What’s Happening to IS Fighters Now?

From courtrooms and prisons to rehab centres and martial arts training

• 23 mins

Have We Always Felt This Tired?

The past, present and possible future story of human sleep.

• 23 mins

Is Plastic Doomed?

The tide of public opinion is turning on plastic

• 23 mins

How Do Dictators Survive So Long?

What’s in the dictators’ survival guide?

• 23 mins

How Did China Ban Ivory?

The story of how China ended its love affair with white gold.

• 23 mins

Are Nerve Agents Out of Control?

Banned over 20 years ago, how do we explain recent attacks?

• 23 mins

What’s Killing Black American Babies?

Black infants are twice as likely to die in their first year as white infants.

• 23 mins

What’s the Real Difference Between the Sexes?

What is there to learn about men and women from people who’ve lived as both?

• 23 mins

Trump and Kim: Can They Close the Deal?

Top tips from peacemakers who have brokered some of the world’s most unlikely pacts

• 23 mins

What Makes a Revolution Successful?

The factors that need to come together for a successful revolution in the modern world

• 23 mins

Is North Korea Broke?

This isolated economy is showing signs of life that might surprise you.

• 23 mins

Can Computers Predict Crimes That Haven’t Happened Yet?

The ethics of big data in crime forecasting

• 23 mins

Is Raqqa Recovering After Islamic State?

A look inside the city which was once Islamic State’s headquarters.

• 23 mins

Trump and Kim: Can they close the deal?

Top tips from peacemakers who have brokered some of the world’s most unlikely pacts

• 26 mins

How Do You Make People Have Babies?

How governments are encouraging people to have more children to offset deaths

• 23 mins

Can You Train People To Be Less Prejudiced?

Businesses spend millions on anti-bias training – but does it work?

• 23 mins

Are We Heading for a Trade War?

The high-stakes showdown between the US and China on trade.

• 23 mins

Can We Eat Our Way Out Of Climate Change?

Changing what we eat could be one of the fastest ways to slow down climate change

• 23 mins

Can We Ever Understand Animals?

Humans spend hours studying our fellow animals. But will we ever truly understand them?

• 23 mins

What does Iran think of the West?

Exploring why many Iranians are suspicious of the motives of the outside world

• 23 mins

Is Africa’s Longest War Really Over?

Ethiopia and Eritrea have just signed a peace deal ending two decades of war.

• 23 mins

Is WhatsApp Fuelling Vigilantism?

What is it about this simple messaging platform that fuels emotions and spreads fear?

• 23 mins

Can We Control 3D Printing?

Does the 3D printing revolution mean that people anywhere can print anything they want?

• 23 mins

Could We See Another Aids Pandemic?

Are we losing the battle against Aids?

• 23 mins

Who’s in the Driving Seat of the US – Saudi Relationship?

The forces steering the alliance between the US and Saudi Arabia

• 23 mins

How Do You Run A Hacking Operation?

We reveal the secrets of some of the world’s most advanced and secretive cyber-powers.

• 23 mins

Is Women’s Sport In Trouble?

Who gets to compete as a woman?

• 23 mins

The Inquiry Junior - What’s Killing Africa’s Elephants?

Poachers, jewellery makers and angry farmers: the story behind the decline of elephants

• 23 mins

The Inquiry Junior - Why are North and South Korea divided?

The story of how a line on a map becomes a hard state border that no one can cross.

• 23 mins

Is Genetic Testing Overrated?

DNA testing is big business - but could the results be harmful?

• 23 mins