Inside the Large Hadron Collider (Getty Images)

26 Syys 20199min

When the Islamic State group took over Mosul in Iraq in 2014 they flooded the internet with propaganda, claiming life under IS was fantastic. One historian living in the city decided to post a counter-narrative online. Omar Mohammed set up "Mosul Eye" to expose the atrocities and failings of IS fighters, but it was at great risk to his own safety. Omar tells Rebecca Kesby how he posted news from Mosul to the outside world from right under the noses of the Islamic State group. He says he felt it was his duty to tell the real story.(Photo: Mosul Eye website. BBC)

25 Syys 201910min

Theodor Wonja Michael was a child when Hitler came to power in Germany. The son of a German mother and a Cameroonian father he faced discrimination and danger under Nazi rule. He has been speaking to Caroline Wyatt about how working as a film actor helped him to survive World War Two.Photo: Theodor Wonja Michael at the Frankfurt Book Fair in 2013. Credit: Alamy

24 Syys 20198min

The Rodgers and Hammerstein musical was first performed on stage in New York in 1959, several years before it was made into a film. Vincent Dowd has been speaking to two people with connections to the original Broadway production. Tim Crouse is the son of Russel Crouse who wrote the book for "The Sound of Music". Lauri Peters played the eldest daughter of the von Trapp family on stage. Photo: The original Broadway cast of "The Sound of Music" in 1959. Lauri Peters is at the top of the stairs. Credit: Bettmann/Getty Images

23 Syys 20199min

Sir Anthony Blunt, a distinguished British art historian and curator of the Queen's pictures was exposed as a former Soviet spy in the autumn of 1979. He was stripped of his knighthood and publicly shamed as a traitor for being part of the Cambridge spy ring. Susan Hulme has been speaking to Christopher Morris who was the BBC reporter sent to interview Blunt when the story broke.Photo: Sir Anthony Blunt at the press conference in which he explained his motivation in 1979 (Credit: Aubrey Hart/Getty Images)

20 Syys 20198min

The first book in the Chronicles of Narnia series by the Northern Irish-born writer CS Lewis was published in autumn 1950. The Lion, the Witch and the Wardrobe would go on to become one of the great classics of children's literature. CS Lewis's stepson, Douglas Gresham, talks to Louise Hidalgo about the academic and theologian who created Narnia's magical world.Picture: CS Lewis, the children's and theological author, seated in his Cambridge study in the early 1950s (Credit: Camera Press/Arthur Strong)

19 Syys 20199min

The Black Panther Party hit the headlines in the late 1960s with their call for revolution. But they also ran a number of "survival programmes" to help their local communities - the biggest of which was a project providing free breakfasts for schoolchildren.Reverend Earl Neil was one of the organisers of the first Free Breakfast for Children programme at St Augustine's Church in Oakland, California. He speaks to Lucy Burns.(IMAGE: Shutterstock)

18 Syys 20199min

LGBT servicemen and women in the US armed forces had to keep their sexuality secret until the 'Don't ask, don't tell' policy was repealed in 2011. Lieutenant Colonel Heather Mack served under the policy for most of her military career. She has been speaking to Rachael Gillman about her experiences.Photo: Lieutenant Colonel Heather Mack (l) with her wife Ashley (r) and their two children. Courtesy of Heather Mack

17 Syys 20199min