Science Highlights South for the Winter The New Jason: Better, Faster, Deeper Learning What Whales Hear   Seasons in the Deep Ocean Genomic Studies River Chemistry and Geologic Clock   From the Seafloor to Capitol Hill A Climate Canary in the Coal Mine Float Data Reveal Complex Circulation   Exploring the Boundary of Sea and Sky Rethinking Subduction Zones Rosebud Succeeds Rose Garden     Oil Spill Effects can Persist for Decades