Dr Chris and Dr Xand van Tulleken bring you the top experts on the planet to show you more things that will blow your mind! The 'wave team' of scientists brave the bears to place sensors to discover how wave movement affects the iceberg. Chris and Andy Torbet undertake an experiment to see how the body reacts to freezing cold water. Suddenly, a massive piece of the berg starts to break off and the team have to evacuate quickly. Show less