Britain has a new highest mountain after new data showed measurements from old overland surveys were inaccurate. It was thought until this point that Mount Jackson was the tallest mountain in the British Antarctic Territory at 3,184m above sea level. However, new satellite data by British Antarctic Survey (BAS) shows Mount Hope is the tallest mountain, at 3,239m.
Antarctic krill are usually less than 6 cm in length, but their size belies the major role they play in sustaining much of the life in the Southern Ocean. They are the primary food source for many species of whales, seals, penguins and fish.