Professor Martin Siegart from Bristol University is leading a team who are about to drill through 3km of solid ice into subglacial Lake Ellsworth in Antarctica. Their mission is to search for life forms in the water and clues to past climate in the lake-bed sediments.
More top news
Bristol West MP says pubs in parts of the city have closed as a result of the arrival of Somali immigrants
Our political reporter Bob Constantine gives his view on George Osborne and David Cameron's visit to the West.
Residents living near the Somerset Levels are positive the dredging of 150,000 cubic metres will prevent any serious flooding