Amy Bower wanted to investigate an elusive and unpredictable phenomenon in a remote ocean. Off the west coast of Greenland, large, spinning rings of warm water, called eddies, occasionally form in the ocean, like dust…
The ocean is so enormous, even a fleet of 2,338 ocean-monitoring instruments can sail into it and go largely unnoticed. That’s what floats 312 and 393 were doing until something extraordinary happened: People found them….