Could we have entirely clean energy in five years?

When will we have electricity-producing windows?

By birds or mosquitoes? West Nile Virus spread examined

Is Doha dead? The need for long-term thinking on critical global challenges

Are extreme weather events going to increase?

How do you deal with uncertainty in climate models?

Can nanotechnology help cure cancer?

Why is partnership so important to global health?

How is IT changing the role of a medical doctor?

How can healthcare reach the world's poor?

What will buildings of the future look like?

What will be the pros and cons of city life in the future?

What can the world's forests teach us about climate change?

How can we deal with the challenge of 'data overload'?

Why do we need 'citizen science'?