From oil to chemicals

29 October 2014 Premium content

After decades of exporting oil, Saudi Arabia is looking to increase its capacity to produce chemicals. Emma Davies reports

Harvesting heat

27 October 2014 Premium content

Philip Ball looks at the materials that harness waste heat and turn it into useful energy

Microbial miners

24 October 2014 Premium content

Jon Evans discovers the microbes hard at work on our behalf, extracting valuable metals from low-grade ore

The resolution revolution

23 October 2014  

Super-resolution fluorescence microscopy earned three of its creators a Nobel prize this year. Emma Stoye focuses in on their story

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