Eels, however, swim out to the Sargasso Sea, in the North Atlantic, to reproduce.

BBC: River ladders give eels a leg up

Indeed, some of the strongest emissions come from algal species found in warm, often windless waters such as the Sargasso Sea.

ECONOMIST: Aerobiology

But I also remember the jolt of wonder and delight I felt years ago reading Jean Rhys's novel, "Wide Sargasso Sea, " when I realized that Antoinette Cosway, the main character, was the girl who would one day marry Mr. Rochester and go mad in his attic at Thornfield.

WSJ: The Fine Points of Fan Fiction, from 'Fifty Shades' to 'Lavinia' | Dear Book Lover