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Elements: Boron

The mineral from the Wild West that toughens glass and stops bullets in their tracks

• 18 mins

Biofuels and the Price of Climate Change

Brazil's struggling biofuels, pricing carbon emissions, and Live8 10 years on.

• 18 mins

Why Does Germany Take the Lead on Greece?

Greece crisis talks, behaviorist economics, and is motherhood a real job?

• 18 mins

Iceland: Lessons for Greece?

What advice would Iceland's Prime Minister Sigmundur David Gunnlaugsson give to Athens?

• 18 mins

Elements: Copper Materials

The distinctive red metal that's key to whisky distillation and kills hospital super-bugs

• 18 mins

Greece Debt Deadline Looms

Greece latest; the view from Germany; Paris Air Show

• 18 mins

How to Power Africa

South Africa's power crisis, and why the whole continent needs answers.

• 18 mins

Greeks Rage Ahead of Brussels Showdown

Greek protesters, economy minister Georgios Stathakis and a Brussels view

• 18 mins

Greece Deal... or No Deal?

Is a Greek deal imminent? Are more cuts and higher taxes a basis for recovery?

• 18 mins

Elements: Copper Electrification

Why copper wires? And do solar power and batteries herald the death of the old AC grid?

• 18 mins

Harnessing the Sea

Wave energy, mining the seabed, ocean-going robots

• 18 mins

Greece: Is This It?

The clock is ticking on Greece's IMF loan. Is this a defining moment in the debt crisis?

• 18 mins

Greece: Has Grexit Begun?

Banks shut, fearful citizens, and dwindling hopes of a deal. Is Grexit now inevitable?

• 18 mins

Greece: Has Grexit Begun?

Banks shut, fearful citizens, and dwindling hopes of a deal. Is Grexit now inevitable?

• 15 mins

Greece Default Day?

Greece default on IMF debt looms. And, why China's stocks are tumbling

• 18 mins

Millennium Development Goals for Girls

Gender equality - or lack of - in schools in Malawi

• 18 mins

Millennium Development Goals: Child Mortality

Why the world has struggled to meet its goal of cutting child mortality by two-thirds

• 18 mins

Greece: Fracturing Europe's Identity?

Should Greece temporarily Grexit, Europe's broken identity and the UN MDG poverty target.

• 18 mins

Greece Votes No to Austerity

Greek reaction, the ECB's choices, and a German MP saying Grexit is now inevitable

• 18 mins

Greece: Reaction To Eurozone Bail-Out Deal

Reaction from both sides to the latest eurozone bail-out deal for Greece

• 15 mins

Greece: Currency Controls Begin to Bite

Greek shops feel the pinch, a Nobel laureate on the crisis. And Live8, 10 years on.

• 18 mins

Greece: The Final Final Deadline?

Decision day set for Greece, China shares tumble further, and "disappearable" technology.

• 18 mins

Productivity: Where are the Fruits of our Labour?

Why has productivity growth in OECD countries - the rich world - been so sluggish?

• 18 mins

A Way Through For Greece?

Greece backs down on demands for leniency from creditors in its latest bid for funding.

• 18 mins

Greece: Live Reaction to Eurozone Bailout Deal

Live reaction from both sides to the latest eurozone bailout deal for Greece

• 18 mins

UN Development Goals: Who Pays?

A UN development summit in Ethiopia, German anger at Greece, and Srebrenica 20 years on

• 18 mins

Greece: IMF Rocks the Boat

A leaked IMF report calls Greek debts unsustainable

• 18 mins

UN Boasts Historic Cash Deal for the Poor

A UN Conference declares a deal on development. Greek politicians say yes to bailout.

• 18 mins

Cybercrime: One of the Biggest Ever

Who was behind this month's massive US data breach? How do we fix our digital locks?

• 18 mins

Portugal: Where Have all the Young People Gone?

The exodus of young, skilled workers from Portugal since the eurozone crisis

• 18 mins