Bacteria making electricity? Nets catching fog? These are two gadgets scientists have devised to create or conserve precious fresh water.
Videos
Wonder materials: Q&A with Dr Mark Miodownik
13 February, 2012
Self-healing concrete? Really? Yes, really! Watch Mark Miodownik explain how.
Panda Wars
12 February, 2012
With millions of dollars spent on their survival, are pandas really worth it? Elements investigates.
All in our minds: Q&A with Prof Bruce Hood
6 February, 2012
Just days after delivering the Royal Institution Christmas lectures, Prof Hood speaks about his research.
The physics of cancer: Q&A with Prof Jim Al-Khalili
30 January, 2012
Jim Al-Khalili explains how quantum physicists and biologists are working together to understand cancer.