Mesoscale ocean eddies transport nutrients and energy-rich lipids, helping sustain marine ecosystems far from coasts.

When rifting is successful, the new ocean basin gets wider and wider. New ocean floor is generated at the diverging boundary, and the edges of the now-split continents get farther apart. The now fully ...

including some that flow toward the western sides of the ocean basins. The currents hug the eastern coasts of continents as they head north or south from the equator: These are the western ...