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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鈥檚 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鈥檚 slowing growth. Is an economic downturn inevitable?

• 22 mins

Can we dismiss QAnon?

The far right conspiracy theory featuring child molestors and baby eaters.

• 23 mins

Is vaping safe?

After deaths in the US and bans around the world, how risky are e-cigarettes?

• 23 mins

Why are the Kurds always in the firing line?

Kurdish people have been caught up in dozens of conflicts. Why can鈥檛 they find peace?

• 24 mins

How soon can we go carbon zero?

To stop global warming, we need to cut CO2 emissions. So how soon can we go carbon zero?

• 23 mins

Why are immigrants under attack in South Africa?

In the so-called 鈥渞ainbow nation鈥�, why are foreigners so often subject to violence?

• 24 mins

What can we do about the world鈥檚 mental health problem?

The World鈥檚 mental health is suffering so what can we do about it?

• 23 mins

Why is there a backlash against climate policies?

A year on from the 鈥済ilets jaunes鈥� protests, are environmental policies in trouble?

• 24 mins

Can we protect our elections from social media manipulators?

Who can you trust in the world behind the screen?

• 23 mins

Should we ban billionaires?

Should extreme wealth and the system that enables billionaires to retain money be curbed?

• 23 mins

Is Nato obsolete?

With the US and French presidents questioning its future, Nato is in crisis

• 23 mins

Can we eradicate polio?

Despite heroic efforts to vaccinate against this crippling disease, why does it persist?

• 23 mins

Will humans become extinct by the end of the century?

How precarious is our civilisation and what can be done to stop a global catastrophe?

• 23 mins

Why was Qasem Soleimani killed?

How serious an enemy to the US was Qasem Soleimani, and why was he killed?

• 22 mins

Why does Ukraine have such a corruption problem?

How did Ukraine鈥檚 chequered past lead to the impeachment of president Trump?

• 24 mins

How did Trump get into trouble with Ukraine?

How did Trump鈥檚 personality and way of dealing with people lead to a trial in the Senate?

• 23 mins

Is recycling broken?

Were we wrong to think that recycling was the answer to our waste problem?

• 23 mins

Could India鈥檚 Muslims become second class citizens?

Could a new law in India be a step towards making Muslims second class citizens?

• 23 mins

Will a pandemic ever kill millions again?

Global health pandemics have killed millions in the past. Could one do so again?

• 23 mins

Why are trade deals so hard to do?

As Britain tries to negotiate multiple trade deals, why do they take so long?

• 23 mins

Why don鈥檛 we care about facts?

We believe facts if we want to, but dismiss them if we don鈥檛 like them. Why?

• 23 mins

Have our climate models been wrong?

Climate models are vital but have some concentrated too much on extreme scenarios?

• 23 mins

How China turned the tide with coronavirus

China鈥檚 infection rate for coronavirus has dropped dramatically. What did they do?

• 23 mins

Why did the USA fail in its initial coronavirus response?

'It鈥檚 a failing, let's admit it鈥� says top US health official, Dr Anthony Fauci. Why?

• 23 mins

Coronavirus: What can the world learn from South Korea?

Without a lockdown, South Korea has had great success against Covid-19. How?

• 23 mins

Why is it taking so long to develop a Covid-19 vaccine?

The race is on for the world鈥檚 scientists to develop an effective Covid-19 vaccine

• 23 mins