diana nyad|Georges Seurat|Gulf Stream|Jose Cortinas|NASA|penny palfrey|Starry Night|Sunday afternoon on the island of La Grande-Jatte|Vincent Van Gogh

What NASA sees from above, open water swimmers experience first-hand every day. These animations based on data from NASA satellites on the left show ocean surface currents between 2005 and 2007. The movement of water as seen from above is fascinating to behold. The macro level is magnificent. And ocean swimmers feel this movement of…