http://www.newsweek.com/giant-seaweed-blob-rotten-eggs-florida-beaches-1788244

A huge 5,000-mile-wide blob of seaweed with a rotten eggs smell is floating in the Atlantic and bound to stink up Florida's beaches, a geoscientist and coastal ecologist says, and is a "huge problem."

The seaweed, which is known as sargassum, is not just a nuisance to clear up.