Are smart cities dumb?

A bright new future of clean power and easy living, or a science fiction nightmare?

• 23 mins

Will populism destroy the European Union?

The EU faces what’s described as an existential crisis as support for populism grows.

• 23 mins

What is the Wagner Group?

This group of fighters-for-hire has been active around the world. What’s going on?

• 23 mins

How is space changing Earth?

What motivates the global space race - power, prestige or social progress?

• 23 mins

Why has the Kashmir crisis lasted so long?

For 70 years India and Pakistan have fought over Kashmir. What has fuelled the violence?

• 23 mins

How scared should we be?

The news today can be pretty terrifying, but how scared should we really be?

• 23 mins

How can we feed 11 billion people?

The challenge to produce enough food to feed our growing population

• 23 mins

Can you make gangs good?

Ecuador legalised some of its gangs in 2007, but did it work?

• 23 mins

What’s next for Sudan?

President Omar al-Bashir was deposed on 11th April, but protesters still line the streets

• 23 mins

How did K-Pop conquer the world?

Some of the world’s most successful bands are singing in Korean.

• 25 mins

How do you move a capital city?

Indonesia has announced it is thinking of building a new capital city. Can it be done?

• 23 mins

Is the US heading for war with Iran?

Tensions are escalating between the two countries, but will it lead to war?

• 23 mins

Is time travel possible?

What does science tell us about the possibility of travelling in time?

• 23 mins

Why is it always Alabama?

Why is Alabama always getting picked on in America?

• 23 mins

Can vaccines stop Ebola in the DRC?

Can vaccines stop Ebola in the DRC or will it take more than medical intervention?

• 23 mins

Can a government make you happy?

Should governments look beyond GDP and make our wellbeing their priority?

• 23 mins

Is the deep ocean the answer to some of our biggest problems?

Humanity has many problems. Does the solution to some lie deep beneath our oceans' waves?

• 23 mins

How can Chennai’s water crisis be solved?

South India’s biggest city is gripped by drought, residents have to queue for water.

• 23 mins

What kind of Prime Minister would Boris Johnson make?

Examining the character, beliefs and ambition of Britain’s most recognisable politician

• 24 mins

Will China crack down on Hong Kong?

Last month Hong Kong witnessed its largest ever protests. How will China respond?

• 22 mins

Can you reduce Central American migration?

More and more families from Guatemala, Honduras and El Salvador are travelling to the US

• 24 mins

Do children in two-parent families do better?

We investigate the research into growing up with married, cohabiting and single parents.

• 24 mins

Is Germany OK?

It’s known for precision and punctuality but Europe’s engine is slowing down.

• 22 mins

Why are we having less sex?

Porn, smart phones and the ‘slutty transmitter’

• 23 mins

Why does Donald Trump seem to have such a problem with the truth?

Examining some of the many false or misleading claims made by the US President

• 22 mins

Why the race to build a quantum computer?

Corporations are spending billions to turn quantum computers into workable technology.

• 23 mins

Is rock music doomed?

Bruce Springsteen is turning 70; rock’s gods are getting on. Who can replace them?

• 23 mins

How can we save our forests?

This summer fires in the Amazon rainforest caught the world's attention.

• 24 mins

Is Africa facing another debt crisis?

A risky mix of easy credit and easy spending

• 24 mins

Are we heading for a global recession?

Trade wars and Europe’s slowing growth. Is an economic downturn inevitable?

• 22 mins