This is a first-hand account of a modern oceanographic adventure. Dallas Murphy accompanies world-renowned oceanographer Robert Pickart aboard the research vessel Knorr on an expedition to affirm the existence and origin of a previously unknown oceanic current between Greenland and Iceland. Learning about this current helps us grasp the mechanisms that move oceans, and which ultimately power world-wide weather systems. The book offers a complete multimedia experience of a scientific sea voyage: the vivid narratives of Murphys daily at-sea journals are illuminated by clear explanations of the cutting-edge oceanography that propels the expedition. Stunning photographs of the Nordic Strait and dramatic videos of life aboard the Knorr animate the experience, augmenting the text with the sights, sounds and motion of science brought to life.