91热爆

How Did Governments Lose Control of Encryption?

Spies, hippies, jihadis and the ongoing conflict over the power to keep secrets.

• 23 mins

Why Are Wages So Low?

Pay packets in developed economies have hardly grown in decades.

• 23 mins

What Would it Take to Put a Human on Mars?

Nasa is planning a manned mission to Mars. But the challenges are enormous

• 23 mins

Can we Quake-Proof a City?

Earthquakes have killed a million people in the last two decades

• 23 mins

Why Do Mexicans Drink So Much Soda?

Mexicans are among the world鈥檚 biggest soda consumers, and it鈥檚 affecting their health

• 23 mins

What Happened To Al-Qaeda?

Charting the fortunes of the group that once led the global jihadist movement

• 23 mins

Do We Have Enough Genders?

Gender identity is considered more fluid than ever

• 23 mins

What Kind of Person Becomes a Violent Jihadi?

The search for a 'terrorist type' and understanding people who kill for their beliefs

• 23 mins

Should We Give 91热爆less People 91热爆s?

How the city of Medicine Hat in Canada, gave every person living in the streets a home

• 23 mins

What Happened to the European Dream?

The search for the vision that inspired the European project's founders

• 23 mins

What's Killing White American Women?

The mysterious case of rising death rates in the world's richest country

• 23 mins

How will Virtual Reality Change our Lives?

VR is finally a reality, and could affect everything from gaming to psychology

• 23 mins

Would A New International Convention Help Refugees?

The case for rethinking the 1951 UN Refugee Convention to deal with today's crisis

• 23 mins

Are we Fighting Cancer the Right Way?

The World Health Organisation says cancer rates around the world are rising fast

• 49 mins

Why Can't Egypt Stop FGM?

FGM is more common in Egypt than anywhere else in the world

• 23 mins

Are We Really About to End World Poverty?

The UN thinks ending extreme poverty is within our grasp

• 23 mins

Why Do So Many People Dislike Hillary?

How the US presidential frontrunner got to be so unpopular

• 23 mins

Can the EU Survive?

The fate of the European Union without Britain

• 23 mins

Can You Make Bankers Behave Better?

Exploring how individual bankers might be nudged into better and safer choices

• 23 mins

Can Trump Win?

Evaluating Donald Trump鈥檚 chances of taking the White House

• 23 mins

Is Brexit Inevitable?

Britain鈥檚 PM says 鈥淏rexit means Brexit鈥�. But some have suggested it might never happen

• 23 mins

Can Colombia Reintegrate the Farc?

How to bring thousands of jungle fighters into society after 50 years of conflict

• 23 mins

How Did we Save the Ozone Layer?

How scientists, campaigners, business and government came together to avert disaster

• 23 mins

Has Russia Won In Ukraine?

President Putin鈥檚 short term gains may come at a cost

• 23 mins

Why Don鈥檛 Cities Want The Olympics?

The number of cities bidding to host the Olympic Games is falling

• 23 mins

Would Donald Trump Be a Dangerous President?

Fifty US security officials have said Trump 鈥渨ould be a dangerous president鈥�

• 23 mins

Is Retirement Over?

People are living longer, but not saving enough for their old age.

• 23 mins

Can Coral Reefs Survive?

As sea temperatures rise, coral reefs are in decline

• 23 mins

What鈥檚 the Point of Lotteries?

National lotteries exist all over the world. What are they for?

• 23 mins

Who Wins in a Cashless Economy?

The trend away from cash is gathering momentum across the world

• 23 mins