In the Studio: Tomás Saraceno

Argentinian artist Tomás Saraceno on his hot air balloon creation, Aerocene

• 25 mins

Bonus: Americast - Former US President Jimmy Carter has died aged 100

Justin Webb looks at Jimmy Carter's journey from peanut farmer to the White House

• 35 mins

Assignment: The human cost of developing Cambodia's Angkor wonder

Changing the temple complex of Cambodia's '8th wonder of the world'

• 26 mins

Built different: Why women athletes suffer ACL injuries more than males

Lianne Sanderson explores the science and solutions for ACL injuries in female athletes

• 22 mins

The dogs of Palermo

In Palermo, neighbourhood dogs roam freely and are embraced by locals, protected by law

• 26 mins

Heart and Soul: The plight of Hindus in Bangladesh: Part one

Sahar Zand investigates the plight of Hindus in Bangladesh

• 26 mins

BBC OS Conversations: How going viral changed my life

Megan Boni, actor Kirsty Paterson, Kelley Heyer, and Auri Kananen on going viral

• 22 mins

The Fifth Floor: Fighting crime with kitchen spoons

How a group of Nigerian women came together to protect their community from violence

• 26 mins

In the Studio: Dan Perri

How Dan Perri created title sequences for some of cinema's most famous films

• 39 mins

Assignment: South Korea - the feminist hunters

How feminists in South Korea are being hunted down, attacked and sacked

• 29 mins

BBC Trending: Were Valencia's floods engineered weather?

The conspiracy theories that swirled around Valencia's floods

• 18 mins

Child soldiers and capoeira

In the city of Goma, former child soldiers are being rehabilitated using capoeira

• 22 mins

Licence to operate a space object

The night sky holds so much power - why are we not fighting harder to protect it?

• 26 mins

Heart and Soul: The plight of Hindus in Bangladesh, part two

Sahar Zand investigates the plight of Hindus in Bangladesh

• 26 mins

BBC OS Conversations: Dealing with trauma after vehicle-ramming attacks

Survivors, relatives and counsellors share their experiences of vehicle-ramming attacks

• 23 mins

The Fifth Floor: China's empty maternity wards

How falling birth rates led to the closure of over 400 maternity wards in China

• 25 mins

Paths of return: A special homecoming to Sierra Leone

A group of African Americans are in Sierra Leone for a very special homecoming

• 52 mins

In the Studio: Madame Gandhi

Musician, artist and activist Madame Gandhi makes music from the sounds of the Arctic

• 26 mins

Assignment: The Gambia - when migrants are forced to go home

The young Gambians who had to give up on their journey to Europe

• 27 mins

BBC Trending: The chatbot bridging an aid gap

The female engineer who has created a chatbot on WhatsApp to help deliver aid in Lebanon

• 20 mins

Solutions Journalism: Prison of the mind

Dr Jenny Okolo asks if a mental-health-first approach to justice can reduce crime rates

• 22 mins

Heart and Soul: Kaddish - why we pray for the dead

Michael Goldfarb looks at the origins of Kaddish, the Jewish prayer for the dead

• 26 mins

BBC OS Conversations: Living through the Los Angeles fires

Survivors share their experiences of escaping the flames

• 23 mins

The Fifth Floor: IVF and me

BBC journalist Ana Maria Roura shares her experience of undergoing fertility treatments

• 26 mins

The Coming Storm: Inauguration

Gabriel Gatehouse follows the characters who have propelled Trump into the White House

• 26 mins

In the Studio: Michael Visocchi

Michael Visocchi’s sculpture Commensalis, celebrates the whales of Antarctica

• 26 mins

Assignment: Death marches - uncovering the truth beneath the soil

How a town in Poland – once in Germany - is discovering its troubling past

• 29 mins

BBC Trending: Passport bros

The impact that young digital nomads known as 'passport bros' are having on Medellín

• 19 mins

Israel’s Unrwa ban

Proposals to ban Unrwa have drawn condemnation and warnings of a humanitarian catastrophe

• 26 mins

Heart and Soul: Glorifying God through wine

Meet the French Benedictine monks who give glory to God by producing heavenly wine

• 26 mins