Shetland has been hit by at least two more tsunamis in the past 10,000 years than previously thought, and scientists are working to identify where the giant waves originated.

Dr Nicola Masey has found that a new system can accurately model air quality in large cities like London in minutes, within five metres of any given location using just a standard office computer.

With a death toll of more than 250,000 people, the Boxing Day tsunami of 2004 was one of the most devastating disasters of recent history.

Mapping the seabed off the northeast coast of the UK to help find the best site for future offshore wind energy developments.

When you open up the mapping app on your smartphone, a little blue dot appears showing where you are. Out one side, a little shadow shows which way you're facing. Type in your destination and it leads the way. It knows if you pause and it knows when to tell you to turn.

Shetland's wild, rugged landscape has long fascinated scientists, but for one British Geological Survey marine geologist, it's the seabed around the islands that have ignited his interest.

The Centre for Ecology & Hydrology has used the latest satellite technology to launch new digital maps showing the differences of the UK countryside. The maps show the UK's most built-up, most wooded and most farmed counties.

Take a look at some of the amazing techniques scientists use to follow nature's clues.