Natalia Antelava charts the downfall of Gulnara Karimova, the daughter of the Uzbek president. She hears an inside account of the family feud from Gulnara’s son, Islam Karimov Jr.

In August 2013 the Assad regime in Syria was accused of deploying chemical weapons against its own civilian population. President Obama – who had described the use of chemical weapons as a “red line” – was planning airstrikes against the Syrian government. In Britain, Prime Minister David Cameron was determined to stand with him - but first he had to win Parliament’s approval.

Allan Little returns to Sarajevo to explore the role of the arts in restoring the city's identity, 20 years after the siege which saw its cultural life flourish against the odds. How are the citizens of Sarajevo fulfilling that basic human need for art in a transformed cultural landscape?

Hidden away in the backrooms at Humbolt University and the Ethnological Museum in Berlin are some of the most remarkable sound recordings ever made. They date back to World War One and capture the voices of some of the ordinary men who fought in ‘the war to end all wars’. What happened to these men and how did they die?

Ali Hamedani has been to Turkey to meet the Iranian lesbian and gay people who’ve fled home after facing pressure to change their gender.

When the Indian Prime Minister Indira Gandhi was assassinated in 1984 by her two Sikh bodyguards, riots erupted across the city to avenge the killing. Bobby Friction went into hiding with his family to escape the mobs. He returns with professor Swaran Singh, 30 years on, to talk to the children caught up in the riots.

Can the world come together to beat diseases with pandemic potential?

We've spoken to four expert witnesses, including a doctor who helped to eradicate one of the world's oldest diseases and a man who discovered one of the world's newest ones.

Mustafa Nayyem is one of Ukraine's leading investigative reporters, who has controversially decided to leave journalism and enter the political arena. Andriy Kravets from the BBC’s Ukrainian Service travelled back to his homeland ahead of the recent parliamentary elections to find out more about Mustafa. How did an immigrant boy from Afghanistan manage to make his mark in Ukrainian society? And has this leading anti-corruption campaigner sold his audience short - or is this an attempt to kick-start much-need changes in Ukrainian political life?

Kavita Puri goes to Switzerland to hear the extraordinary stories of survivors who lived as indentured child labourers.

Linard Davies is a baggage attendant at San Francisco airport. He deals with the packages that the airlines won't touch. Clown shoes, 10ft carved wooden doors, fresh moose antlers are just some of the strangest artefacts he has dealt with.