Now you see it, now you don't. According to news reports last week, the plume of oil in the depths of the Gulf of Mexico is no more. But just days earlier, the subsurface plume had been proclaimed a long-lived menace.rnThe baffling stories about the fateful Deep-water Horizon plume spring from two studies, published in Science1'2 last month, which have sparked debate among scientists, along with calls for better communication between those studying the spill.
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