Lapointe is talking about a floating seaweed known as sargassum in a region of the Atlantic called the Sargasso Sea. The boundaries of this sea are vague, defined not by landmasses but by five ...

as sargassum is a natural phenomenon, and it is only bound to get worse as sea temperatures rise: according to authorities, there is a shocking 600 tons of seaweed currently floating off the coast.

When Dr. Dennis McGillicuddy fished with his grandfather in the waters off the coast of Miami, he said they looked for sargassum–because seaweed was a sign of life.  “Our objective was to find ...